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Bone & Joint 360
Vol. 2, Issue 5 | Pages 43 - 44
1 Oct 2013
Grimer RJ


Bone & Joint 360
Vol. 1, Issue 3 | Pages 5 - 6
1 Jun 2012
Grimer RJ Jeys LM

Amputation was once widely practised for primary bone tumours of the limbs. Yet this situation has changed with limb salvage surgery becoming increasingly popular in the last 30 years. Many different techniques are now available. These include allografts, autografts, endoprostheses and allograft-prosthesis composites. This article reviews these methods, concentrating on the functional outcomes and complications that have been reported.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XIV | Pages 6 - 6
1 Apr 2012
Malhas A Grimer RJ Carter S Tillman R Abudu A Jeys L
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Since1986 we have monitored the actual diagnosis of all cases referred to our Unit with the diagnosis of ‘possible primary malignant bone tumour’. We have excluded all patients referred with a known diagnosis of either a benign condition or known to have bone metastases. In most cases the suspected diagnosis was based on X-rays alone, sometimes supported by further imaging.

Method

Retrospective review of a prospective database that was started in 1986 identifying the actual diagnosis.

Results

There were 5922 patients with a confirmed diagnosis over the 23 year time period of this study. 2205 (37%) were found to have a primary malignant bone sarcoma and 1309 (22%) had a benign bone tumour. 992 patients had a general orthopaedic condition (e.g. geode or a vascular necrosis) whilst 303 (5%) had a haematological malignancy and 289 (4.9%) infection. 533 patients (9%) had metastases. There was a similar pattern of frequency of all diagnoses except for metastatic disease and haematologic malignancy at different ages. The incidence of metastases increased from the age of 35 onwards


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 81 - 82
1 Jan 2011
Bateman MW Smith BJ Grimer RJ
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Introduction: Postoperative infection rates following endoprosthetic surgery are currently around 11%. In comparison with routine orthopaedic infection rates (0.5–2.0%) this is high and warrants investigation. Antibiotic prophylaxis at the time of surgery has been proven to reduce postoperative infection rates. We are looking to see if this is being administered correctly.

Methods: We sought the records of 183 patients undergoing primary EPRs at the ROH within an 18 month period. We were unable to locate 57 (69%) leaving 126 to analyse. We recorded details of the surgeon conducting the operation, the perioperative antibiotics administered, and whether the patient developed a SSI postoperatively. We grouped the patients into three groups, those who received the correct regime as defined by the department (1.5g Cefuroxime at induction followed by 3 doses of 750mg Cefuroxime at 8, 16 and 24 hours post-op), those who received cefuroxime but in an incorrect regime and those not receiving cefuroxime. We further looked at the frequency individual surgeons were administering the correct antibiotics. Finally we applied a Chi-squared anaylsis to see if there was a significant difference in infection rates between those receiving the correct antibiotics and those not.

Results: 52 patients (41%) received cefuroxime in the correct regime, 27 (22%) received cefuroxime in an incorrect regime and 47 patients (37%) did not receive cefuroxime. The different surgeons at the hospital administered the correct regime in varying frequencies (0%–65%). Giving the correct antibiotic dose is associated with a reduction in the incidence of postoperative SSI (0.1> p> 0.05).

Discussion: A large proportion of EPRs are carried out without the recommended prophylactic antibiotic cover. The rate of correct antibiotic administration varies widely between surgeons from the same department. This lack of appropriate prescribing could be contributing to a high rate of postoperative infection and therefore needs addressing.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 77 - 78
1 Jan 2011
Chandrasekar CR Grimer RJ Carter SR Tillman RM Abudu AT Jeys LM
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Background: And Aims Pathological fractures of the proximal femur due to primary bone sarcomas are difficult to treat. The aim of the study was to assess the factors determining the outcomes following pathological fractures of the proximal femur due to primary bone sarcomas.

Methods: 93 patients with a pathological fracture of the proximal femur due to primary bone sarcomas were studied. The patient, tumour and treatment factors in relation to overall survival were analysed.

Results: There were 55 male and 38 female patients. The mean age was 47 years. The diagnoses were Chondrosarcoma -34, Osteosarcoma – 21, spindle cell sarcoma – 25, Ewing’s sarcoma -13. 74 patients had a pathological fracture at diagnosis and 19 patients had a fracture after the diagnosis. 17 patients had metastases at diagnosis. 24 patients had an intracapsular fracture. Limb salvage was possible in 60 patients (65%), 18 patients had an amputation and 15 patients had palliative treatment. 27% of the patients were referred after an unplanned surgery. The mean follow up was 49 months [range 0–302]. Twenty one patients [23%] had a local recurrence -10 patients had a diagnosis of chondrosarcoma, four patients had osteosarcoma and seven had spindle cell sarcoma. The overall five years survival was 37% [Ewing’s sarcoma 60%, Chondrosarcoma 57%, spindle cell sarcoma 28%, osteosarcoma 13% and dedifferentiated Chondrosarcoma 0% (p-0.002)]. Metastasis at diagnosis was a significant factor (p-0.04) affecting survival.

Conclusion: We conclude that a pathological fracture of the proximal femur due to osteosarcoma and dedifferentiated chondrosarcoma. carry a poor prognosis.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 78 - 78
1 Jan 2011
Pakos EE Grimer RJ Carter SR Tillman RM Abudu A Jeys L Peake D Spooner D Sumathi VP Kindblom LG
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Of 3000 patients diagnosed with primary malignant bone tumours and treated at our unit over the past 25 years, 234 (7.8%) were considered to be spindle cell sarcomas of bone (ie not osteosarcoma, chondrosarcoma, Ewing’s, chordoma or adamantinoma). We have analyzed their management and outcomes.

The diagnosis of these cases varied with fluctuations in the popularity of conditions such as MFH, fibrosarcoma and leiomyosarcoma with the passage of time. Treatment was with chemotherapy and surgery whenever possible. 36 patients had metastases at diagnosis and 17 had palliative treatment only because of age or infirmity. The most common site was the femur followed by the tibia, pelvis and humerus. The mean age was 45 and the mean tumour size 10.2cm at diagnosis. 25% of patients presented with a pathological fracture. Chemotherapy was used in 70% of patients the most common regime being cisplatin and doxorubicin. 35% of patients having neoadjuvant chemotherapy had a good (> 90% necrosis) response. The amputation rate was 22% and was higher in patients presenting with a fracture and in older patients not having chemotherapy.

With a mean follow up of 8 years the overall survival was 64% at 5 yrs and 58% at 10 yrs. Adverse prognostic factors included the need for amputation, older age and poor response to chemotherapy as well as a pathological fracture at presentation. The few patients with angiosarcoma fared badly but there was no difference in outcomes between patients with other diagnoses.

We conclude that patients with spindle cell sarcomas should be treated similarly to patients with osteosarcoma and can expect comparable outcomes. The histological diagnosis does not appear to predict behaviour.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 80 - 80
1 Jan 2011
Taylor W Grimer RJ Carter SR Tillman RM Abudu A Jeys L
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The two week wait has been established as a potential means of diagnosing malignant tumors earlier and thus hopefully leading to improvements in outcome. There remains controversy as to whether these clinic achieve this end or whether they just speed up treatment of patients already diagnosed (eg by imaging)

Aim: The aim of this study is to evaluate the diagnoses of all patient referred with a suspicious soft tissue lump to a two week wait clinic, to assess the diagnostic ‘hit rate’ and how many of these had already had imaging leading to a possible diagnosis of malignancy.

Method: Review of the diagnoses and referral criteria for all patients referred to a soft tissue sarcoma early diagnosis clinic.

Results: ** patients were referred under the 2 week wait criteria with a possible soft tissue sarcoma. ** (**%) turned out to have a malignant diagnosis. Of these, *8 were STS, ** were other soft tissue malignancies and ** were bone malignancices (** being….) Of the patients with a malignant diagnosis, only ** were referred directly to this hospital as a two week wait without previous investigation. Of the remainder *8 had undergone imag-9ing prior to referral leading to a suspicion of malignancy and ** were referred after investigation at another hospital. The average size of STS diagnosed after 2 week wait referral was ** which compared with **cm in those not referred via this route over the same time period.

Conclusion: Patients referred to a soft tissue 2 week wait clinic had a **% risk of malignancy. Of these, ** were new diagnoses suspected purely on clinical as opposed to imaging grounds.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 75 - 75
1 Jan 2011
Fisher NE Grimer RJ Jeys L Abudu A Carter S
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Endoprosthetic replacement of the pelvis is one of the most challenging types of limb salvage surgery with a high rate of complications. In order to try and decrease the high risk of complications and to allow greater versatility in the reconstruction options, a new concept of pelvic endoprosthesis was developed in 2003. Since then 20 of these ice cream cone pelvic prostheses have been inserted at our centre incorporating antibiotic laden cement around the prosthesis to minimize infection risk.

Aim: To review the outcomes of the ice cream cone prostheses and to learn lessons from this.

Method: retrospective review of records and Xrays of patients having an ice cream cone type prosthesis at our centre.

Results: 20 ice cream cone prostheses were inserted in the past 5 years. Six of the implants were inserted following failure of a previous pelvic reconstruction (one for hydatid disease, one following a excision arthroplasty for chondrosarcoma, three following failed pelvic EPRs). Of the primary tumours, there were 9 chondrosarcomas, 2 Ewings, one each of osteosarcoma, epithelioid sarcoma and GCT. All of the patients had at the least had a P2+P3 resection with most having resection of the ilium above the sciatic notch. The average age of patients at operation was 50.5yrs [range 13–81yrs]. Ten patients (50%) had one or more complication following surgery, of which dislocation was the most common, affecting 5 patients (25%), of whom two have permanent dislocations. Four patients (20%) developed a deep infection of the prosthesis but all had this controlled with early intervention. Two patients (15%) developed a local recurrence, both at the time of widespread metastases. Only one patient has had the prosthesis removed, for severe pain. There were six deaths, four due to metastatic disease and two from cardiovascular complications. The complication was significantly lower for Surgeon A (who did 15 of the 20 procedures).

Conclusion: This method of treatment is still associated with high morbidity but early results are promising. Complications are much lower with increasing experience.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 79 - 79
1 Jan 2011
Chandrasekar CR Grimer RJ Carter SR Tillman RM Abudu AT Jeys LM
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Introduction: Malignant tumours of the foot and ankle are rare. The aim of the study was to document one of the largest series of malignant tumours affecting the foot and ankle and to assess the outcomes following limb salvage and amputation.

Methods: The study was a retrospective review of the patients with a malignant tumour of the foot and ankle. Demographic details, diagnosis, treatment and outcomes were retrieved from the electronic patient records containing information on over 20 000 patients seen over a 25 year period.

Results: Two hundred and twenty five patients had malignant tumours affecting the foot and ankle. It was common in the fifth decade (35 patients). The mean age was 46 years. The commonest diagnosis was synovial sarcoma (40 patients) followed by chondrosarcoma (23 patients) and Ewing’s sarcoma (21 patients). The mean tumour size was 5.6 cm (0.8 to 17.5 cm). 82 patients (37%) underwent an unplanned excision and 13% (29 patients) presented with metastases at diagnosis. Primary bone tumours were 28% (64 patients), soft tissue sarcomas were 62% and metastatic tumours were 8% while lymphoreticular malignancies were (1%). Limb salvage was possible in 71% (156 patients). 29% (65 patients) had a below knee amputation. 7% (15 patients) had a local recurrence. The 5 years survival was 63%. The 5 years survival for the patients who had limb salvage was 68% compared with 54% for the patients who had an amputation (p 0.03).

Conclusion: Though amputation can provide better local control, limb salvage surgery improves survival.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 81 - 81
1 Jan 2011
Menna C Grimer RJ Carter SR Tillman RM Abudu A Jeys L
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Low grade central osteosarcoma is a rare intramedullary bone producing tumour. It accounts for only 1–2% of all osteosarcomas. Due to the indolent nature of low grade central osteosarcoma, achieving a correct and prompt diagnosis is the real challenge both from imaging and histology, particularly as it may resemble a benign condition, i.e. Fibrous Dysplasia.

We have reviewed 15 cases of low grade central osteosarcoma with long term follow-up (2 to 22 years) to identify problems in diagnosis and treatment and to assess outcome.

There were 7 females and 8 males with a mean age of 37 yrs (range 11 to 72 years); 13 cases arose in the lower limb (8 femur, 4 tibia, 1 os calcis), 1 in the pelvis and 1 in the upper limb. The average duration of symptoms prior to presentation was over 2yrs. A primary diagnosis of low grade central osteosarcoma was achieved for only 6 cases (4 open and 2 needle biopsies), in the other 9 the primary diagnoses were GCT, cystic lesion or fibrous lesion (both benign and malignant) and all of them had undergone treatment (usually curettage with or without bone grafting for this). Definitive treatment was with surgery attempting to obtain wide margins. Marginal excision was associated with local recurrence in three cases but there were no local recurrences in patients who had a wide excision, even in those with prior treatment. Only one patient has died following the development of multiple metastases after 9 years. The survival rate is 90% at 15 years.

We present this study to show the difficulties in diagnosing this rare type of osteosarcoma and to highlight the importance of wide surgical margins to obtain local control.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 76 - 76
1 Jan 2011
Grimer RJ Carter SR Tillman RM Abudu A Jeys L Unwin P
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Aim: To investigate the effectiveness of silver coated titanium prostheses in preventing periprosthetic infection in a group of very high risk patients.

Methods: Periprosthetic infection is one of the main problems in limb salvage surgery, especially for tibial and pelvic prostheses or following revision surgery, particularly if it has been done for a previous infection. We have used silver coated prostheses in 21 cases on a named patient basis and have now assessed the results.

Results: Between July 2006 and June 2008 21 patients had a silver coated prosthesis inserted. 11 patients were having a second stage revision after a previous infection, 6 were having a pelvic prosthesis inserted, 3 were having a primary tibial replacement and one a one stage proximal tibial revision. Three patients developed a postoperative infection, two of the pelvic replacements and one infected revision (a total femur replacement). Of these only one patient required removal of the prosthesis (for overwhelming coliform infection in a pelvic replacement) whilst the other two infections both settled with antibiotics and washout.

Discussion: The anticipated risk of infection in this high risk group would have been around 20%. The actual infection rate was 14% but two of the infections completely resolved with relatively modest treatment. This suggests that the silver coating may not only have a role in preventing infection but also enhancing control of infection should it arise. There were no other side effects and we believe that these preliminary results are encouraging and should lead to a further evaluation of silver for preventing infection around prostheses.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 78 - 78
1 Jan 2011
Zaikova O Grimer RJ Kindblom LG Abudu AT Tillman RM Jeys L Carter SR
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Introduction: Parosteal osteosarcoma is a rare, mostly low grade tumor arising from the surface of the bone. The aim of the study was to establish risk factors for local recurrence (LR) and death.

Method: Retrospective review of a prospectively collected database with complete up-to-date follow up.

Results: 63 patients were diagnosed and treated at our centre from 1978 to 2007. The most common site was the femur (37) followed by the tibia (10) and humerus (9). The median size was 7cm (2 – 16). At the time of diagnosis 27 (43%) were low grade, 13 (21%) were low grade but had invaded the medullary canal and 8 (13%) had a high grade component; the data was missing in 15 patients (24%). All patients were operated.

LR arose in 11 patients (17.5%) at a mean of 38 months and was related to surgical margins. There were no LR in the 26 wide resections, but the risk of LR was 20% in those with a marginal and 46% in those with an intralesional excision. LR appeared as a higher grade than the primary tumor in 3 patients (27%).

9 (14.3%) patients developed metastases at a median of 22 months (6 – 123). Five patients developed both LR and metastases. Seven patients died from the tumor, 2 patients are alive with metastatic disease.

None of the patients with a low grade tumor and wide or marginal margins died of tumor, but 2 patients (18%) operated intralesional died of tumor.

Discussion: There was a statistically significant relationship between surgical margins and LR (p< 0.001). All patients with low grade parosteal osteosarcoma operated with wide margins have been cured. LR appeared often in higher grade than the primary tumor. Patients with low grade tumor and intralesional margins had 18% risk to tumor-ralated death.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 76 - 76
1 Jan 2011
Sinnaeve F Grimer RJ Carter SR Tillman RM Abudu A Jeys L
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Aim: To review our experience of managing patients with aneurysmal bone cysts (ABC)

Method: We reviewed the medical records and radiographs of all patienst with aneurismal bone cyst treated at our unit over a 25 year period. During that time the policy of the unit was to treat ABCs with biopsy/curettage without use of adjuvants or bone grafting. Patients were followed up with regular Xrays until healing had taken place. Local recurrences were again treated with curettage, occasionally supplemented with embolisation or bone grafting.

Results: 237 patients (128 female, 109 male), with a median age of 14 yrs (range 1 to 76) received treatment. The cyst size varied from 1 to 20 cm and the median duration of symptoms was 16 weeks (range 0 to 8 yrs). The most common sites were the tibia (55) followed by the femur (41) then the pelvis (29) and humerus (27). 35 (15%) of the patients presented with a pathological fracture. Primary treatment was by curettage alone in 195, curettage and bone grafting in 7, aspiration and injection of steroids or bone marrow in 7, excision in 5 and observation alone in 17. The rate of local recurrence requiring further surgery was 12% with all local recurrences (bar one) arising within 18 months. Local recurrence was not related to site, age, sex or whether the patient had previous treatment or not. Local recurrences were managed with curettage alone in 19 of the 23 cases, with one having embolisation, one excision and 2 curettage and bone grafting. This was successful in all but 3 cases who were controlled with a third procedure.

Conclusion: The local control rate of ABCs with simple curettage is 88% which is as good as those published for any other technique. We recommend biopsy in all cases and limited curettage at the same time, many ABCs will heal with this simple procedure. Full curettage is needed for those showing no signs of healing within 4 weeks. Local recurrence is very unusual after 18 months.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_III | Pages 433 - 433
1 Jul 2010
Pradhan A Grimer RJ Abudu A Tillman RM Carter SR Jeys L
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Ewing’s sarcoma principally arises in bone but can also present as a soft tissue tumour. Very few studies have assessed the outcomes of extra-skeletal Ewing’s sarcomas. This study compares the oncological outcomes of the two forms of Ewing’s sarcomas to see if there is any difference in prognostic factors.

198 patients with primary, non metastatic Ewing’s sarcoma diagnosed between 1980 and 2005 were identified from our database. There were 118 males and 80 females with a median age of 15 years. The three most common sites of diagnosis were the femur (24%), pelvis (15%) and tibia (13%). There were 169(85%) bony Ewing’s and 29 (15%) extra-skeletal Ewing’s sarcomas. All patients received chemotherapy. 86% of the patients had surgery for local control but 28(14%) patients had radiotherapy.

The overall survival at five years was 89% and was related to the age of patient (92% < 16years p=0.005), size (p=0.03) and site of tumour (p=0.004) as well as the response to chemotherapy. There was no difference in the overall survival of patients with bony Ewing’s (90%) and extra-skeletal Ewing’s (85%) (p=0.85). There was a 10% risk of local recurrence at 5 years with site of tumour (p=0.01) and surgical excision (p=0.05) being significant prognostic factors. The risk of local recurrence was also not related to the type of Ewing’s sarcoma.

This large series has shown that the oncological outcomes of Ewing’s sarcoma is related to tumour characteristics, patient age and treatment factors and not determined by the tissue component.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 68 - 68
1 Mar 2010
Abed R Grimer RJ Abudu A Carter SR Jeys L Tillman RM
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Aim: To identify the clinical features of patients who present with soft tissue metastases (from a cancer elsewhere) and to identify the source of the cancer.

Method: In a database containing details of 7242 patients referred to our unit for investigation of a soft tissue lump, only 100 of these patients were found to have a soft tissue metastasis (1.4%). We analysed their presenting features and identified the site of the primary malignancy.

Results: The most common presentation of soft tissue metastases was a painless lump The lumps ranging from 2 to 35 cm (mean 8.3cm) with 78% of the lumps located deep to the fascia. The mean age at presentation was 62 and there were equal males and females. 53 had a past history of malignancy. Of these 53, 52 had metastases from the same primary (lung 11, melanoma 10, kidney 9, GI tract 4, breast 6, bladder 4 and others in 9). The other 47 patients had no past history of malignancy and the metastasis was the first presentation of malignancy. The primary sites in these cases were: lung in 19, GI tract 4, kidney 2, melanoma 9, other 3 and unknown (despite investigations) in 10. There was no correlation of the site of the metastases with the primary tumour.

Of the 7242 patients with soft tissue lumps, 476 had a past history of malignancy. Of these patients, only 12% actually had a soft tissue metastasis while 28% had a benign diagnosis, 55% a soft tissue sarcoma and 5% other malignancy.

Conclusion: Patients with a past medical history of malignancy and a new soft tissue lump have a 12% chance of it being a soft tissue metastasis. If a lump proves to be a soft tissue metasasis, the lung is the most common primary site.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 403 - 403
1 Jul 2008
Kalra S Grimer RJ Carter SR Tillman RM Abudu A
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Introduction: The population of the UK is getting older. Patients over the age of 80 (the older old) are increasingly presenting with musculoskeletal tumours that require major surgery. We have investigated the success or otherwise of endoprosthetic replacements after tumour excision in this population.

Methods: We looked at an oncological database to identify patients over the age of 80 who had an endprosthetic replacement after tumour excision. We reviewed the records of all patients over the age of 80 who had an endoprosthetic replacement to assess the oncological and functional outcomes of the procedure.

Results: 17 patients over the age of 80 had an endoprosthesis over the past 10 years. The main indication was for metastatic disease (9 patients) but 6 had primary malignant bone tumours. The most common site was the distal femur in 9 followed by the proximal femur in 5. Most of the patients had associated co-morbidity (12 were ASA 2 or 3). There were no perioperative deaths but 2 patients had early complications with one having a paralytic ileus and one a chest infection. The median survival of the patients was 2 years with death being due to progressive metastases in most. 3 had late complications to do with the prosthesis including one infection in a proximal tibial replacement and a late dislocation at 2 years in a proximal femoral replacement. Two patients developed local recurrence treated by local excision and radiotherapy. There were no amputations or revisions.

Conclusions: Endoprosthetic replacements have a useful role to play in the surgical management of elderly patients. Although they have significant comorbidity most do well. Functional results are less good than in the younger population but most patients regain their independence and are free of pain.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 112 - 112
1 Feb 2003
Ayoub K Abudu A Grimer RJ Carter SR Tillman RM Unwin P
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Our centre has used a specially designed custom-made endoprostheses with curved stems to reconstruct femoral defects in patients with residual short proximal femur after excision of primary bone sarcoma over the last 18 years. Two designs of endoprostheses with curved intramedullary stems were used: the rhinohorn stem type and the bifid stem type. We report the safety, survival and functional outcome of this form of reconstruction.

Twenty six patients who had these special endoprosthesis reconstruction were studied. The median age was 16 years (range 7 to 60 years). Prostheses with rhino horn stems were used in 15 patients and bifid-stem in 1 1 patients. Twenty patients had the prostheses inserted as a primary procedure after excision of primary bone sarcoma, and in six patients the prostheses were inserted after revision surgery of failed distal femur endoprostheses. Seventeen patients (65%) were alive and free of disease at a median follow-up of 98 months (12 to 203 months) and nine patients had died of metastatic disease. Local recurrence developed in two patients (1 0%) out of the 20 patients. Surgical complications occurred in five patients (191/o). Deep infections occurred in two patients (8%) requiring revision surgery in one patient. Prosthetic failure, occurred in nine patients (35%). The cumulative survival of prostheses was 69% at five years and 43% at 10 years. Musculoskeletal Tumour Society mean functional score was 83% (53% to 97%).

In conclusion, preservation of a short segment of the proximal femur and the use of endoprostheses with curved stems for reconstruction of the femur is technically possible. There is an increased risk of fracture of the prostheses decreasing the survival rate. Functional outcome of patients with this form of reconstruction is not significantly different from the functional outcome of patients who have proximal femur or total femur endoprosthetic reconstruction. This operation is particularly desirable in skeletally immature patients and allows normal development of the acetabulum.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 104 - 104
1 Feb 2003
Abudu A Sivardeen KAZ Grimer RJ Noy M
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Deep prosthetic infections are a significant cause of failure after arthroplastic surgery. Superficial wound infections are a risk factor for deep infections. We aimed to quantify the risk of deep infection after superficial wound infections, and analyse the microbiology of organisms grown.

We defused Superficial Infection according to the definition used by the Centre for Disease Control, and Deep Infection according to the Swedish Hip Register. We retrospectively analysed the results of 6782 THR and TKRs performed consecutively from 1988–1998. We analysed patient records, radiology and microbiological data. The latter collected prospectively by our infection control team.

We identified 81 (1. 2%) superficial wound infections, however we had to exclude 3 due to poor follow-up. Of the 78 patients studied, mean age was 71 (23–89), 50 were female, 28 male, 41 THR, 37 TKR and follow-up was a mean 49 months (12–130). The majority (81%) of organisms grown in the superficial wound infections were gram positive Staphylococci. These organisms were most frequently sensitive to Erythromycin or Flucloxacillin. All the superficial infections were treated with antibiotics, 66% settled with less than 6 weeks therapy. Deep prosthetic infections occurred in 10% of superficial infections in both THR and TKR. In 80% of cases the organism in the superficial infection caused the deep infection. Wound dehiscence, haematoma, post-op pyrexia and patient risk factors had no affect on onset of deep infection. However patients who had a wound discharge with positive microbiology and those patients in whom there was clinical doubt about the diagnosis of deep infection and thus had antibiotic therapy for more than six weeks had increased risk of deep sepsis.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 110 - 110
1 Feb 2003
Grimer RJ Davies AM Mehr A Evans N Pynsent PB
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Inadvertent excision of lumps which turn out to be soft tissue sarcomas is still unfortunately quite common. It is known as the “whoops” procedure. Determining whether there is residual disease is key to deciding subsequent management. The value of MRI has been assessed.

All new patients referred to our unit with a potential diagnosis of a “whoops” lesion were routinely reassessed with MR1 6 weeks after the initial operation.

Notwithstanding the result of the scan all patients underwent a further wide excision of the involved area shortly after the MRI. The scans of these patients have been reviewed and classified into positive, equivocal or negative. These results have been compared with the histological assessment of the re- excision specimen to determine the accuracy of MR1 in predicting the presence of residual tumour.

Of 887 patients with newly diagnosed soft tissue sarcomas seen in an 8 year period, 140 (11 %) had previously had a ‘whoops” procedure. Of these 111 had re-evaluation MR1 scans and had also undergone a further re-excision. There was residual tumour in 63 (57%) patients, whilst 48 (43%) had no residual tumour.

The sensitivity of MRI in predicting tumour was 64% but specificity 93%. Positive predictive value was 93% and negative predictive value 67%. Overall accuracy was 77%.

MRI is useful in identifying residual tumour after a whoops procedure but a negative result by no means excludes it. Re-excision remains essential despite the MRI results in most cases to ensure tumour clearance. Preventing the “whoops” procedure is clearly the best option of all!


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 112 - 112
1 Feb 2003
Jeys L Grimer RJ
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Endoprosthetic Replacements are one of the most commonly used types of limb salvage following surgical excision of bone tumours. The advantages of Endoprosthetic Replacements are their initial reliability and the rapid restoration of function along with their ready availability. The problems with Endoprosthetic Replacements are the long term problems of wear, loosening, infection and mechanical failure. Increasing and insolvable problems may lead to the necessity for amputation. This paper assesses the risk of amputation following Endoprosthetic Replacement.

A total of 1262 patients have undergone Endoprosthetic Replacement surgery at our centre in the past 34 years. They have a total of 6507 patient years of follow up. A total of 112 patients have had subsequent amputation (8. 9%). The reasons for amputation were local recurrence in 71(64. 4%), infection in 38(33. 9%), mechanical failure in 2(1. 8%) and continued pain in 1 case (0. 8%). The risk of amputation was greatest in the proximal tibia 15. 5% (n=38/246), followed by pelvis 10. 2%(5/49), and femur 7. 4% (n=58/784), whilst the risk of amputation was least in the humerus at 6. 4% (n= 1l/182). The time to amputation varied from 2 days to 16. 3 7 years, with a mean of 31 months. The risk of amputation decreased with time although 10% of the amputations took place more than 5 years after implantation.

The greatest risk of amputation is in the first 5 years and is due to local recurrence, whilst infection poses the next greatest threat. The risk decreases with time. Attempts to control both local recurrence and infection will decrease the need for amputation. Late failure of the endoprosthetic replacements, even in young patients does not seen to be a major cause of amputation thus far.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 114 - 114
1 Feb 2003
Khan MT Grimer RJ Peak D
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Limb Salvage surgery is the preferred treatment for malignant tumours of bone. This may require resection – arthrodesis, endoprosthetic replacement or allograft reconstruction.

We have re-implanted the patient’s bone for reconstruction of the defect after debulking the tumour and irradiation in ten patients. All had grade IIB sarcomas of the pelvis, humerus, tibia and metacarpal.

Median overall survival was 24 months (maximum 69 months). Four patients are alive at the most recent follow-up. One of them has metastatic disease and local recurrence while others remain free of disease. One patient has had pathological fracture through the irradiated bone that healed with conservative measures. One developed avascular necrosis of the femoral head and required resurfacing arthroplasty of the hip.

The pelvic sarcoma continues to be a challenge. Resection, extracorporal irradiation and re-implantation may offer some hope but remain experimental.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 111 - 112
1 Feb 2003
Belthur MV Grimer RJ Carter SR Tillman RM
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The purpose of this retrospective study was to analyze the risk factors, causes, bacteriology of deep infection following extensible endoprosthetic replacement for bone tumours in children and to review our experience in the treatment of 20 patients with infected prostheses.

123 patients with extensible endoprostheses were treated between 1983 and 1998. Three types of prostheses, which differed in the lengthening mechanism used, were implanted. 20 of these were diagnosed to have deep infection. Patients were divided into 3 groups: group I 5 patients were treated with a single stage revision, group 11– 13 patients were treated with a two stage revision procedure, group Ill- 2 patients had a primary amputation. Control of infection was assessed clinically and with inflammatory markers. Function was assessed using the MSTS score.

The overall incidence of infection was 16%. The incidence of infection at the proximal tibia and distal femur was 27% and 14% respectively. Staphylococcus epidermidis was the most common organism. The most common clinical features were pain and swelling around the prostheses. Infection in most cases was immediately preceded by an operative procedure or by distant a focus of infection. The number of operative procedures and the site of the prosthesis were significant risk factors. The success rate was 20% in Group 1 and 84% in Group II. Amputation was the salvage procedure of choice for failed revision procedures. The mean MSTS functional score was 83% in patients in whom the infection was controlled.

The incidence of deep infection is high following extensible endoprostheses. The site of the prosthesis and the number of operative procedures are significant risk factors. The type of prosthesis used is not a risk factor. Two-stage revision is successful in controlling infection in a majority of these cases.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 112 - 112
1 Feb 2003
Suneja R Belthur M Grimer RJ Carter SR Tillman RM Deshmukh NS
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This is a retrospective study of 70 patients with chondroblastoma treated between 1973 to 2000. Of these 70 patients, 53 had their primary procedure performed at our unit in the form of an intralesional curettage. The purpose of this study was to determine the rates of recurrence and the functional outcomes following this technique. Factors associated with aggressive tumour behaviour were also analysed. The patients were followed up for at least 22 months, up to a maximum of 27 years. 6 out of these 53 cases (11. 3%) had a histologically proven local recurrence. Three patients underwent a second intralesional curettage procedure and had no further recurrences. Two patients had endoprosthetic replacement of the proximal humerus and one patient underwent a below knee amputation following aggressive local recurrences. One patient had the rare malignant metastatic chondroblastoma and died eventually. The mean MSTS score was 94. 1%. We conclude that meticulous primary intralesional curettage without any additional procedure can achieve low rates of local recurrence and excellent long-term functional results.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 113 - 113
1 Feb 2003
Carmichael IW Grimer RJ
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Between 1975 and 2000, we treated 404 patients with Ewings sarcoma; 350 had osseous and 54 had extraosseous forms. The 5 year survival for osseous was 65%, and for extraosseous, 63%. There was a statistically significant difference in the average age of the 2 groups. However, there was no difference in the prognosis with regard initial blood results, excision margin, response to chemotherapy, or the presence of metastases at diagnosis. The overall rate of metastases was the same in both groups. We would therefore suggest that both osseous and extraosseous Ewings sarcoma are manifestations of the same disease.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 113 - 113
1 Feb 2003
Porter DE Prasad V Birch R Grimer RJ Carter SR Tillman RM
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Malignant peripheral nerve sheath tumours (MPNSTs) constitute 10% of soft tissue sarcomas. A significant proportion arise in neurofibromatosis type 1 (NF1). Several publications have compared MPNST survival in sporadic and NF1 patients, without consensus on whether NF1 is an independent factor for poor prognosis.

Clinical and histological data from 135 proven MPNSTs were analysed from 2 national centres for soft tissue tumour surgery diagnosed from 1979 to 2000. 129 patients had follow-up data from 6 months to 21 years. 35 were from patients with NF1. Local treatment involved surgery in surgery in 95%, radiotherapy in 44% and chemotherapy in 21%.

NF1 patients were younger than those with sporadic tumours (median age 26 years vs 53 years, p< 0. 001). Overall MPNST survival was almost identical to that in soft tissue sarcomas as a whole, but was worse in NF1 than in sporadic tumours (33% vs 72% at 30 months [p< 0. 01], 17% vs 39% at 60 months, 6% vs 21% at 120 months). A trend towards shorter time to local recurrence was seen in NF1, but not time to metastasis. Superficial tumours gave improved prognosis. Tumour volume over 100ml was associated with worse survival (46% vs 91% at 30 months, p< 0. 02), as was histological grade (80% high grade vs 25% low grade at 60 months, p< 0. 01). In terms of location, a non-significant over-representation of NF1 MPNSTs in the sciatic and brachial plexii was identified.

NF1 and sporadic MPNSTs exhibited no difference in depth or tumour volume profile, although NF1 tended towards higher grade. Analysis of survival in only high grade tumours, however, still resulted in a significant survival disadvantage in NF1 (33% vs 70% at 30 months, p< 0. 01). Removal of brachial and sciatic plexus tumours from analysis did not affect survivorship profiles in NF1 and sporadic MPNSTs.

Grade, volume and tumour depth correlate with survival; only 7 of 45 patients with deep high grade tumours over 100ml volume were observed to survive beyond 2 years. MPNST survival is worse in NF1 than sporadic tumours. Grade, depth, site and volume differences could not explain this disadvantage.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 114 - 114
1 Feb 2003
Grimer RJ Grainger MF Carter SR Tillman RM
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Few studies of wound complications following limb salvage surgery for soft tissue sarcomas separate anatomical compartments. Forty-nine patients with adductor compartment sarcomas underwent limb salvage surgery, 43% developing significant wound complications, 25% requiring further surgery and 20% had delays in adjuvant radiotherapy as a result. Prior surgery by non tumour surgeons and previous radiotherapy led to an increased risk of wound healing problems. In this particular group of patients, special attention should be made to prevent wound healing complications, possibly involving plastic surgeons at an earlier stage of management.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 112 - 112
1 Feb 2003
Grimer RJ Docker C Spooner D
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To assess whether primary spindle cell sarcomas of bone behave like other primary bone sarcomas.

185 patients with primary spindle cell sarcomas of bone, that is non-osteosarcoma, non-chondrosarcoma and non-Ewings sarcoma of bone, were identified from the patient database of the Orthopaedic Oncology Service in Birmingham, UK. This database contains information on over 10, 000 patients treated in Birmingham since 1970 and collected prospectively since 1986.

Spindle cell sarcomas of bone are primary bone tumours which share the histological spindle shaped cells. They are a heterogeneous group including the cytological diagnoses of malignant fibrous histiocytoma (MFH), spindle cell sarcoma, leiomyosarcoma, fibrosarcoma, angiosarcoma and secondary sarcoma.

119 (64%) of the patients were male. The mean age was 47 years with 116 (63%) older than 40 years. Only 6 patients were low grade and 34 had metastases at presentation. 12 patients developed tumours secondarily to other pathology such as Pagets or radiotherapy. The patient’s limb was affected in 155 (84%) of cases with the distal femur being the most common site.

Treatment was with chemotherapy and surgery where indicated. Chemotherapy was with adriamycin and cis-platin most commonly and was neoadjuvant in 75% of those who had it. Of the 150 patients who had surgery, 113 (75%) had limb salvage.

Overall five year survival was 52 %. Survival in patients who had high grade limb tumours, with no metastases at presentation and which weren’t secondary tumours had a five year survival of 60 %. These results are comparable to previous studies looking at similar tumour groups. Good prognostic factors included treatment since 1980, good response (> 90% necrosis) to neo-adjuvant chemotherapy, limb tumours, age < 40 and local control. 73% of patients with local recurrence died with a mean survival of 11 months. There was no difference in outcome or behaviour between the different diagnoses although prognosis was slightly better than those of aged matched patients with osteosarcoma.

Spindle cell sarcomas of bone respond in a similar way to, if not better than, osteosarcoma when treated in the same way with chemotherapy and surgery. Consequently this should be the preferred method of management.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 112 - 112
1 Feb 2003
Ford S Saithna A Grimer RJ Picci P
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Current survival rates for cancer in the UK are perceived to be worse than those in mainland Europe. In order to asses this we investigated the prognostic value of patient and treatment parameters in the management of osteosarcoma, and whether these parameters are equally important across international boundaries.

Retrospective, cross-sectional study of patients (n=428) diagnosed with non metastatic distal femur or proximal tibia osteosarcoma, between 1990–1997 at two specialist orthopaedic oncology centres; Birmingham, UK and Bologna, Italy. Disease free survival (DFS) and overall survival (OS) were assessed by Kaplan-Meier, Fisher’s PLSD and Cox proportional hazard regression. Results : DFS and OS were 43% and 60% at 5 years in Centre 1 and 56% and 73% at Centre 2 respectively. Median survival was 108 weeks at Centre 1 and 136 weeks at Centre 2. A significant difference in DFS and OS was demonstrated between the centres (p=0. 0019 and p=0. 0280 respectively). The most important prognosticators were raised alkaline phosphatase (p=0. 002 and p=0. 0019), degree of chemotherapy induced necrosis (p=0. 0001 and p=0. 0002) and tumour volume > 150cm³ (p=0. 0037 and p=0. 0057).

The most significant combination of prognosticators was alkaline phosphatase and tumour necrosis. 75% of patients in centre 2 had a good chemotherapy response (> 90% necrosis) compared to only 29% in Centre 1. The other prognostic indicators were evenly matched. Chemotherapy regime was found to have significantly different outcome in DFS and OS.

This is a retrospective study designed to explore possible reasons for differences in survival between two international centres. It would appear that all known patient factors were matched between the centres but that the main difference was in the effectiveness of chemotherapy. Further international prospective studies are needed to confirm these findings.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 112 - 113
1 Feb 2003
Kumar D Grimer RJ Tillman RM Carter SR
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Reconstruction of the shoulder joint following resection of the proximal humerus for bone tumours remains controversial. We report the long term functional results of the simplest form of reconstruction – an endoprosthesis.

One hundred patients underwent endoprosthetic replacement of the proximal humerus between 1976 and 1998. Thirty eight had osteosarcoma, 17 had chondrosarcoma, 16 had metastases and 9 had Ewing’s sarcoma. Mean age was 36 years (range 10 to 80 yrs). Survivorship of patients and prostheses were calculated. Function was assessed using the Musculoskeletal tumour society (MSTS) and Toronto extremity salvage (TESS) scoring systems. Thirty patients could come to the clinics for MSTS scoring and 38 out of 49 alive patients replied to the TESS questionnaires sent out to them.

The overall survival of the patients was 42% at 10 years. Local recurrence (LR) arose in 16 patients, being most common in chondrosarcoma (26%) and osteosarcoma (22%) and arose in 50% of patients with these tumours who had marginal excisions. Of these 16 patients, 8 had forequarter amputations whilst the remainder had excisions and radiotherapy. Mean time to LR was 12 months and all but two of these 16 patients subsequently died within a mean of 18 months.

The prostheses proved reliable and dependable. Only 9 required further surgery of any sort, 2 needing minor surgery to correct subluxation and 7 needing revisions, one for infection after radiotherapy and six for loosening – three after trauma. The survivorship of the prosthesis without any further surgery was 86. 5% at 20years. The survivorship of the limb without amputation was 93% at 20 years.

The functional outcome was very predictable. Most patients had only 45 degrees of abduction although three patients had normal movements. The mean MSTS functional score was 79% and the mean TESS score was also 79%. There was a high level of patient satisfaction but difficulty was encountered especially in lifting and in all activities above shoulder height. Endoprosthetic replacement of the proximal humerus is a predictable procedure providing reasonable function of the arm below shoulder height. The endoprostheses have proved highly dependable with a low re-operation rate. There is a high risk of local recurrence after inadequate surgery which should be avoided if possible.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 113 - 113
1 Feb 2003
Belthur MV Suneja R Grimer RJ Carter SR Tillman RM
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This retrospective clinical study describes our experience of the use of growing endoprostheses in children with primary malignant tumours of the proximal femur and analyses the results.

Between 1983 and 1996 we treated nine children with primary bone tumors of the proximal femur by resection and proximal femoral extensible replacements. Outcomes measured were function of the limb using Musculoskeletal Tumor Society score, oncologic outcome, complications and equalization of limb length. Results: Four patients died as a result of pulmonary metastases. The remaining five patients were observed for an average follow-up period of 7. 6 years (range 11–12. 7 years). One patient had a hindquarter amputation for uncontrolled infection. In these five patients we performed an average of 10. 2 operative procedures per patient (range of 3–17 procedures) including 5 lengthening procedures (range of 1–8 procedures) and a mean total extension of 69. 7 mm per patient. Acetabular loosening and hip dislocations were the most frequent complications. Only two patients have not had a revision or a major complication. Despite this, 4 children are alive with a functioning lower limb and a mean Musculoskeletal Tumour Society functional score of 77. 6%. The limb length discrepancy was less than 1 0 mm in three of these patients. The remaining patient has a discrepancy of 50 mm and is awaiting further limb equalization procedures.

Extendible endoprostheses of the proximal femur in selected children is a viable reconstructive procedure. It allows for equalization of limb length and the ability to walk without the use of mobility aids.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 109 - 109
1 Feb 2003
van Kampen M Grimer RJ Carter SR Tillman RM
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Between 1982 and 1997, twenty-six children between the age of 2 and 15 (mean age 10. 6 years) underwent proximal femoral replacement. Twenty have survived and all but three have reached skeletal maturity.

Sequential radiographs have been reviewed with particular reference to acetabular development and fixation of the prostheses. Initially a cemented acetabular component was inserted, but recently uncemented implants and unipolar femoral heads that exactly fit the acetabulum have been used.

In older children the acetabulum develops normally and the components remain well fixed. One of nine children over thirteen years with a cemented acetabulum needed revision for loosening and one suffered recurrent dislocations.

In younger children the acetabulum continues to develop at the triradiate cartilage, so a cemented acetabulum grows away from the ischiopubic bar. As the component is fixed proximally, it becomes increasingly vertical and will almost inevitably loosen. In our study six of eight children under 13 years of age with a cemented acetabulum needed revision for loosening.

Unipolar replacements in younger children tend to erode the superior acetabular margin. Femoral head cover is difficult to maintain, and of four unipolar implants in children under thirteen, two required acetabular augmentation.

Cemented cups may be unsuitable for children under thirteen years but our results are not statistically significant. In this age group, unipolar implants may be more appropriate but they have serious potential complications. In children over thirteen, cemented implants survive longer. The number of uncemented implants in our study is too small to comment on long-term survival.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 113 - 113
1 Feb 2003
Belthur MV Grimer RJ Carter SR Tillman RM
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34 two-stage revision procedures were carried out between 1989 and 1998 for controlling deep infection following resection of bone tumours and reconstruction with endoprostheses. In 4 cases the procedure failed with early recurrent infection. In six others infection reappeared after further operative procedures. Six of these ten patients required amputation. The success of the procedure in controlling infection was 75% at 5 years. Two stage revision procedures have proved effective in controlling infection in massive endoprostheses but the risk of re-infection appears to be much greater in patients requiring further surgery for any cause.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 102 - 102
1 Feb 2003
Maiya S Gray J Grimer RJ Carter SR Tillman RM
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Although pathological fractures in the aged are usually due to metastasis, solitary lesions with undetected primary should be treated with caution. Assumption of such lesions as metastatic and their subsequent internal fixation could lead to completely inappropriate treatment if the lesion turns out to be a primary sarcoma of bone.

Referrals to our bone tumour service over a four year period were analysed. There were 62 pathological fractures of which 11(17. 8%) were primary sarcomas that were treated as a metastasis. The limb salvage was compromised and survival rates poor in these group.

Although it is believed that primary sarcomas are rare in the aged, our database confirms that 14% of primary sarcomas affect this age group. The survival figures of primary sarcomas in the aged (> 60 years) treated at our centre was a mean of 43 months with a 5-year survival of 22%. The presence of a pathological fracture did not significantly alter the long-term survival of these patients. On the other hand, metastasis had a poor survival with a mean of 19 months and a 5-year survival of 4% showing a significant difference. In addition, these patients underwent major inappropriate surgeries, which rendered limb-salvage difficult, worsened the morbidity and caused mental distress to patients.

Any pathological fracture in the aged presenting as a solitary osseous lesion with an undetected primary or even remote primary should be treated with caution. Their diagnosis needs to be established by biopsy whatever the age of the patient before any form of internal fixation is undertaken. The temptation to carry out biopsy and internal fixation at the same sitting or even a prophylactic fixation should be avoided when the diagnosis is not clear. Standard principles of musculoskeletal oncology need to be followed.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_I | Pages 50 - 50
1 Jan 2003
Grimer RJ Tillman RM Carter SR Spooner D Peake D
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Local recurrence (LR) following treatment of a sarcoma is generally accepted to be a poor prognostic sign and an indicator both of inadequate local control as well as of the failure of adjuvant treatment.

Of 2589 patients with non metastatic Ewings, osteo-sarcoma, chondrosarcoma or a soft tissue sarcoma, 316 have developed LR at some stage following initial treatment of their tumour. 120 were already known to have metastases elsewhere when they developed LR or were found to have them at time of restaging but 196 developed LR as the first sign of relapse.

The mean time to development of LR was 24 months and 72% had arisen within the first two years. Overall survival following LR was 25% at 5 years and 20% at 10 yrs. In patients with metastases at the time of LR or who were found to have them at the time of restaging the median survival was 6 months with only 12% being alive at 2 years. In those with LR as first sign of relapse median survival was 3 years with 30% long term survivors. Patients with low grade tumours had a better outcome than those with high grade – 50% being cured by further surgery. Of the high grade tumours without metastases at time of diagnosis relapsed Ewing’s had the worst prognosis with median survival of 8 months compared with 22 months for osteosarcoma, 36 months for STS and 36 months for chondrosarcoma, despite which overall survival was 16% for both Ewing’s and osteo-sarcoma patients but was 30% for chondrosarcoma and STS.

LR following sarcoma surgery is due to a combination of aggressive disease with inadequate surgery and ineffective adjuvant treatment. In isolated LR aggressive further treatment is justified with an outcome similar to that of metastatic disease.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_I | Pages 50 - 50
1 Jan 2003
Metcalfe JE Grimer RJ Eiser C
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Survival in the wake of hindquarter amputation and oncological treatment is improving; the hindquarter amputee population is increasing. Some amputees function well, others do not. To assess quality of life and function of hindquarter amputees.

21 amputees (10 females and 11 males) consented to take part in the study. Ethics approval was sought. Assessment was performed using postal questionnaires; SF36 for quality of life; TESS (Toronto Extremity Salvage Score) for physical function and mobility; IEFF( International Index for Erectile Function) for male sexual function; a prosthetics questionnaire to assess prosthetic use.

Mean age of the group was 55 with the mean survival of 7 years post amputation.

Quality of life results were compared to normal subjects and patients for long term illness. Amputees had a significant reduction in quality of life concerning physical function and pain. Social function, mental health and energy levels were equivalent to patients with long term illness.

The mean TESS result was 56.9 with females having a mean score of 61.7 and male of 48. 50% of the group considered themselves as severely to completely disabled; 50% considered themselves moderately disabled. Five were in full time employment.

Six males responded to the sexual function questionnaire. Impotence was universally experienced.

Only five amputees used their prosthesis regularly. All amputees have experienced and 20 continue to experience phantom pain.

This study illustrates that hind quarter amputees have poor physical function and a low quality of life. Phantom pain is universally experienced. Male amputees experience impotence. Addressing these areas would improve the life of current and future hind quarter amputees.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_I | Pages 50 - 50
1 Jan 2003
Cool P Grimer RJ
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Due to advances in the assessment and treatment of patients with metastatic bone disease, the survival has improved in recent years.

It was the aim of this met-analysis to assess the outcome of patients with metastatic bone disease across Europe.

Five major bone tumour treatment centres participated in the met-analyses. Data had been collected prospectively and was retrieved from the databases for the purpose of this study. All patients were referred to the bone tumour centre for assessment and possible surgical treatment.

The data of almost 2500 patients were analysed. The average age at diagnosis was 60 years and the male to female ratio was 1:1.07.

The overall 5-year survival was 35%, but this was significantly better in metastatic disease of the thyroid and breast as well as multiple myeloma.

The number and site of metastases or the presence of a pathological fracture were not prognostic factors in terms of survival. Patients who were female or younger than 50 years of age at time of diagnosis had a better outcome.

This registry will be expanded and more information analysed to try and provide useful information about prognostic factors and outcome for patients with meta-static bone disease.