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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
Sinnaeve F Grimer R Carter S Tillman R Abudu A Jeys L
Full Access

Aim: To review our experience of managing patients with aneurysmal bone cysts (ABCs).

Method: We reviewed the medical records and radiographs of all patients with ABCs 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 the humerus (27). Thirty-five (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 (but 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 the results published for any other technique. We recommend biopsy in all cases with limited curettage at the same time, and 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 442 - 442
1 Jul 2010
Sinnaeve F Grimer R Carter S Tillman R Abudu A Jeys L
Full Access

Disappearing bone disease is also known as vanishing bone disease, phantom bone disease, massive osteolysis, Gorham’s disease or Gorham-Stout disease. Basically, it is characterised by osteolysis in (contiguous) bone segments, due to localised proliferation of thin-walled vascular channels in the bone and surrounding soft tissues.

The etiology and pathophysiology of this condition remain poorly understood and largely unclear, but there is increasing evidence that disordered lymphangiogenesis plays a role. It is an extremely rare cause of osteolysis, so all other differential diagnoses should be considered and ruled out before retaining the diagnosis of disappearing bone disease.

Treatment is fairly disappointing and no single treatment modality has proven effective in actually arresting the disease. Conservative treatment includes ant-resorptive agents (bisphosphonates), immunomodulating substances and radiation therapy, whereas surgical treatment options include resection and reconstruction with bone grafts and/or prostheses versus amputation.

We report on the only two cases that were identified in our database between 1984 and 2008, both affecting the lower limb (one tibia, one femur). In an attempt to limb salvage, these patients initially underwent endoprosthetic replacement of the affected bone segment, but due to disease progression both eventually ended up with a hip disarticulation.

Conclusion: Although benign, this condition can be very aggressive, necessitating amputation to achieve local control.