Aim: To study the management and survival outcome of patients with metastatic long bone deposits referred to a general orthopaedic unit at a district general hospital.
Methods and materials: 43 patients with pathological or impending long bone fractures were identified between 1998 and 2001. Details of primary tumor, bony metastatic involvement and management were recorded. Additional data was collected regarding prophylactic versus therapeutic treatment, oncological input, time to death and Mirel’s score, where relevant.
Results: The most common areas of long bone metastases were found to be proximal femur 29/43 (67%) and humeral shaft 11/43 (26%). Proximal femoral lesions included subcapital, intertrochanteric and subtrochanteric lesions. Operative stabilisation was carried out in 27/43 (63%), and involved intramedullary fixation (10/27; 37%), extramedullary fixation (15/27; 56%), and arthroplasty (2/27; 7%). Of the initial 43 patients, 14 (33%) presented with impending fractures, with Mirel’s scores ranging from 7 to 11 (average 9).
The duration of pre-existing pain in the in the fracture group varied from 3 days to 6 months (average 55 days). None of these patients received oncological input during this time period. Of these 15 patients, 12 subsequently required surgery.
Patient survival times in the operated group averaged 3 months (2 days to 9 months) – with the exception of one patient who survived for 36 months. This compared equally with survival times for the unoperated group.
Only 2/43 patients received preoperative oncology input. In the postoperative group (27 patients), 16 (59%) received radiotherapy. Of the remaining 11 patients, 9 (33%) did not receive radiotherapy due to significant postoperative complications and died within 8 weeks.
Discussion: The main aims of surgery in patients with metastatic bony disease are pain relief, and preservation of stability and function. In view of the low life expectancy, preoperative oncology input is important in determining patient longevity and in deciding if surgery is beneficial. All patients should be considered for postoperative radiotherapy once the wound has healed. This multi disciplinary approach can be difficult to achieve in the setting of a district general hospital where oncology services are limited.