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FIBULA STRUT GRAFT FOR THE TREATMENT OF IMPENDING PATHOLOGICAL FRACTURE OF THE PROXIMLA FEMUR



Abstract

Large benign lytic lesions of the proximal femur present a significant risk of pathological fractures. We report our experience of treating 9 consecutive patients with such defects treated with curettage and fibula strut grafting without supplementary osteosynthesis to evaluate the outcome of this type of reconstruction..

The mean age at the time of diagnosis was 13 years (8–21). Follow up ranged from 2 to 215 months (median 15). Histological diagnosis was fibrous dysplasia in 10 patients and unicameral cyst in 2. All the patients were at risk of pathological fracture. None of the patients developed pathological fracture after surgery and the lesions consolidated fully within one year. Local recurrence occurred in one patient (8%). Minor donor site complications occurred four patients.

All the patients were able to fully weight usually within 3 months of surgery.

At the time of review all but one patient were completely asymptomatic and fully weight bearing. The only symptomatic patient was the patient with local recurrence which has recently been treated.

We conclude that fibula strut graft is a good method of reconstruction of cystic defects in the proximal femut. It prevents pathological fracture, allows mechanical reinforcement of the lesion and delivers biological tissue allowing early consolidation of the defect.

Correspondence should be addressed to BOOS at the Royal College of Surgeons, 35 - 43 Lincoln’s Inn Fields, London WC2A 3PN