Osteoid osteoma of the femoral ends

ABSTRACT

Ten cases of osteoid osteoma are described in the proximal [6 cases] and distal [4 cases] ends of the femur. Age 17-28 years, mean 21.7 years. Sex males 8, females, 2. Diagnosis Iocalised pain and tenderness, referred pain, sometimes sciatic like, guarded neighbouring joint, hip or knees, synovial effusion. X-rays nidus mainly cortical, not more than 1 cm in diameter, surrounded by sclerosis. Preoperative localisation and confirmation by conventiontal or computerised tomography. Preoperative localisation by image intensifier, K-wire pointing in the lesion and X-rayed, X-ray of resected block of bone. Treatment Removal of a bony block containing the lesion; reinforcement of defective cortex by cancellous bone graft; non weight bearing ambulation until operated bony site gets consolidated. All cases were relieved of pain by simple excision. One case of subtrochanteric osteoid osteoma had a fracture caused by careless early weight bearing