List five potential complications of a solitary osteochondroma.
Malignant degeneration, fracture, adventitious bursa formation, neurovascular compression, cosmetic deformity.
A broad osseous excrescence is observed along the posteromedial aspect of the femur, showing cortical and medullary continuity with the underlying bone. The cortex is smooth, without evidence of disruption or erosion. No periosteal reaction is present.