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Osteochondroma - femur

Case contributed by Heba Abdelmonem
Diagnosis certain

Presentation

Palpable swelling.

Patient Data

Age: 17 years
Gender: Male
ct

Left distal medial femoral metaphyseal bony outgrowth heading away from the knee joint space, with broadening of the diaphysis. Note the continuity of the medullary cavity from the femur into the lesion, which has internal fat (marrow) density.

Case Discussion

An osteochondroma may be asymptomatic or may manifest with palpable swelling or pressure symptoms.

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