Unusual solid mass in the popliteal fossa.
Smurthwaite, Katharine Anne
JournalBMJ case reports
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We present a clinical case image of a 20-year-old man with a lump behind his knee. A radiograph taken in the emergency department demonstrated the classical appearance of an osteochondroma. Osteochondroma is the commonest skeletal neoplasm. Surgical excision results in symptom resolution in over 90% of patients.