Localised hypertrophy of the semimembranosus muscle simulating popliteal cyst.
D000328:Adult; D001845:Bone Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D006984:Hypertrophy / Q000175:diagnosis*; D008297:Male; D009135:Muscular Diseases / Q000175:diagnosis*