Haemangioma in the knee-joint.
D000328:Adult; D003937:Diagnosis, Differential; D006225:Hand / Q000601:surgery; D006392:Hemangioma, Cavernous / Q000473:pathology / Q000601:surgery; D006801:Humans; D007719:Knee Joint / Q000601:surgery; D008297:Male; D011379:Prognosis