title: Bilateral pigmented villonodular synovitis of the hip.
mesh_terms: D000328:Adult; D006621:Hip Joint / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011859:Radiography; D013585:Synovitis / Q000000981:diagnostic imaging*; D013586:Synovitis, Pigmented Villonodular / Q000000981:diagnostic imaging*