title: Radiology case of the month. Knee pain: intra-articular mass. Pigmented villonodular synovitis (PVNS).
authors.forename: H
authors.initials: H
authors.lastname: Neitzschman
authors.forename: S
authors.initials: S
authors.lastname: Wilson
mesh_terms: D000328:Adult; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging* / Q000473:pathology; D008279:Magnetic Resonance Imaging; D008297:Male; D011859:Radiography; D013586:Synovitis, Pigmented Villonodular / Q000000981:diagnostic imaging* / Q000473:pathology