title: Arthrosonography in the diagnosis of pigmented villonodular synovitis.
mesh_terms: D000293:Adolescent; D006801:Humans; D007717:Knee; D008297:Male; D013585:Synovitis / Q000175:diagnosis*; D013586:Synovitis, Pigmented Villonodular / Q000175:diagnosis* / Q000601:surgery; D014463:Ultrasonography