title: Pigmented villonodular synovitis of the pes anserine bursa: case report.
authors.affiliation: Department of Orthopedic Surgery, Georgetown University Medical Center, Washington, DC, USA.
authors.forename: Anthony I
authors.initials: AI
authors.lastname: Riccio
authors.forename: John
authors.initials: J
authors.lastname: Christoforetti
authors.forename: Christopher C
authors.initials: CC
authors.lastname: Annunziata
mesh_terms: D000328:Adult; D002061:Bursa, Synovial; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D008297:Male; D013586:Synovitis, Pigmented Villonodular / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed