title: Pigmented villonodular synovitis of the sequestered suprapatellar bursa.
abstract: Two cases of pigmented villonodular synovitis of a sequestered suprapatellar bursa are reported. The embryologic, clinical, arthrographic, and magnetic resonance features of this rare entity are discussed.
authors.affiliation: Department of Radiology, SUNY Health Science Center at Syracuse.
authors.forename: D S
authors.initials: DS
authors.lastname: Katz
authors.forename: E M
authors.initials: EM
authors.lastname: Levinsohn
mesh_terms: D000328:Adult; D001175:Arthrography; D002061:Bursa, Synovial / Q000196:embryology / Q000473:pathology; D002648:Child; D005260:Female; D006801:Humans; D007719:Knee Joint; D008279:Magnetic Resonance Imaging; D008297:Male; D013586:Synovitis, Pigmented Villonodular / Q000175:diagnosis* / Q000196:embryology / Q000473:pathology