title: Pigmented villonodular synovitis of a lumbar facet joint.
abstract: We describe the CT appearance of suspected pigmented villonodular synovitis involving a lumbar facet in a 51-year-old woman, and discuss how the histologic and radiologic appearances may differ from those of synovial cysts.
authors.affiliation: Department of Radiology, University of Pennsylvania, Philadelphia 19104.
authors.forename: D S
authors.initials: DS
authors.lastname: Titelbaum
authors.forename: C H
authors.initials: CH
authors.lastname: Rhodes
authors.forename: J S
authors.initials: JS
authors.lastname: Brooks
authors.forename: H I
authors.initials: HI
authors.lastname: Goldberg
mesh_terms: D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D013586:Synovitis, Pigmented Villonodular / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed