title: Inflammatory synovitis due to underlying lipoma arborescens (gadolinium-enhanced MRI features): report of two cases.
abstract: Lipoma arborescens (synovial lipomatosis) is a rare, benign intra-articular lesion of unknown etiology. It is a very rare primary benign tumour of the synovium, which usually affects the knee joint and can lead to slowly progressive chronically swollen knee. In this report we described two cases with this rare entity with initial presentation of inflammatory synovitis. We also described the Gadolinium (Gd-DTPA)-enhanced MRI features. To the best of our knowledge, this is the first report that described inflammatory synovitis in association with this rare entity.
authors.affiliation: Faculty of Medicine, Department of Radiology, Cairo University, Cairo, Egypt.
authors.forename: Y
authors.initials: Y
authors.lastname: Ragab
authors.forename: Y
authors.initials: Y
authors.lastname: Emad
authors.forename: A
authors.initials: A
authors.lastname: Banakhar
mesh_terms: D000328:Adult; D003287:Contrast Media / Q000494:pharmacology; D005260:Female; D005682:Gadolinium / Q000494:pharmacology*; D019786:Gadolinium DTPA / Q000494:pharmacology; D006801:Humans; D007249:Inflammation / Q000175:diagnosis / Q000473:pathology*; D007592:Joint Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D007717:Knee / Q000473:pathology; D007719:Knee Joint / Q000473:pathology; D008067:Lipoma / Q000378:metabolism*; D008279:Magnetic Resonance Imaging / Q000379:methods*; D011522:Protons; D011859:Radiography; D012219:Rheumatology / Q000379:methods; D013585:Synovitis / Q000175:diagnosis* / Q000473:pathology
chemical_list: D003287:Contrast Media; D011522:Protons; D005682:Gadolinium; D019786:Gadolinium DTPA