title: Case of the month: painful ankle swelling--diagnosis by MRI.
authors.affiliation: Department of Diagnostic Radiology, University of Hong Kong.
authors.forename: W C
authors.initials: WC
authors.lastname: Peh
authors.forename: K M
authors.initials: KM
authors.lastname: Cheung
mesh_terms: D000328:Adult; D000843:Ankle Joint / Q000473:pathology*; D018771:Arthralgia / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D013586:Synovitis, Pigmented Villonodular / Q000150:complications / Q000175:diagnosis*