title: Synovial sarcoma manifesting as a single joint flare in rheumatoid arthritis.
abstract: A 69-year-old female recently diagnosed as suffering from rheumatoid arthritis presented with a general flare-up of disease including a swollen left ankle. Investigation revealed the swelling to be due to a synovial sarcoma. This unusual cause should be considered in all cases of local joint flares in rheumatoid arthritis.
authors: Staffordshire Rheumatology Centre, Haywood Hospital, Stoke-on-Trent, England.
authors: A A
authors: AA
authors: Borg
authors: C
authors: C
authors: Wynn-Jones
authors: P T
authors: PT
authors: Dawes
mesh_terms: D000368:Aged; D000843:Ankle Joint / Q000000981:diagnostic imaging; D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000000981:diagnostic imaging; D001706:Biopsy; D001842:Bone and Bones / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis; D011859:Radiography; D012509:Sarcoma / Q000175:diagnosis* / Q000473:pathology; D013583:Synovial Membrane / Q000473:pathology