title: A 28-year-old woman with swelling of the thumb.
abstract: The following case is presented to illustrate the roentgenographic and clinical findings of a condition of interest to the orthopedic surgeon. The initial history, physical findings, and roentgenographic examinations are found on this page. The clinical and roentgenographic diagnoses are presented on the following pages.
authors.affiliation: University of Hong Kong, Republic of China.
authors.forename: W C
authors.initials: WC
authors.lastname: Peh
authors.forename: J H
authors.initials: JH
authors.lastname: Li
authors.forename: L A
authors.initials: LA
authors.lastname: Gilula
mesh_terms: D000328:Adult; D015838:Chondromatosis, Synovial / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D003937:Diagnosis, Differential; D004487:Edema / Q000209:etiology; D005260:Female; D006801:Humans; D011859:Radiography; D013933:Thumb / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery