title: Nineteen-year-old female with unilateral ankle pain. What is your diagnosis?
abstract: The case history of a 19-year-old female with left ankle pain of 18 months' duration is presented. The reader is encouraged to make his or her own diagnosis after reviewing the history, laboratory values, and imaging. The final diagnosis with a full explanation and differential diagnosis will follow.
authors.affiliation: Department of Orthopedics, New York College of Podiatric Medicine, NY, USA.
authors.forename: E
authors.initials: E
authors.lastname: Sobel
authors.forename: M A
authors.initials: MA
authors.lastname: Kosinski
authors.forename: T J
authors.initials: TJ
authors.lastname: Lehman
mesh_terms: D000328:Adult; D000842:Ankle; D000974:Antibodies, Antinuclear / Q000097:blood; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain / Q000097:blood / Q000209:etiology*; D012217:Rheumatoid Factor / Q000097:blood; D013166:Spondylitis / Q000097:blood / Q000175:diagnosis* / Q000235:genetics
chemical_list: D000974:Antibodies, Antinuclear; D012217:Rheumatoid Factor