title: A 24-year-old man with suspected sacroiliitis.
authors.affiliation: Department of Medicine, University of Toronto, Toronto, Ont. shirley.chow@sunnybrook.ca.
authors.forename: Shirley
authors.initials: S
authors.lastname: Chow
authors.affiliation: Department of Medicine, University of Toronto, Toronto, Ont.
authors.forename: Nigil
authors.initials: N
authors.lastname: Haroon
mesh_terms: D006801:Humans; D017116:Low Back Pain / Q000209:etiology* / Q000473:pathology / Q000628:therapy; D008297:Male; D058566:Sacroiliitis / Q000150:complications* / Q000175:diagnosis / Q000628:therapy; D055815:Young Adult