title: A 68-year-old man with gradual onset of low-back pain.
abstract: The following case is presented to illustrate the roentgenographic and clinical findings of a condition of interest to orthopedic surgeons. The initial history, physical findings, and roentgenographic examinations are noted on this page. The clinical and roentgenographic diagnoses are presented on the following pages.
authors.affiliation: University of Hong Kong, China.
authors.forename: W C
authors.initials: WC
authors.lastname: Peh
authors.forename: K D
authors.initials: KD
authors.lastname: Luk
authors.forename: L A
authors.initials: LA
authors.lastname: Gilula
mesh_terms: D000368:Aged; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D011542:Pseudarthrosis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000000981:diagnostic imaging