title: Ankylosing spondylitis in a patient with primary hypertrophic osteoarthropathy.
authors.affiliation: Division of Rheumatology, Hospital das Clinicas, School of Medicine, University of São Paulo, São Paulo, Brazil. samuel.shinjo@gmail.com
authors.forename: Samuel Katsuyuki
authors.initials: SK
authors.lastname: Shinjo
authors.forename: Eduardo Ferreira
authors.initials: EF
authors.lastname: Borba
authors.forename: Célio Roberto
authors.initials: CR
authors.lastname: Gonçalves
authors.forename: Maurício
authors.initials: M
authors.lastname: Levy-Neto
mesh_terms: D006801:Humans; D017116:Low Back Pain / Q000209:etiology; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010004:Osteoarthropathy, Primary Hypertrophic / Q000150:complications*; D011859:Radiography; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000175:diagnosis