title: Case records of the Massachusetts General Hospital. Case 31-2014. A 50-year-old man with back pain, fatigue, weight loss, and knee swelling.
authors.forename: Mark C
authors.initials: MC
authors.lastname: Fisher
authors.forename: John H
authors.initials: JH
authors.lastname: Stone
authors.forename: William E
authors.initials: WE
authors.lastname: Palmer
mesh_terms: D001416:Back Pain / Q000209:etiology*; D059350:Chronic Pain / Q000209:etiology; D005221:Fatigue / Q000209:etiology; D015796:HLA-B27 Antigen / Q000032:analysis; D006327:Heart Block / Q000209:etiology; D006801:Humans; D007717:Knee / Q000473:pathology; D008159:Lumbar Vertebrae / Q000473:pathology; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000209:etiology; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000175:diagnosis* / Q000601:surgery; D013904:Thoracic Vertebrae / Q000473:pathology; D015431:Weight Loss
chemical_list: C442644:HLA-B*27:19 antigen; D015796:HLA-B27 Antigen