The occipito-atlanto-axial joints in rheumatoid arthritis and ankylosing spondylitis.
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging*; D001268:Atlanto-Axial Joint; D001269:Atlanto-Occipital Joint / Q000473:pathology*; D001368:Axis, Cervical Vertebra / Q000473:pathology*; D001270:Cervical Atlas / Q000473:pathology*; D006801:Humans; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging*
ARTHRITIS, RHEUMATOID/radiography; ATLANTO-OCCIPITAL JOINT/pathology; ATLAS AND AXIS/pathology; SPONDYLITIS, ANKYLOSING/radiography