SCINTIGRAPHIC INVESTIGATION OF SACROILIAC DISEASE

  • 1 January 1977
    • journal article
    • research article
    • Vol. 18  (6) , 529-533
Abstract
Bone scintigraphs obtained with both 99mTc polyphosphate and 99mTc pyrophosphate were abnormal at the sacroiliac joints of 44 patients with definite ankylosing spondylitis (AS). Because of the normal registration of the sacroiliac joints on bone scintigraphy, it was necessary to develop a profile-scan technique to quantify the abnormality that was significantly different from the normal finding. In 17 patients with a strong clinical suspicion of AS but normal radiographs, the sacroiliac joints were frequently abnormal. This finding is meaningful because there is a common occurrence in this group of the histocompatibility antigen HL-A-B27, known to be a marker of AS. The frequency of abnormal sacroiliac scintigrams was noted in 26 patients with rheumatoid arthritis and in a group of other diseases.sbd.Crohn''s disease, uveitis, psoriasis, ulcerative colitis and Reiters'' disease.sbd.all of which share some of the manifestations of AS.

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