Diagnosis and Progression of Sacroiliitis in Repeated Sacroiliac Joint Computed Tomography

<table>Changes in sacroiliitis grading in 58 of 334 patients with CT of the sacroiliac joints. In 25 cases with sacroiliitis and two equivocal cases, the observed changes were too small to merit a change of sacroiliitis grade.</table>

Arthritis

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Figure 1

Figure 1: Diagnosis and Progression of Sacroiliitis in Repeated Sacroiliac Joint Computed Tomography 