Figure 23. Sagittal STIR image (4,240/30, 150-msec inversion time) of an inflamed TMJ in patient with rheumatoid arthritis. The synovitis and inflammation of the surrounding tissue can be easily detected because of the increased water content (1). A small volume of intracapsular fluid in the superior joint space is visible (2). In this patient, the partial anterior disk displacement (3) did not cause any symptoms. For the whole sequence from medial to lateral, see Movie 13.