Figure 10b. Tuberculous TOAs in a 22-year-old woman. (a) Axial T2-weighted MR image shows predominantly cystic masses (white arrows) in both adnexal regions. The walls and septa have low signal intensity and are irregularly thickened. Another septate cystic mass (black arrows) is seen between the two adnexal masses. Note the infiltrations in the anterior peritoneal fat planes (bottom arrowheads) and the peritoneal thickening (top arrowheads). (b) Axial T1-weighted MR image shows that the inner walls and septa (arrowheads) of both adnexal masses (white arrows) have slightly high signal intensity. Some of the contents of the right adnexal mass also have high signal intensity (black arrow). (c) Axial contrast-enhanced fat-suppressed T1-weighted MR image shows marked enhancement of the walls and septa of the adnexal masses. There is prominent enhancement of the peritoneal thickening and the infiltrations in the peritoneal fat planes (arrows). (d) Sagittal contrast-enhanced T1-weighted MR image shows serrations or small nodular lesions (arrowheads) along the inner wall of the left adnexal mass (arrows). (e) Contrast-enhanced CT scan shows loculated fluid collections with enhancing walls (arrows) in the perihepatic space.