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CT of the medial umbilical folds
1Department of Radiology, University of Tsukuba, Tsukuba University Hospital, Ibaraki-ken, Japan.
Purpose:
The goal of our study was to investigate the appearance of the medial umbilical folds on CT.
Method:
We retrospectively reviewed the CT images of 30 consecutive patients with massive ascites. In addition, we inspected the inner pelvic wall in cadavers.
Results:
The medial umbilical folds were well recognized on CT in 21 of 30 patients, bilaterally in 20 and unilaterally in 1. In four patients the folds were undetectable after the ascites resolved. The CT findings were supported by those studied in cadavers, in which the folds were recognized as a peritoneal reflection in 13 of 20.
Conclusion:
We concluded that medial umbilical folds could be commonly visualized on CT when ascites was present.