Published online Feb 26, 2021. doi: 10.12998/wjcc.v9.i6.1424
Peer-review started: October 13, 2020
First decision: November 24, 2020
Revised: December 8, 2020
Accepted: December 23, 2020
Article in press: December 23, 2020
Published online: February 26, 2021
Leiomyoma of the uterus is relatively common, but uterine leiomyoma of the greater omentum is rare.
Here, we report the case of a 22-year-old woman who presented with a 3 mo history of progressive abdominal distension and a hypervascular abdominopelvic mass. Due to a high serum concentration of CA125, the preoperative diagnosis was unclear. During surgery, 5 L of ascites was removed. An 18.8 cm solid mass, which was pedunculated from the uterine fundus and exhibited complex adhesion to the greater omentum, was removed. The CA125 level was reduced postoperatively, and a pathologic study confirmed that the mass was a leiomyoma that originated in the uterus.
Uterine leiomyoma can share vessels with the greater omentum. This case highlights the difficulty of diagnosing pseudo-Meigs syndrome and the importance of imaging and laboratory examinations.
Core Tip: We report a case of uterine leiomyoma of the greater omentum with a high serum concentration of CA125 and pseudo-Meigs syndrome. It is rarely seen in this condition. Upon entering the abdomen, up to 5000 mL of yellow ascites was removed by suction. A large solid cystic neoplasm that measured almost 20 cm was found and diagnosed as leiomyoma pathologically later.