An Unusual Abdominal Cystic Mass in the Round Ligament of the Uterus: A Case Report

BackgroundCystic tumor of the round ligament is extremely rare. To our knowledge, this is the first case reported in the literature of a round ligament giant serous cystadenoma.CaseA 17-year-old adolescent who presented with massive abdominal swelling and was later identified as a serous cystadenomas of the round ligament with a size of approximately 50 cm. A multidisciplinary team including gynecologist, surgeon, and urologist performed the surgical cyst excision and she has recovered well without any complications.Summary and ConclusionRound ligament serous cystadenomas could grow to any size when there is a diagnosis. In addition, even in unusual locations, round ligament serous cysts should be kept in the differential diagnosis of abdominal masses.