Abstract
Background: This article reports on one case of epidermal cyst (EC) of the round ligament (RL), in which imaging procedures were helpful for establishing a preoperative diagnosis. Case: A 30-year-old female was referred to the authors' institution with abdominal pain. The ultrasonography showed a hypoechoic, heterogeneous round mass adjacent to the uterine extremity of the left ovary, with a maximum diameter of 4.5 cm. Computed tomography revealed a round (6 cm maximum diameter) pelvic mass in the left side of the uterus, superiorly to the omolateral ovary. Laparoscopic resection of the mass was performed. Macroscopically, the mass measured 6 cm × 6 cm × 3.5 cm and had a smooth external surface. On cut section, the mass was shown to be a unilocular cyst, and the cavity was filled with soft, yellow, amorphous material. Histologically the lesion was lined by a stratified squamous epithelium. The cavity contained keratin material. After 20 months of follow-up, the patient was healthy without any symptoms of a recurrent tumor. Conclusions: If a pelvic mass is encountered adjacent to an ovary an EC of the RL should be included in the differential diagnosis. Imaging procedures may show the benign nature of the mass and the lesion may be removed with a minimally invasive laparoscopic approach. (J GYNECOL SURG 26:289)
Published Version
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