Laparoscopic Excision of the Retroperitoneal Mullerian Cyst in a Different Location

BackgroundHerein, we report laparoscopic excision of a retroperitoneal Mullerian cyst, which is uniquely located medial to the left adrenal gland, mimicking adrenal adenoma in an adolescent girl.CaseA healthy 13-year-old adolescent girl presented with secondary amenorrhea. Ultrasound and magnetic resonance imaging showed a solid-cystic mass medial to the left adrenal gland. Laparoscopic cyst excision was performed. The histopathological findings were consistent with a benign cyst of Mullerian origin.Summary and ConclusionTo the best of our knowledge, this is the first case report of Mullerian cyst located medial to the adrenal gland in all age groups.