Giant uterine leiomyoma: Not all pediatric pelvic masses are ovarian

Uterine leiomyomas are rare in the adolescent population with only 19 reported cases in the literature. Interestingly, these masses represent a common presentation of gynecologic tumors with increasing age. We report a case of a 15-year-old female who presented with six months of abdominal pain and loose stools. Menstruation began at 11 years of age and she had no gravida history. Workup with ultrasound demonstrated a large pelvic mass presumed to be of ovarian origin. Diagnostic laparoscopy was performed identifying a large uterine mass. An open Pfannenstiel incision was made for complete resection. The mass weighed 526 g and was 11 × 9 × 9cm.The patient remains asymptomatic at 6 month follow up.