A rare case of acute abdomen: spontaneous rupture of degenerated fibroid.

A 29-year-old nulliparous woman presented with an acute abdomen. She had a large uterus with multiple fibroids and was on the waiting list for elective surgery. An urgent CT scan demonstrated an extensive intraperitoneal fluid collection suspicious for fibroid rupture. She required an emergency laparotomy which identified a rupture of the largest degenerative fibroid. There was 2 Litres of pus in the peritoneal cavity. This case was a rare presentation of spontaneous fibroid rupture due to degeneration and necrosis, and acute abdomen from peritoneal irritation. Imaging was vital in making the diagnosis, and urgent surgical intervention was essential to reduce morbidity and mortality.