rare cause of pneumoperitoneum - a ruptured infected endometriotic cyst

Pneumoperitoneum is a surgical emergency that results from gastrointestinal tract perforation, most commonly perforation of the duodenum caused by peptic ulcer. It rarely results from nonsurgical causes. We present a case of rupture infected endometriotic cyst that was presented as acute abdomen with pneumoperitoneum in which exploratory laparotomy was done with salpingooophrectomy