Mesenteric ischemia and protein S deficiency: a rare case report.

We present an unusual case of a 31-year-old nulliparous woman who was in her normal state of health until 3 weeks before her Emergency Department visit, when she began to have generalized abdominal pain that got acutely worse over a few days. She had a soft abdomen, but complained of excruciating pain. Her computed tomography (CT) scan revealed thrombosis in the superior mesenteric, splenic, and portal veins.