A 28-year-old woman is admitted to hospital for a 1-month history of diarrhea with occasional blood. During admission, she develops peritonitis and dies. Autopsy shows a punctate opening in a thickened loop of small bowel. There are several lengths of small and large bowel that demonstrate intraluminal fibrotic strictures. A photomicrograph of a section of colon is shown.
Which of the following is the most likely explanation for these findings?
Crohn disease
Ulcerative colitis
Ischemic colitis
Mesenteric ischemia
Mesenteric venous thrombosis