A 28-year-old man has 3 months of bloody diarrhea, urgency, and tenesmus. Colonoscopy shows continuous erythema and friability from the rectum to the

Question

A 28-year-old man has 3 months of bloody diarrhea, urgency, and tenesmus. Colonoscopy shows continuous erythema and friability from the rectum to the sigmoid colon. Biopsy shows mucosal inflammation with crypt abscesses. Which of the following is the most likely diagnosis?

Accepted Answer

Ulcerative colitis

Answer

Crohn disease

Answer

Irritable bowel syndrome

Answer

Ischemic colitis

Answer

Microscopic colitis

Ulcerative colitis — USMLE Step 3 MCQ

A 28-year-old man has 3 months of bloody diarrhea, urgency, and tenesmus. Colonoscopy shows continuous erythema and friability from the rectum to the sigmoid colon. Biopsy shows mucosal inflammation with crypt abscesses. Which of the following is the most likely diagnosis?