Massive small bowel bleeding caused by scrub typhus in Korea

Figure 1 Colonoscopic findings. Multiple ulcerations with bleeding in terminal ileum (arrows).

Figure 2 Abdominal CT findings. Extravasation of contrast dye in small bowel (arrow).

Figure 3 Operative findings. A: Multiple erythematous lesions in the serosal surface of small bowel (white arrows) are found; B: Multiple ulcerations in the luminal surface of small bowel (black arrows) are noted.

Figure 4 Microscopic Features. A: Multifocal flask-shaped ulcers are noted (HE × 40); B: Vasculitis is noted with dense infiltration of lymphocytes within the vessel walls in submucosal layer (PAS × 200).