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Upper and lower gastrointestinal endoscopy revealing multiple erosions and ulcers in the stomach (A), duodenum (B), and rectum (C).
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On day 27, massive melena suddenly appeared, and upper and lower gastrointestinal endoscopy showed severe ulcers in the stomach (Fig. 1), duodenum, and rectum.
A) Cytomegalovirus-infected cells with intranuclear inclusion (black arrow) in the mucosa of the rectum (H&E, original magnification, x400). B) Hypoplasia of the bone marrow (H&E, original magnification, x100). H&E, hematoxylin and eosin.
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A pathological autopsy revealed many intracellular inclusions from the jejunum to the rectum, indicating CMV enterocolitis and bone marrow hypoplasia (Fig. 2).