PMC5541756_01
Colonoscopy revealing (A) maroon-colored clotted blood in the rectum, (B) cratered, ulcerated mucosa in the cecum, (C) an ulcer in sigmoid colon, and (D) an ulcer in splenic flexure.
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F1
A colonoscopy after appropriate resuscitation showed maroon-colored clotted blood in the rectum along with diffuse, extensive areas of cratered, ulcerated mucosa in the cecum and the ascending, transverse, descending, and sigmoid colon areas (Figure 1).
Biopsy showing plump histiocytes containing intracytoplasmic yeast forms.
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F2
Biopsies revealed prominent mucosal and submucosal infiltrate of the plump histiocytes containing intracytoplasmic yeast forms, morphologically compatible with the histoplasma species seen on the periodic acid schiff stain (Figure 2).