case_images: PMC10687792_01
case_images: Gross findings of the colon revealing multiple necrotizing lesions with well-defined edges.
case_images: autopsy-13-e2023456-g01.jpg
case_images: PMC10687792_01_autopsy-13-e2023456-g01.jpg
case_images: gf01
case_images: The gross examination of the gastrointestinal tract revealed the involvement of the entire colon by many necrotizing lesions and ulcers, sometimes with a flask-shaped appearance extending from the cecum to the rectum (Figure 1).
case_images: Photomicrographs of the colonic ulcers. A
  - showing amebic trophozoites with foamy cytoplasm with round eccentric nuclei (arrowhead) resembling macrophages. (H&E, 400X); B  - Periodic Acid-Schiff (400X) (arrowhead).
case_images: autopsy-13-e2023456-g02.jpg
case_images: PMC10687792_01_autopsy-13-e2023456-g02.jpg
case_images: gf02
case_images: Amebic trophozoites were found at the ulcers' edges, together with mild mononuclear inflammation (Figure 2A). Red blood cells were phagocytized by the trophozoites, which were stained by Periodic Acid-Schiff (PAS) (Figure 2B).