case_images: PMC6431392_01
case_images: Preoperative computed tomography of the abdomen. (a) The initial scout film shows severely dilated sigmoid colon. (b) Coronal section. (c) Sagittal section.
case_images: CRIS2019-4036823.001.jpg
case_images: PMC6431392_01_CRIS2019-4036823.001.jpg
case_images: fig1
case_images: Abdomen computerized tomography showed distended sigmoid colon with collapsed rectum and no obstruction (Figure 1).
case_images: (a) Megacolon as seen at the time of laparotomy. (b) Submucosal granuloma around eggs in the colonic wall (low power). Colonic mucosa shows chronic inactive colitis, mild with mild crypt distortion. There was no dysplasia or malignancy. (c) Submucosal granuloma around eggs in the colonic wall (high power).
case_images: CRIS2019-4036823.002.jpg
case_images: PMC6431392_01_CRIS2019-4036823.002.jpg
case_images: fig2
case_images: He underwent laparotomy (Figure 2(a)) and extended hemicolectomy of the affected segment, with colorectal anastomosis. The pathology unexpectedly showed chronic schistosomiasis in the colonic wall (Figures 2(b) and 2(c)).