Toothpick impaction with sigmoid colon pseudodiverticulum formation successfully treated with colonoscopy

Figure 2 Initial abdominal CT shows severe wall thickening, pericolic fat infiltration and peritoneal thickening in the distal sigmoid colon. In the serosal surface, a small air-containing cavity lined by thin epithelium (arrow) is noted, which is consistent with a pseudodiverticulum.