case_images: PMC10766591_01
case_images: Abdominal CT scan with contrast showed transverse, descending to sigmoid colon wall thickening and significant contrast enhancement supporting colitis with mesenteritis.
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case_images: For further evaluation, we conducted abdominal CT scan with contrast that showed thickening of the transverse, descending to sigmoid colon wall and intense contrast enhancement resembling colitis with mesenteritis (Fig. 1).
case_images: Intraoperative exploratory laparotomy situs: dense adhesional mass involving the sigmoid colon, surrounding ileum, and anterior peritoneum in the left lower quadrant mimicking advanced stage neoplasm (pseudotumor).
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case_images: At laparotomy, we found a dense adhesional mass in the left lower quadrant involving sigmoid colon with adjacent small bowel and peritoneum (Fig. 2).
case_images: Sulfur granules appearance revealed from histopathological examination of sigmoid colon tissue which indicate actinomycose infection.
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case_images: Microscopic findings showed characteristic sulfur granules of actinomycosis colony (Fig. 3).