case_images: PMC10773438_01
case_images: Coronal slices of admission CT of the abdomen/pelvis with intravenous contrast: (A) pneumobilia with associated thickening and inflammation of hepatic flexure; (B) large gallstone impacted in descending colon.
case_images: tsaco-2023-001242f01.jpg
case_images: PMC10773438_01_tsaco-2023-001242f01.jpg
case_images: F1
case_images: CT of the abdomen and pelvis with intravenous contrast demonstrated a large bowel obstruction secondary to a cholecystocolonic fistula (CCF) with a 4.5-centimeter stone impacted in the descending colon (figure 1).
case_images: PMC10773438_02
case_images: PMC10773438_03
case_images: Intact, approximately 4.5-centimeter gallstone surgically extracted from sigmoid colon via proximal cololithotomy.
case_images: tsaco-2023-001242f02.jpg
case_images: PMC10773438_03_tsaco-2023-001242f02.jpg
case_images: F2
case_images: A colotomy was made proximal to the point of impaction and a fully intact 4.5-centimeter gallstone removed (figure 2).