colonic hemorrhage

Sigmoid colon

haematoma mimicking gastrointestinal stromal tumour. Axial post contrast CT image of the abdomen, in the portal venous phase of enhancement. Exophytic-growing mass with smooth contour, originating from the sigmoid colon, with mucosal ulceration, necrotic areas and air bubbles inside.

Sigmoid colon

haematoma mimicking gastrointestinal stromal tumour. Axial post contrast CT image of the abdomen, in the portal venous phase of enhancement. Bubbles of free air adjacent to the sigmoid colon and to the described lesion.