Ischemia

Ischemia – Thumb-printing sign The above images demonstrate the “thumb-printing” sign typical of colonic ischemia. It is most notable in the transverse colon on the left image, and the transverse and descending colon on the right image. [Courtesy of...

Diverticular Disease

Mucosal and submucosal herniations through muscular layer of bowel. [Courtesy of Dr. G. Olscamp]

Colon Carcinoma

Classic “apple core” malignant lesion in transverse colon. [Courtesy of Dr. G. Olscamp]