Colonic intussusception

Department of Radiology, University of Virginia Medical Center, Virginia 22901, USA

Corresponding Author:

Sindhu Kumar
Department of Radiology
University of Virginia Medical Center
Virginia 22901, USA
E-mail: sindhucumar@gmail.com

Abstract

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Keywords

computed tomography, left lower quadrant

Intussusception is the invagination of a bowel loop with its mesenteric fold (intussusceptum) into the lumen of a contiguous portion of bowel (intussuscipiens) (FIGURE 1). It most frequently involves the small intestine, often incidentally seen on routine CT scans and can be transient. Most common cause are due to neoplasm such as colon cancer, lymphoma or metastases. Most common benign cause is Lipoma.

Figure 1: CT scan of Abdomen shows bowel in bowel appearance in the descending colon consistent with intussusception.

65 y old male presents with LLQ pain and constipation. Colonoscopy was attempted but failed as the scope was not able to traverse the area of concern in the descending colon. Surgery revealed colonic intussusception due to lipoma as the lead point (FIGURE 2).

Figure 2: Well defined fat containing mass (lipoma) serving as a lead point in the mid descending colon causing intussusception.