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CT Findings for Postsurgical Blind Pouch of Small Bowel

Kumaresan Sandrasegaran1, Dean D. T. Maglinte1, Arumugam Rajesh2, Mark Tann1 and Kenyon K. Kopecky3

1 Department of Radiology, Indiana University School of Medicine, UH 0279, 550 N University Blvd., Indianapolis, IN 46202-5253.
2 Department of Radiology, Leicester Royal Infirmary, Leicester, England.
3 Department of Radiology, Community North Hospital, Indianapolis, IN.



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  		Fig. 1 —Blind pouch formation. Drawing shows development of blind pouch after side-to-side enteroenterostomy. Arrows show direction of peristalsis, which fills rather than empties pouch. Dotted line shows contour of bowel immediately after surgery, before development of blind pouch. (Reprinted with permission from Indiana University Trustees, Office of Visual Media).

 


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  		Fig. 2 —Typical CT appearance of blind pouch, as shown on axial CT image of 51-year-old woman with small-bowel resection and anastomosis for gastrointestinal stromal tumor. Image shows ovoid loop of distended small bowel (black arrow), adjacent to surgical sutures (arrowheads). There is no dilatation of proximal bowel (white arrows).

 


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  		Fig. 3A —Multiple blind pouches, as shown on axial CT images of 34-year-old woman with lymphoproliferative disorder after bone marrow transplantation for Fanconi anemia. She had multiple prior intestinal resections and anastomoses. Two blind pouches (arrows) are adjacent to surgical clips (arrowheads). CT scans 7 (A) and 13 (B) months after last surgical procedure show enlargement of blind pouch with time.

 


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  		Fig. 3B —Multiple blind pouches, as shown on axial CT images of 34-year-old woman with lymphoproliferative disorder after bone marrow transplantation for Fanconi anemia. She had multiple prior intestinal resections and anastomoses. Two blind pouches (arrows) are adjacent to surgical clips (arrowheads). CT scans 7 (A) and 13 (B) months after last surgical procedure show enlargement of blind pouch with time.

 

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