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Duodenal Diverticulum:  Case Report of a Perforated Extraluminal Diverticulum Containing Ectopic Pancreatic Tissue

Japa Volchok, DO; Tareq Massimi, MD; Sarah Wilkins, MD; Eugene Curletti, MD
Arch Surg. 2009;144(2):188-190. doi:10.1001/archsurg.2008.532.
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Ectopic pancreatic tissue within a duodenal diverticulum has not been previously described in the English-language literature, to our knowledge. We report a case of a 52-year-old woman who presented with a perforated duodenal diverticulum after upper endoscopy. Operative resection and repair of the perforated diverticulum was performed, and, on microscopic examination, ectopic pancreatic tissue was found within the diverticulum.

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Figure 1.

Computed tomographic image demonstrating air surrounding the second portion of the duodenum (circled area).

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Figure 2.

Ectopic pancreatic tissue within the wall of an extraluminal duodenal diverticulum (circled area) (hematoxylin-eosin, original magnification ×4).

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Figure 3.

High-power view of ectopic pancreatic tissue demonstrating pancreatic acinar structures and ducts with a paucity of islet tissue consistent with heterotopic pancreas (hematoxylin-eosin, original magnification ×40).

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