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J Gastrointest Cancer. 2012 Jun;43(2):367-9. doi: 10.1007/s12029-010-9232-2.

Laparoscopic diagnosis of annular pancreas in a patient with mucinous cystoadenoma of the body of the pancreas.

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  • 1Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA.



Annular pancreas (AP) is a rare anomaly due to malrotation of the pancreatic ventral bud during embryologic development. AP has been extensively described in the pediatric population; however, in adults, the incidence has been reported to be only 1 in 22,000 patients with only a few cases presenting with simultaneous mucinous cystadenoma described in the recent literature.


We report the case of a 72-year-old female patient with a mucinous cystadenoma, who was found to have a concomitant AP during laparoscopic distal pancreatectomy.


The dual presentation of annual pancreas and mucinous cystoadenoma is an infrequent condition and can be managed with minimally invasive techniques; bypass in adults should only be performed in patients with symptomatic duodenal compression or recurrent bouts of pancreatitis.

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