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Updated: Jan 21, 2026

Partial Bile Duct Ligation in the Mouse: A Controlled Model of Localized Obstructive Cholestasis
Published on: March 28, 2018
Duodenal and Bile Duct Narrowing Due to Partial Annular Pancreas: A Rare Association
Suhas Udgirkar1, Sanjay Chandnani1, Vinay Zanwar2
1Registrar, T.N.M.C and B.Y.L. Nair Hospital, Mumbai, Maharashtra.
Abstract:
Annular pancreas consists of a ring of pancreatic tissue partially or completely encircling the descending duodenum. It is an unusual congenital anomaly rarely detected in adult life. Gastric outlet obstruction is most common presentation mainly in 2nd or 3rd decades of life. We are reporting an unusual association of partial annular pancreas - a dilated biliary system due to distal common bile duct (CBD) stricture without features of pancreatitis or underlying malignancy which is rare and not reported previously .Our patient also had gastric outflow obstruction. This may be explained by the pancreatic tissue encircling the duodenum at the level where CBD joins the papilla causing dilated CBD and duodenal stenosis.
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