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Vol. 44. Issue 1.
Pages 37-38 (January 2021)
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Vol. 44. Issue 1.
Pages 37-38 (January 2021)
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Obstructive jaundice secondary to duodenal diverticulum (Lemmel's syndrome)
Ictericia obstructiva secundaria a diverticulo duodenal (sindrome de lemmel)
Fernando Daza
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Corresponding author.
, Daniel Andrade, Silvia Cárdenas
University of Buenos Aires, Diagnóstico Maipú, Avenue Maipú 1668, PC 1638, Buenos Aires, Argentina
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Lemmel's syndrome is an uncommon pathology first described in 1934,1 and is defined as an obstructive jaundice caused by a periampullary duodenal diverticulum compressing the intra-pancreatic part of the common bile duct resulting in upstream dilatation of the extra- and intra-hepatic bile ducts.2

A 74-year-old woman presented to the emergency department without any significant past medical history. The patient was being studied by the surgery department after having suffered several episodes of abdominal pain in the right hypocondrium, fever and jaundice. In addition, alkaline phosphatase, serum aspartate aminotransferase (AST), alanine transaminase (ALT), and bilirubin metabolites were all elevated.

Ultrasound revealed intra- and extra-hepatic biliary ductal dilatation, without apparent cause. The patient underwent an magnetic resonance cholangiopancreatography (MRCP) which proved dilatation of the biliary tract as well as a large duodenal diverticulum with an air-fluid level in its interior that was displacing and compressing the main biliary tract (Fig. 1), with no images suggesting cholelithiasis or choledocholithiasis; this finding was consistent with a subsequent CT study (Fig. 2). Other causes of obstruction of the bile duct were not recognized. These findings were compatible with lemmel syndrome.

Figure 1.

(A) T2-weighted coronal MR images of the abdomen and (B) MRCP with maximum intensity projection (MIP) demonstrated improved visualization of the dilated intra and extrahepatic bile ducts and pancreatic duct (arrow heads) caused by duodenal diverticulum (white arrow).

Figure 2.

Contrast enhanced coronal CT, in which a duodenal diverticulum (black arrow) with air fluid level is observed (arrow head). Secondary dilatation of the common bile duct (white arrow).

Conflict of interest

The authors declare that they have no competing interest.

G. Lemmel.
Die klinische Bedeutung der Duodenaldivertikel.
Digestion, 56 (1934), pp. 59-70
K. Desai, J.D. Wermers, N. Beteselassie.
Lemmel syndrome secondary to duodenal diverticulitis: a case report.
Cureus, 9 (2017), pp. e1066
Copyright © 2020. Elsevier España, S.L.U.. All rights reserved
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