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Syndrome reference sheet
Generated 12 Oct 2026
Gastroenterology · Gastroenterology / Biliary disease

Lemmel syndrome

Also known as: Periampullary duodenal diverticulum syndrome

Obstructive jaundice from a periampullary duodenal diverticulum.

Medical specialty
Gastroenterology
Subspecialty
Gastroenterology / Biliary disease
Sex & age distribution
Male: affected; Female: affected; Children: no
Gene(s) involved
None recorded

Etiology & mechanism

Mechanical compression of the distal bile duct.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (4)

abdominal paincholangitisjaundicepancreatitis
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.