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Related Experiment Video

Updated: Mar 14, 2026

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

Laparoscopic Choledochal Cyst Excision and Roux-en-Y Choledochojejunostomy in Adults

Published on: February 28, 2025

Juxtapapillary Duodenal Diverticulum Impacted with Enterolith.

Tsutomu Namikawa¹, Yasuhiro Kawanishi², Kazune Fujisawa²

¹Department of Surgery, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan. tsutomun@kochi-u.ac.jp.

Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract

|September 23, 2016

Summary

A rare enterolith, or calculus, was found in a duodenal diverticulum in a patient with altered anatomy after gastrectomy. This is the first reported case of a duodenal enterolith in a juxtapapillary diverticulum following this type of surgery.

Keywords:

Enterolith Juxtapapillary duodenal diverticulum Surgically altered anatomy

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Application of Robot-assisted Pancreaticobiliary Junction Resection in Benign Duodenal Tumors

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Published on: December 20, 2024

Area of Science:

Gastroenterology
Surgical Oncology
Pathology

Background:

A 64-year-old man with a history of gastric cancer and MALT lymphoma underwent distal gastrectomy.
Follow-up imaging revealed a duodenal mass, initially suspected as MALT lymphoma recurrence.

Observation:

Computed tomography (CT) showed a 2.2 cm mass between the duodenum and pancreas.
Endoscopy was limited by Roux-en-Y reconstruction anatomy.
Surgical resection was performed for suspected MALT lymphoma relapse.

Findings:

The resected mass was an enterolith (calculus) within a juxtapapillary duodenal diverticulum.
The calculus measured 2.2 x 2.1 x 2.1 cm with a layered structure.
This is the first reported case of a duodenal enterolith in a juxtapapillary diverticulum secondary to altered anatomy after gastrectomy.

Implications:

Highlights the importance of considering unusual diagnoses in patients with complex surgical histories.
Underscores the challenges in diagnosing gastrointestinal pathology after altered anatomy.
Contributes to the literature on rare gastrointestinal conditions and their association with prior surgery.