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Mallory-Weiss Tear in the Duodenum.

Jay S Chouhan¹, Yezaz A Ghouri¹, Katherine A Jelinek²

¹Department of Internal Medicine, University of Texas Health Science Center, Houston, TX.

ACG Case Reports Journal

|July 10, 2015

Summary

This study reports the first known case of a Mallory-Weiss tear occurring in the duodenum, not the typical gastroesophageal junction. This finding expands understanding of upper gastrointestinal mucosal lacerations after forceful retching.

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Area of Science:

Gastroenterology
Internal Medicine
Clinical Case Reports

Background:

Mallory-Weiss tears are common mucosal lacerations.
These tears typically occur at the gastroesophageal junction.
Duodenal Mallory-Weiss tears have not been previously documented.

Observation:

A 57-year-old male patient presented with hematemesis.
The hematemesis was preceded by episodes of forceful retching.
Endoscopic examination revealed a mucosal tear in the descending duodenum.

Findings:

The study presents the first documented case of a Mallory-Weiss tear in the descending duodenum.
Pathophysiological mechanisms for duodenal injury are discussed in comparison to typical gastroesophageal tears.
The tear was attributed to the forceful retching experienced by the patient.

Implications:

This finding expands the known anatomical locations for Mallory-Weiss tears.
It suggests that duodenal mucosal integrity can be compromised by similar mechanisms causing gastroesophageal tears.
Further research may elucidate the specific factors predisposing the duodenum to such injuries.