What accurately describes Mallory-Weiss syndrome?

• A. Transmural esophageal tear
• B. Superficial mucosal tear at the lower esophageal sphincter
• C. Contrast reaction causing esophageal rupture
• D. Acid-induced stricture of the esophagus

Answer: (B)

Mallory-Weiss syndrome is characterized by a superficial tear in the mucosal lining of the esophagus, often occurring at the junction of the esophagus and the stomach, which is typically near the lower esophageal sphincter. This condition usually arises due to excessive vomiting or retching, which can result in the stretching and subsequent tearing of the mucosal layer.

This phenomenon leads to the hallmark symptom of Mallory-Weiss syndrome, which is bleeding. The associated hemorrhage can be significant but is generally self-limiting. The distinction of this syndrome from other esophageal conditions is essential, as it specifically concerns superficial injuries rather than deeper, transmural cuts or ruptures seen in different scenarios. Understanding this helps in the management and treatment approach for patients presenting with hematemesis (vomiting blood) due to Mallory-Weiss syndrome.

The other options involve conditions not aligned with Mallory-Weiss syndrome, such as deeper esophageal injuries or structural changes caused by acid exposure, which do not accurately reflect the nature of the mucosal tears associated with this syndrome.