What are the possible complications of Zenker diverticulum?

Updated: Oct 16, 2020
  • Author: Joel A Ernster, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Symptoms may last from months to years. The most common life-threatening complication in patients with a Zenker diverticulum is aspiration. Other complications include massive bleeding from the mucosa or from fistulization into a major vessel, esophageal obstruction, and fistulization into the trachea. Coexistent hiatal hernia, esophageal spasm, achalasia, and esophagogastroduodenal ulceration are common. Although the diverticulum can reach sizes of 15 cm or more, it is rarely palpable. [15]

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