What is pseudoachalasia?

Updated: Dec 29, 2017
  • Author: Eric A Gaumnitz, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
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Pseudoachalasia is a term used to describe the clinical picture of gastroesophageal junction obstruction, most classically by tumor. This condition is present in as many as 5% of patients with the manometric and radiologic diagnosis of achalasia. This clinical presentation is more likely to occur with rapidly progressive disease (< 1 y), older age of onset (>50 y), and profound weight loss. Tumor infiltration, especially involving the gastric fundus, mimics the functional impairment observed with idiopathic achalasia.

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