Esophagus
Barrett Esophagus-I: Introduction
Barrett Esophagus-II: Clinical Manifestations and Management
Esophageal Strictures-I: Introduction
Esophageal Achalasia
Gastroesophageal Reflux Disease
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Updated: May 30, 2026

A Novel Procedure for Evaluating the Reinforcing Properties of Tastants in Laboratory Rats: Operant Intraoral Self-administration
Published on: February 6, 2014
Matthew E Cohen1, Jeffrey G Kegel
1Department of Medicine, The Hospital of Saint Raphael, Yale University School of Medicine, New Haven, CT, USA. mchen@gastrocenter.org
Thermal injury to the esophagus can cause a "candy-cane" appearance. This case highlights that smoking freebase cocaine can lead to this condition, mimicking cardiac pain and emphasizing its importance in chest pain evaluation.
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