Histopathological Profile of Caustic Esophageal Strictures on Chronic Endoscopic Dilatation: What is the Safe Limit??
نویسندگان
چکیده
Caustic esophageal injury results from accidental ingestion of corrosive in children and intentional in adults [1]. The common causes are ingestion of strong alkali and highly concentrated acids. Once a stricture is identified, esophageal dilatation is initiated and gradually advanced to relieve dysphagia. Chronic inflammation and fibrosis leads to dysplasia which predisposes the epithelium to develop esophageal squamous cell carcinoma [2]. Chronology and incidence of appearance of carcinoma at the site of stricture, however, is a less well-recognized complication that may develop years after the original injury. There are no data from prospective surveillance programs. This study was conducted to study histopathology changes and dysplasia in caustic esophageal strictures on chronic dilatation.
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