Role of Endoscopy in Diagnosing GERD & Barrett’s Esophagus

chronic fibrosis, esophageal ulcer or stricture. Stage 5: Barrett’ esophagus. Hetzel Dent Classification. Grade 0: normal mucosa. Grade 1: mucosal edema, hyperemia and friability. Grade 2: superficial erosions involving less than 10% of the distal 5 cm of esophageal mucosal surface. Grade 3: superficial erosions and ulcerations 10-50 % of ... ................
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