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What is 50 year old male with Gastroesophageal reflux disease- Diagnosis? and explain in detail?
Ans. (b) Columnar metaplasia Histological findings of barrett esophagusMetaplastic columnar epithelium (specialized) with goblet cells is seen adjacent to squamous epithelium of esophagus hence suggestive of columnar metaplasiaLong-segment: Barrett's mucosa extends 3 cm or more. Short-segment: Barrett's mucosa extends less than 3 cm