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What is True about Schatzki&;s ring and explain in detail?
SCHATZKI'S RINGS They are semicircular protrusion of lower oesophageal mucosa located at or just above the oesophagogastric junction (squamocolumnar junction). Its under-surface is lined by columnar gastric epithelium. * They involve only the mucosa and submucosa of the oesophagus, not the muscle. * They present with dysphagia and reflux Treatment * Intermittent oesophageal bougienage. * Antireflux drugs .ref: SRB&;s manual of surgery,3 rd ed, pg no 749