True about Schatzki&;s ring
Has skeletal muscle
Located at lower esophagus
Causes dysphagia
Contain all layers of oesophagus
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
G.I.T