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What is Cork screw type of oesophagus on barium swallow is seen in which of the following and explain in detail?
DIFFUSE OESOPHAGEAL SPASM It is characterized by strong non-peristaltic contractions of the body of oesophagus while sphincteric relaxation is normal. Clinical features:- The symptoms consist of dysphagia or odynophagia with substernal chest pain, simulating angina pectoris. Investigations:- Barium swallow may show segmented oesophageal spasms giving a rosary bead or a cork-screw type of oesophagus, though it may be normal in some. Manometry shows normal relaxation of the sphincter on swallowing. Treatment:- The treatment is dilatation of lower oesophagus. Severe cases may require myotomy of oesophagus from the arch of aoa to lower sphincter. Ref:- Dhingra; pg num:-344