Diffuse esophageal dilatation on barium swallow is seen in – a) Achlasiab) Trypanosomiasisc) Etidronate therapyd) Scleroderma
High-Yield Explanation
Diffuse esophageal dilatation is seen in -
i) Primary achalasia Achalasia cardia
ii) Secondary achalasia Chaga's disease (trypanosomiasis), MEN, Triple 'A' (Allgrove's) syndrome, cancer invading LES (Pseudoachalasia).