In which of the following conditions uniform dilation of esophagus is seen -: (A) Scleroderma, (B) Achalasia cardia, (C) Dermatomysitis, (D) All
Answer is B. Ans. is 'b' i.e., Achalasia cardia Achalasia cardia Achalasia cardia is a motor disorder of the esophageal smooth muscle, characterized by ? 1. Aperistalsis 2. Failure of relaxion of the LES with swallowing 3. Increased resting tone of LES