Bird beak appearance on barium swallow study in seen in -: (A) Achlasia cardia, (B) Carcinoma esophagus, (C) Hiatus hernia, (D) Diffuse esophageal spasm
Answer is A. Ans. is 'a' i.e., Achlasia cardia o ''Bird beak appearance on barium study is seen in achlasia cardia.Important esophageal signsSignConditionRat tail appearance of esophagus MaharashtraEsophageal carcinomaMegaesophagus (sigmoid esophagus)"Bird beak" appearanceHurst phenomenonAchalasia cardiaYo-Yo motion of barium "Corkscrew" appearance(esophageal curling)Rosary-bead/sheikh kebab configurationChain of bead appearanceDiffuse esophageal spasm