Bird beak appearance is 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 Important esophageal signs on radiographySignConditionRat tail appearance of esophagusEsophageal carcinomaMega-esophagus (sigmoid esophagus)"Bird beak" appearanceHurst phenomenonAchlasia cardiaYo-Yo motion of barium"Corkscrew" appearance (esophageal curling)Rosary-bead/sheikh kebab configurationChain of bead appearanceDiffuse esophageal spasm