Which of the following is investigation of choice for Zenker's diveiculum?
When suspected, the diagnosis is established by a barium swallow.. Endoscopy is usually difficult in the presence of a cricopharyngeus diveiculum and potentially dangerous, owing to the obstruction of the true esophageal lumen by the diveiculum and the associated risk of diveicular perforation. Ref: Schwaz 9/e, Page 848.
CECT
Endoscopy
Esophageal manometry
Barium swallow