Investigation of choice for diagnosis of Zenker's diveiculum is:

Ans. d. Barium swallowInvestigation of choice for diagnosis of Zenker's diveiculum is a barium swallow.It is not a true esophageal diveicula, as it rises above the upper esophageal sphincter (the cricopharyngeal sphincter)Usually seen in patients over 50 years aMC symptom is dysphagia.Undigested food is regurgitated into the mouth, especially when the patient is in the recumbent position.Swelling of the neck, gurgling noise after eating, halitosis, and a sour metallic taste in the mouth are common symptomsCervical webs are seen associated with 50% of patients with Zenker's diveiculum, which can cause dysphagia postoperatively if not treated.