Zenker’s Diverticulum: What is it and How do you Treat it? Zenker’s Diverticulum is a rare, benign throat disorder seen mainly in elderly people. It is an outpouching that develops in a weakened area at the back of the throat. Although Zenker’s Diverticulum is the most common type of esophageal diverticulum, the true incidence is difficult to determine because so many people with the disorder have no symptoms. Studies have reported statistics showing an annual incidence of 300,000 cases of Zenker’s Diverticulum in the US,...