In Zenker's diverticulum, a bulge or a pouch forms at the top of the esophagus, as shown in the image on the far right. A typical esophagus is shown on the left.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Mayo Clinic researchers drive discoveries that improve detection, diagnosis and treatment. Your quick message to them means so much.