WHAT IS ZENKER’S DIVERTICULUM?

Diverticulum is a medical term that refers to an abnormal structure such as a sac. Diverticula can form almost anywhere in the digestive tract. Zenker's diverticulum is a sac that develops in the hypopharynx, usually between the cricopharyngeus (CP) and the inferior pharyngeal constrictor muscle. Zenker's diverticulum only involves the mucosa and