Elderly friend gets diagnosed with a Zenker’s diverticulum
DEAR DR. ROACH: What’s a Zenker’s diverticulum? My 74-year-old friend was diagnosed with it, along with “cricopharyngeal achalasia.” I’ve never noticed any swallowing difficulties before. — S.W. ANSWER: A Zenker’s diverticulum is an outpouching of the esophagus that extends posteriorly toward the spine, at about the level of the thyroid. The muscles there are relatively weak, and a swallowing abnormality can lead the inside of the esophagus to go through the muscular layer around the esophagus, leading to a blind pouch. The cricopharyngeus muscle is the primary muscle ...