What Does an Irregular Z-Line on Your Esophagus Indicate?

Jonatan Fernstrom/Cultura / Getty Images Plus/Getty Images

An irregular Z-line in an esophageal ultrasound indicates an incorrect joining with the gastroesophageal junction at the base of the esophagus. Irregular Z-lines often lead to a diagnosis of Barrett's esophagus, according to a study published by the National Institutes of Health.

ADVERTISEMENT