Imaging, Ultrasound & Procedures

Shadowing

What does Shadowing mean?

A dark ultrasound area behind a structure that strongly blocks or reflects the sound beam, such as a gallstone.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.