Imaging, Ultrasound & Procedures

Anechoic

What does Anechoic mean?

Completely or nearly black on ultrasound because there are few internal echoes, as often occurs with simple fluid.

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.