Glossary Term:

Title

needle aspiration

Phonetic

<b>need</b>-ul <b>asp</b>-er-<b>A</b>-shun

Description

to draw out a liquid, gas, or tissue fragments using suction. In this procedure, a needle is used to reach the cyst or tumor, and with suction, draw up (aspirate) samples to be looked at under a microscope. See also biopsy, needle biopsy.