Glossary Term:

Title

sentinel lymph node biopsy

Phonetic

<b>sen</b>-tin-uhl

Description

sometimes abbreviated SNLB. A procedure that is used instead of routine lymph node dissection (removal) for some cancer types, Blue dye and/or a radioisotope is injected into the tumor at the time of surgery and the first (sentinel) node that picks up the dye is removed and biopsied. If the node does not contain cancer, fewer nodes are removed. See also biopsy, lymph node, lymph node dissection, radioisotope.