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Medical Term:

sentinel node biopsy

 

Definition: biopsy preceded by injection of a dye or radioisotope adjacent to a tumor to identify for excision the primary nodes draining the area; used to determine the presence of lymph node metastasis without removing the entire lymph node basin.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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