Sentinel lymph node biopsy

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Sentinel lymph node biopsy
TermSentinel lymph node biopsy
Short definitionSentinel lymph node biopsy - (pronounced) (SEN-tih-nul limf node BY-op-see) Removal and examination of the sentinel node(s) (the first lymph node(s) to which cancer cells are likely to spread from a primary tumor). To identify the sentinel node(s), the surgeon injects a radioactive substance, a blue dye, or both near the tumor. 
TypeCancer terms
SpecialtyOncology
LanguageEnglish
SourceNCI
Comments


Sentinel lymph node biopsy - (pronounced) (SEN-tih-nul limf node BY-op-see) Removal and examination of the sentinel node(s) (the first lymph node(s) to which cancer cells are likely to spread from a primary tumor). To identify the sentinel node(s), the surgeon injects a radioactive substance, a blue dye, or both near the tumor. The surgeon then uses a probe to find the sentinel lymph node or nodes that contain the radioactive substance, or looks for the lymph nodes stained with dye. The surgeon then removes the sentinel knot(s) to check for the presence of cancer cells

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