Diagnostic Procedure
lymphatic mapping Audio
lym·phat·ic map·ping [ lim-fa-tik ma-ping ]
Definitions related to lymphatic mapping:
  • The use of dyes and radioactive substances to identify lymph nodes that contain tumor cells.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (lymph node mapping) Lymph Node mapping, also known as sentinel lymph node (SLN) mapping is a procedure in which a radioactive tracer and a blue dye is injected around the tumor site. These two substances travel from the tumor and drain into the sentinel, or main, lymph node. Together they provide a marker for the location and presence of a sentinel lymph node, allowing discovery of minute metastases areas.
    NCI
    U.S. National Cancer Institute, 2021
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