| 释义 |
sentinel lymph node
sentinel lymph nodethe first lymph node to receive lymphatic drainage from a malignant tumor; the sentinel nodes are identified as the first to take on a radionuclide or dye injected into the tumor; increasingly used in operations for melanoma and breast cancer; if the sentinel nodes are free of metastasis, more distal nodes are usually also free.
See also: signal lymph node. Synonym(s): sentinel gland, sentinel nodesen·ti·nel lymph node (sen'ti-nĕl limf nōd) The first lymph node to receive lymphatic drainage from a malignant tumor; the sentinel node is identified as the first to take up a radionuclide or dye injected into the tumor; increasingly used in operations for melanoma and breast cancer; if the sentinel node is free of metastasis, more distal nodes are also free.
See also: signal lymph nodeSentinel lymph nodeThe first lymph node to receive lymph fluid from a tumor. If the sentinel node is cancer-free, then it is likely that the cancerous cells have not metastasized.Mentioned in: Vulvar CancerSee SLN
See SNL |