sentinel lymph node


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sentinel lymph node

the 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.

sen·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 node

Sentinel lymph node

The 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 Cancer
References in periodicals archive ?
A multiple-choice electronic survey was designed to assess protocols used in the processing of sentinel lymph node specimens (Table).
Our case highlights one of the confounding complications of sentinel lymph node biopsy with methylene blue dye.
The sentinel lymph node concept in prostate cancer - first results of gamma probe-guided sentinel lymph node identification.
Most (62%) had undergone a lumpectomy, and 73%, a sentinel lymph node biopsy.
Sentinel lymph node biopsy in early breast cancer surgery working with the risks of vital blue dye to reap the benefits.
Ultrasonography and fine-needle aspiration cytology can spare breast cancer patients jnnecessary sentinel lymph node biopsy.
By further promoting the intraoperative diagnosis of sentinel lymph node the company will contribute to improve diagnostic efficiency and accuracy thus contributing to the patients' quality of life.
Sentinel lymph node biopsy (SLNB) is a technique that is widely used in the management of early breast cancer.
Involvement of the sentinel lymph node by MALT lymphoma was demonstrated with no evidence of metastatic carcinoma.
Veronesi and coworkers found the false-negative rate for sentinel lymph node biopsy was 3.