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Mercy Breast Clinic

Private Service, Breast, Radiology

Sentinel Node Biopsy

A sentinel node procedure is performed when specialists suspect cancer may have spread to a patient's lymph nodes.

This involves a:

  • Sentinel Node Study
  • Sentinel Node Biopsy – During the procedure, a surgeon will study the sentinel node or nodes –or first few nodes – that filter fluid away from the breast. If there are cancer cells in the lymphatic system, the sentinel node is the most likely to contain them. If the sentinel node is clear of cancerous cells, there’s a good chance the other nodes are free of cancer too.

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This page was last updated at 1:34PM on September 22, 2021.