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What Is Extranodal Extension?

What Is Extranodal Extension?

December 14, 2021
Everett Bonner, MD
Everett Bonner, MD

Breast Surgery

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Transcript

Women during their surgery may need complete removal of the axillary lymph nodes on the side of the cancer. Usually, those indications, if they’re clinically positive, or if you have matted or grossly suspicious lymph nodes or, during your sentinel biopsy, we find multiple lymph nodes that are positive with disease, one of the things we look at is the extra nodal extension.

 

What that means is, has the disease got into the lymph node and is starting to spread outside the lymph node in the surrounding tissues. Those are the patients that really need what we call an axillary lymph node dissection, which is removal of the lymph nodes that drain the breast and lymph nodes that are in the underarm.

 

Key Takeaways

1. During surgery, you may need complete removal of the axillary lymph nodes on the side of the cancer.

2. One of the things we look at is the extranodal extension to see if the disease got into the lymph node and is starting to spread outside the lymph node in the surrounding tissues.

3. If it has, those patients need an axillary lymph node dissection, which is removal of the lymph nodes that drain the breast and the lymph nodes that are in the underarm.