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Sentinel Lymph Node Biopsy
What is it? Overview Usage Side Effects and Warnings
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What is Sentinel Lymph Node Biopsy?

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This biopsy is done to determine if cancer cells have spread from the tumor to nearby lymph nodes. Cancer often spreads from the tumor to the nearest lymph node or nodes. These lymph nodes are called the sentinal nodes. It is important to understand that the sentinel node will probably be the first one to get cancer if the cancer has spread. In the case of breast cancer, the sentinal nodes are often found in the armpit.

Possible Complications

Complications are rare, but no procedure is completely free of risk. If you are planning to have this biopsy, your doctor will review a list of possible complications which may include:

  • Infection
  • Bleeding or bruising
  • Scarring
  • Nerve damage
  • Allergy to dye

If the lymph nodes are removed, there is an increased risk of the following:

  • Delayed wound healing
  • Additional pain
  • Lymphedema (a condition in which fluids collect under the skin causing swelling)

Some factors that may increase the risk of complications include:

  • Obesity
  • Recent or long-term illness
  • Smoking
  • Poor nutrition
  • Use of certain medicines
  • Bleeding disorders

Call Your Doctor

After arriving home, contact your doctor if any of the...

 
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