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What is a core biopsy for breast cancer?

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During a core biopsy, a doctor will use a larger needle is used to remove a sample of the tissue. The types of this procedure include:

  • Ultrasound-guided core biopsy. A needle is placed into the breast tissue. Ultrasound helps confirm the exact location of the potential trouble spot so the needle is placed correctly. Tissue samples are then taken through the needle. Ultrasound can see the difference between cysts and solid lesions.
  • Stereotactic biopsy. You'll be helped into a position that centers the area to be tested in the window of a specially designed instrument. Mammogram films called SCOUT films are taken so the radiologist can examine the area to be biopsied. Using a local anesthetic, the radiologist makes a small opening in the skin. A needle is placed into the breast tissue, and computerized pictures help confirm the exact placement. Tissue samples are taken through the needle. It's common for the medical professionals to take roughly three to five tissue samples.

SOURCES: The Mayo Clinic. The American Cancer Society.

Reviewed by Laura J. Martin on August 29, 2020

SOURCES: The Mayo Clinic. The American Cancer Society.

Reviewed by Laura J. Martin on August 29, 2020

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What is an open excisional biopsy for breast cancer?

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