Fine-Needle Aspiration Biopsy of the Breast

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Fine-needle biopsy of the breast, showing needle inserted into breast.

Based on a photograph courtesy of the National Cancer Institute. All rights reserved. Available online: http://visualsonline.cancer.gov

In a fine-needle aspiration biopsy of the breast, your doctor inserts a thin needle into a lump and removes a sample of cells or fluid. The sample is examined under a microscope.

Current as of: August 22, 2019

Author: Healthwise Staff
Medical Review: Sarah A. Marshall, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Laura S. Dominici, MD - Surgery, General Surgery, Oncology