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Breast Needle Biopsy
(Biopsy, Breast Needle; Breast Needle Aspiration; Aspiration, Breast Needle; Fine Needle Aspiration; Aspiration, Fine Needle; Stereotactic Core Needle Biopsy; Biopsy, Stereotactic Core Needle; MRI-guided Breast Biopsy; Biopsy, MRI-guided Breast; Vacuum-assisted Device Biopsy; Biopsy, Vacuum-assisted Device; Ultrasound-directed Needle Biopsy; Biopsy, Ultrasound-directed Needle)
by Editorial Staff And Contributors
Click here to view an animated version of this procedure.
Breast needle biopsy is the removal of a sample of breast tissue using a needle. The sample is examined under a microscope. There are different types of breast needle biopsies:
Reasons for Procedure TOP
Breast needle biopsy is done to examine a suspicious area in the breast. It may be done if any of the following are found:
The biopsy can identify the area as either benign (noncancerous) or malignant (cancerous).
Possible Complications TOP
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:
Some factors that may increase the risk of complications include:
What to Expect TOP
Prior to Procedure
Your doctor may do the following:
Leading up to the biopsy:
You may receive local anesthesia. If this is the case, the area that is being operated on will be numbed.
Description of the Procedure TOP
The doctor will choose from several types of biopsies to get a tissue sample:
The skin over the area will be cleaned. A small needle will be inserted into the breast tissue. Fluid and/or tissue will be removed. The needle may be removed and re-inserted more than one time. After this is done, the doctor will apply pressure to the area and cover the spot with a bandage.
An ultrasound device is used to locate the area where the biopsy needs to be taken. After the location is found, a small needle will be inserted in the breast tissue. Samples of fluid and/or tissue will be removed. A bandage will be applied after the needle is removed.
The doctor may have you lie down on your stomach or sit depending on the equipment being used. Mammogram or ultrasound images will be taken to locate the suspicious area. The doctor will make a tiny cut in your breast and insert a special probe. Using the probe, the doctor will remove several core samples of breast tissue from the area. After this is done, the area will be covered with a bandage.
In some instances, the suspicious area can only be seen using an MRI scan. Because of this, an MRI-guided breast biopsy may be needed. This procedure takes more time. Tell your doctor if you have a cardiac pacemaker. It may affect the procedure.
How Long Will It Take? TOP
It will take less than 1 hour. After the procedure, the tissue collected will be sent to a pathologist who will look at it under a microscope. It may take about 2-5 days to receive the test results.
Will It Hurt? TOP
There will be slight pain in your breast after the biopsy. Your doctor may prescribe pain medication.
Post-procedure Care TOP
Home care will include using medications or taking self-care measures to reduce discomfort. The care staff will give instructions on how to change any bandages. Doing this will help reduce the chance of infection.
Call Your Doctor TOP
Call your doctor if any of these occur:
If you think you have an emergency, call for emergency medical services right away.
Canadian Breast Cancer Network
Canadian Cancer Society
Biopsy. Breast Cancer website. Available at:
...(Click grey area to select URL)
Updated October 7, 2015. Accessed January 29, 2018.
Breast biopsy. American Cancer Society website. Available at: https://www.cancer.org/cancer/breast-cancer/screening-tests-and-early-detection/breast-biopsy.html. Updated October 9, 2017. Accessed January 29, 2018.
Breast cancer in women. EBSCO DynaMed Plus website. Available at: http://www.dynamed.... Updated January 23, 2018. Accessed January 29, 2018.
General information about breast cancer. National Cancer Institute website. Available at: https://www.cancer.gov/types/breast/patient/breast-treatment-pdq. Updated November 2, 2017. Accessed January 29, 2018.
Han BK, Schnall MD, Orel SG, Rosen M. Outcome of MRI-guided breast biopsy. AJR Am J Roentgenol. 2008;191(6):1798-1804.
Heywang-Köbrunner SH, Sinnatamby R, et al. Interdisciplinary consensus on the uses and technique of MRI-guided vacuum-assisted breast biopsy (VAB): results of a European consensus meeting. Eur J Radiol. 2009;72(2):289-294.
Ultrasound-guided breast biopsy. Radiology Info—Radiological Society of North America website. Available at: https://www.radiologyinfo.org/en/info.cfm?pg=breastbius. Updated January 25, 2017. Accessed January 29, 2018.
Last reviewed December 2017 by EBSCO Medical Review Board Mohei Abouzied, MD, FACP
Last Updated: 12/20/2014
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