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Definition

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:

• Fine needle aspiration
• Ultrasound-directed needle biopsy
• Stereotactic core needle biopsy
• MRI-guided breast biopsy
• Vacuum-assisted device biopsy

Reasons for Procedure

Breast needle biopsy is done to examine a suspicious area in the breast. It may be done if any of the following are found:

• Lump
• Tissue thickening
• Nipple abnormality
• Discharge from the nipple
• Abnormal ultrasound or mammogram image

The biopsy can identify the area as either benign (noncancerous) or malignant (cancerous).

Possible Complications

Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:

• Bleeding
• Infection
• Bruising

Some factors that may increase the risk of complications include:

• Smoking
• Poor nutrition
• Chronic disease such as obesity or diabetes
• Bleeding disorders

What to Expect

Description of the Procedure

The doctor will choose from several types of biopsies to get a tissue sample:

Fine Needle Aspiration

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.

Needle Aspiration Copyright © Nucleus Medical Media, Inc.

Ultrasound-directed Needle Biopsy

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.

Stereotactic Core Needle Biopsy

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.

MRI-guided Breast Biopsy

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.

Vacuum-assisted Device Biopsy

The doctor will insert a needle and use pressure from a vacuum to pull tissue from the mass through the needle. The tissue is then placed into a sampling chamber. This method lets the doctor collect multiple tissue samples during one needle insertion.

Call Your Doctor

Call your doctor if any of these occur:

• Signs of infection, including fever or chills
• Redness, swelling, increasing pain, a lot of bleeding, or discharge from the biopsy site
• Persistent nausea or vomiting
• Pain that you cannot control with the medications you were given
• Cough, shortness of breath, or chest pain
• Pain and/or swelling in your feet, calves, or legs

If you think you have an emergency, call for emergency medical services right away.