What To Expect At A Breast Biopsy?

What is a Breast Biopsy

A breast biopsy is a procedure to remove a sample of breast tissue for testing. The tissue sample is sent to a lab, where doctors who specialize in analyzing blood and body tissue (pathologists) examine the tissue sample and provide a diagnosis.

A breast biopsy might be recommended if you have a suspicious area in your breast, such as a breast lump or other signs and symptoms of breast cancer. It can also be used to investigate unusual findings on a mammogram, ultrasound or other breast exam.

The results of a breast biopsy can show whether the area in question is breast cancer or if it’s not cancerous. The pathology report from the breast biopsy can help your doctor determine whether you need additional surgery or other treatment.

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What Do I Need to Do Before My Procedure?

. You will need to have a responsible adult with you to drive you home. It is unsafe and against hospital policy to permit you to drive home after surgery when you have received any medication that might slow your responses, such as anesthesia, pain medication or medication to relieve anxiety.

. Do not eat or drink anything after midnight on the night before your surgery. Any medications that you take routinely should be taken at the usual time with a sip or two of water. People with diabetes, heart disease and other illnesses should contact their primary care doctor for directions. Inform your doctor if you are taking Coumadin or other blood thinning medication.

. Do not take aspirin or aspirin-containing products for 10 days before your surgery. Tylenol is okay. Also, stop taking vitamin E supplements two weeks before your surgery or as soon as possible, although vitamin E in a multivitamin is okay.

. Wear comfortable clothing. Consider wearing a two-piece, loose outfit with a zipper or buttons in front that is really easy to put on. Some women prefer a loose dress with a zipper or buttons in front. Please bring it with you.

. Wear a supportive non-wire bra. A sports bra or a bra with fasteners in the front is best. The bra will provide comfort and support after your procedure. You should wear a bra for three to four days following surgery, even while you sleep. This minimizes post-operative bleeding and will make you more comfortable.

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What You Can Expect During a Breast Biopsy

Several breast biopsy procedures can be used to obtain a tissue sample from the breast. Your doctor may recommend a particular procedure based on the size, location and other characteristics of the suspicious area in your breast. If it’s not clear why you’re having one type of biopsy instead of another, ask your doctor to explain.

For many biopsies, you’ll get an injection to numb the area of the breast to be biopsied.

Types of breast biopsy procedures include:

. Fine-needle aspiration biopsy. This is the simplest type of breast biopsy and may be used to evaluate a lump that can be felt during a clinical breast exam. For the procedure, you lie on a table. While steadying the lump with one hand, your doctor uses the other hand to direct a very thin needle into the lump.

The needle is attached to a syringe that can collect a sample of cells or fluid from the lump. Fine-needle aspiration is a quick way to distinguish between a fluid-filled cyst and a solid mass. It may also help avoid a more invasive biopsy procedure. If, however, the mass is solid, you may need a procedure to collect a tissue sample.

. Core needle biopsy. This type of breast biopsy may be used to assess a breast lump that’s visible on a mammogram or ultrasound or that your doctor feels during a clinical breast exam. A radiologist or surgeon uses a thin, hollow needle to remove tissue samples from the breast mass, most often using ultrasound as a guide.

Several samples, each about the size of a grain of rice, are collected and analyzed. Depending on the location of the mass, other imaging techniques, such as a mammogram or MRI, may be used to guide the positioning of the needle to obtain the tissue sample.

. Stereotactic biopsy. This type of biopsy uses mammograms to pinpoint the location of suspicious areas within the breast. For this procedure, you generally lie facedown on a padded biopsy table with one of your breasts positioned in a hole in the table. Or you may have the procedure in a seated position. You may need to remain in this position for 30 minutes to 1 hour.

If you’re lying facedown for the procedure, the table will be raised once you’re in a comfortable position. Your breast is firmly compressed between two plates while mammograms are taken to show the radiologist the exact location of the area for biopsy.

The radiologist makes a small incision — about 1/4 inch long (about 6 millimeters) — into the breast. He or she then inserts either a needle or a vacuum-powered probe and removes several samples of tissue.

. Ultrasound-guided core needle biopsy. This type of core needle biopsy involves ultrasound — an imaging method that uses high-frequency sound waves to produce precise images of structures within the body. During this procedure, you lie on your back or side on an ultrasound table.

Holding the ultrasound device against the breast, the radiologist locates the mass, makes a small incision to insert the needle, and takes several core samples of tissue.

. MRI-guided core needle biopsy. This type of core needle biopsy is done under guidance of an MRI — an imaging technique that captures multiple cross-sectional images of the breast and combines them, using a computer, to generate detailed 3D pictures. During this procedure, you lie face down on a padded scanning table. Your breasts fit into a hollow depression in the table.

The MRI machine provides images that help determine the exact location for the biopsy. A small incision about 1/4 inch long (about 6 millimeters) is made to allow the core needle to be inserted. Several samples of tissue are taken.

At the time of the breast biopsy procedures noted above, a tiny stainless steel or titanium marker or clip may be placed in the breast at the biopsy site. This is done so that if the biopsy shows cancer cells or precancerous cells, your doctor or surgeon can locate the biopsy area to remove more breast tissue during an operation (surgical biopsy). These clips cause no pain or disfigurement and don’t interfere when going through metal detectors, such as at an airport.

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. Surgical biopsy. During a surgical biopsy, some or all of the breast mass is removed for examination. A surgical biopsy is usually done in an operating room using sedation given through a vein in the hand or arm and a local anesthetic to numb the breast.

If the breast mass can’t be felt, the radiologist may use a technique called wire or seed localization to map the route to the mass for the surgeon. This is done before surgery.

During wire localization, the tip of a thin wire is positioned within the breast mass or just through it.

If seed localization is done, a small radioactive seed will be placed using a thin needle. The seed will guide the surgeon to the area where the cancer is located. The seed is safe and gives off only a very small amount of radiation.

During surgery, the surgeon will attempt to remove the entire breast mass along with the wire or seed. To help ensure that the entire mass has been removed, the tissue is sent to the hospital lab for evaluation. Pathologists working in the lab will work to confirm whether breast cancer is present in the mass. They also evaluate the edges (margins) of the mass to determine whether cancer cells are present in the margins (positive margins).

If cancer cells are present at the margins, you may need another surgery so that more tissue can be removed. If the margins are clear (negative margins), then the cancer has been removed adequately.




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