Are there any changes in your breasts? Should we learn about a Core Needle Breast Biopsy?

Sometimes you may feel a small change in your breast, or something like a new lump. Or your doctor may see something different during a test like a mammogram. This is when a test called a 'Core Needle Breast Biopsy' is done to find out for sure whether the change is cancer or not. There's nothing to worry about, let's talk about this simply.

Why do I need a Core Needle Breast Biopsy?

You might be thinking, 'Why on earth would you ask me to do this test?' Well, there could be a few reasons:

• If you or your doctor feels a lump in your breast, sometimes we can feel things like this even when we just touch them, right?
• If your doctor sees something unusual or suspicious during an imaging test you have done, such as a mammogram, breast ultrasound, or breast MRI.

It's in cases like this that doctors tell you to do this biopsy. That's the only way to know exactly what's going on.

How does this Core Needle Breast Biopsy work?

Simply put, this involves inserting a small, hollow, needle through the skin of your breast. This needle is about two millimeters wide, a little more than 1/16 of an inch. Don't worry, you will be given local anesthesia before this is done. This means that only your breast will be numbed. So you won't feel any pain.

Sometimes the doctor may use a spring-loaded tool to insert the needle. This allows the needle to move into the tissue very quickly and then out again. Other times, a suction device attached to the needle may be used. This helps to draw the tissue into the needle. Your radiologist may call this a vacuum-assisted core biopsy .

What is the difference between a Core Needle Breast Biopsy and a Fine-needle Aspiration ?

Both of these are actually needle biopsies. But there is a slight difference. In a fine-needle aspiration , a very thin needle is used to remove a small amount of tissue and fluid. A pathologist then examines the cells, either clusters or single cells, to look for abnormalities, especially cancer cells.

However, Core Needle Breast BiopsyIn one, the pathologist gets to examine whole tissue sections. These are larger samples than the other method. So they can get a clearer, bigger picture of the cells.

How should I prepare for a Core Needle Breast Biopsy?

Your medical team will tell you exactly what to do, but in general, here are some things you should be aware of:

• Tell your medical team about all the medications you are taking. Especially if you are taking medications like aspirin or blood thinners (anticoagulants), you may be asked to stop them a few days before the biopsy.
• Wear comfortable clothing. Wear a soft bra that won't irritate your skin, especially where the biopsy will be performed.
• Plan to take it easy for a day or so after the test. Don't put in a lot of work that day.

What should I expect during a Core Needle Breast Biopsy?

Most core needle biopsies are image-guided . This means that your radiologist uses various imaging machines to pinpoint the location of the suspicious tissue. They also use these machines to guide the biopsy needle. There are several ways in which imaging technology is used:

• Stereotactic breast biopsy: This uses a special mammography machine.
• Ultrasound-guided biopsy: As the name suggests, this uses a breast ultrasound.
• MRI-guided biopsy: This uses a breast MRI.

Okay, now let's see what typically happens during an image-guided core needle biopsy:

1. Your radiologist will position you for the imaging test. For example, for a stereotactic breast biopsy, you will lie face down on an examination table with an opening in your breast.

2. Then they use a mammogram, ultrasound, or MRI to look at the suspicious area.

3. The doctor will clean the skin where the biopsy will be performed and inject a numbing medication into your breast.

4. Then, a small incision is made in the skin and the core needle is inserted.

5. The doctor may take tissue samples from several places in the suspicious area.

6. You may feel a slight push and hear a 'click' sound as each sample is taken.

7. After removing the needle from the breast, they will insert a small metal clip (biopsy marker/clip).It's inside your breast. This marker will show up on any imaging tests you do later. That way, doctors can know exactly where the tissue sample was taken from.

8. Finally, the doctor presses the biopsy site to stop the bleeding and covers the area with a clean, sterile bandage.

How painful is a Core Needle Breast Biopsy?

You won't actually feel any pain from the test. However, you may feel a slight pinching sensation when the doctor takes the sample. However, if you feel any pain, be sure to tell your doctor. They will then inject a little more numbing medicine into the area where the biopsy is being done.

How long does a Core Needle Biopsy take?

The actual test takes about 15 to 20 minutes. However, you will be in the examination room for about an hour. This time varies depending on what type of imaging guidance your radiologist uses.

What should I expect after a Core Needle Breast Biopsy?

You will likely be able to return to work and your daily activities. However, avoid strenuous activities such as running for at least 48 hours after the biopsy. You may also see some bruising where the biopsy was done. This is normal.

What are the risks of Core Needle Breast Biopsy?

Core needle biopsy is a minimally invasive procedure, meaning it doesn't cause any significant harm to the body. Therefore, the risks are very low. However, very rarely, some people may experience complications. For example:

• A breast hematoma is a lump in the breast that forms as a result of bleeding.
• An infection may occur.
• Very rarely , a pneumothorax (collapsed lung) may occur.

What will my results be like?

Pathologists are the doctors who take the breast tissue samples provided by your radiologist and look for signs of cancer. If there are no signs of cancer, the pathologist will write that in their report and inform your doctor.

However, if the biopsy results reveal a cancerous tumor, the pathologist's report to your doctor will include the following:

• Tumor type: A tumor can be noninvasive or invasive. A noninvasive tumor usually does not spread to nearby breast tissue. However, an invasive tumor can spread to nearby breast tissue or other parts of the body.
• Tumor grade:The grade of a tumor indicates how quickly the cancer cells are dividing, as well as how similar the cancer cells are to normal cells. This tumor grade is determined as part of the cancer staging system .
• Hormone receptor status: A test can be done to see if the tumor grows in response to hormones in your body. If so, it is called hormone-receptor positive.
• HER2 status: Some breast cancer cells have a protein called Human Epidermal Growth Factor Receptor 2 (HER2) . This protein helps cancer cells grow and spread.

When will I get the biopsy results?

You can expect to receive test results within one to ten weeks of the biopsy. However, this time frame can vary depending on the testing process. For example, the pathologist may need time to examine multiple samples.

It's true that waiting for biopsy results can be stressful. Your medical team understands this and is happy to answer your questions. It can be helpful to continue your normal routine, do things you enjoy, and share your thoughts with others.

When should I contact my doctor?

Complications from core needle biopsies are rare. However, there is a small risk of infection or a breast hematoma developing at the biopsy site. If you experience any of the following, be sure to contact your doctor:

• If you have a fever of more than 101 degrees Fahrenheit (101°F) or 38.4 degrees Celsius (38.4°C).
• If the skin around the biopsy site is red or darker than your skin color.
• If you feel pain when touching the biopsy site.
• If a large bruise appears and it seems to be spreading.

Can a Core Needle Breast Biopsy Prevent Cancer?

Yes, there is a small chance that this could happen. This means that the biopsy needle could miss the tumor and take a sample from nearby healthy tissue. Doctors call this a false negative report . However, research has shown that false negative results are very rare with core needle breast biopsies.

The most important things you need to remember in this article

Imagine that your annual mammogram shows something different. It may not be serious, but you and your doctor need to do a breast biopsy to find out for sure. Your doctor may recommend a core needle breast biopsy to take a few samples of breast tissue. This is doneIt is a very effective method to confirm whether or not cancer is present, using local anesthesia, and does not take long.

I hope this information will help you feel less nervous about this test. So, don't hold anything back, and ask questions. Your medical team understands what's on your mind and is happy to answer any questions you may have.

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