We perform a breast biopsy at our Beverly Hills center serving Greater Los Angeles to identify the nature of a lump in the breast by removing a small sample of breast tissue for laboratory testing. This diagnostic procedure is the best way to evaluate a suspicious area to determine if it is cancerous.

What Is a Breast Biopsy?

Breast biopsy involves the removal of tissue or fluid from the area of a lump. The cells are then examined under a microscope and further tested to check for breast cancer. Noninvasive breast screening measures can detect a suspicious growth within the breast, but a biopsy is the only way to identify a potential malignancy.

The pathologist studies the sample to determine if cancerous cells are present and, if so, to evaluate their specific characteristics. Only about 20% of biopsies of American women are cancerous.

There are 3 types of breast biopsy procedures:

  • Fine-needle aspiration biopsy
  • Core-needle biopsy
  • Surgical biopsy

The core-needle and surgical biopsy are the most commonly used breast biopsy procedures.

To learn more about breast biopsy, please visit medlineplus.gov

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If your wound feels lumpy or hard post-procedure, this is totally NORMAL and EXPECTED!

If your wound feels lumpy or hard post-procedure, this is totally NORMAL and EXPECTED!

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What Determines the Type of Biopsy Performed?

Several factors help the doctor decide which type of biopsy to recommend, including how suspicious the lump looks, its size and location, the number of lumps present, and any additional medical problems you might have. Your doctor can explain the advantages and disadvantages of the different procedures.

Before scheduling a biopsy, your doctor should tell you:

  • The results of your mammogram or any tests that indicate the need for a biopsy
  • The location on your breast where the biopsy will be performed
  • When and how you will receive the results of your biopsy
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Dr. Richardson and Dr. Memsic are two of the top breast surgeons in Los Angeles, using innovative techniques to create excellent clinical and aesthetic outcomes.

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What Is a Fine-Needle Aspiration Breast Biopsy?

A fine-needle aspiration biopsy uses a very thin needle attached to a syringe to withdraw tissue or fluid from a suspicious area. Your doctor may choose to conduct a fine-needle aspiration when the lump is easily accessible or if they suspect that it may be a fluid-filled cystic lump.

During this type of breast biopsy procedure, the lump should collapse once the fluid inside has been drawn and discarded. An ultrasound may sometimes be used to help your doctor guide the needle to the exact site.

A fine-needle aspiration biopsy can sometimes miss a cancer diagnosis if the needle doesn’t get a sample from the precise area of the cancer cells. A second or a different biopsy method should be done if the results do not provide a clear diagnosis.

What Is a Core-Needle Breast Biopsy?

A core-needle biopsy is like a fine-needle biopsy but uses a slightly larger, hollow needle to remove a small amount of tissue from an abnormal area in the breast. It is usually performed under local anesthesia, meaning you are awake, but the breast is numbed.

The needle is typically inserted between 2 to 6 times to collect multiple samples. Specialized imaging equipment, such as an ultrasound, may be used to guide the needle accurately to the target site.

Some bruising can occur, but this procedure usually does not leave scars on or inside the breast. Fewer side effects are associated with core-needle biopsy than with surgical biopsy.

“Highly highly recommend this center. I have had multiple mammograms here over the years but I recently had to have a procedure there called a vacuum extraction biopsy and the whole experience was a pleasure (as far as medical procedures go.) I was seen by [the PA], who was absolutely lovely, caring and an excellent practitioner from the consultations, in-house procedure and follow ups. It was easy and quick and I had minimal to zero pain and discomfort after. The medical assistants were also so kind and friendly and efficient, I would give this place 6 stars if I could.”

Stacey K. – Yelp

What Is a Surgical Breast Biopsy?

Most healthcare providers will first try a needle biopsy, but a surgical biopsy may sometimes be necessary. During this procedure, the surgeon makes the smallest incision possible to extract all or part of the lump and often a margin of normal tissue from around it.

A surgical biopsy is performed under local anesthesia, meaning the patient is awake, but the breast is numbed. Since surgical biopsies are more invasive than a needle biopsy, they typically require stitches and leave a scar.

Once the biopsy is complete, a pathologist examines the tissue or fluid samples under a microscope, looking for abnormal or cancerous cells. The pathology report, which provides a detailed account of the pathologist’s findings, can take 1 to 2 weeks to complete and will be sent to your doctor. Your doctor will review the report with you. Treatment options will be discussed if the biopsy results in a cancer diagnosis.

A breast biopsy is typically a simple procedure that can put your mind at ease concerning a suspicious mammogram or a newly discovered breast lump. Remember that most breast lumps are benign. If yours is not, early detection is the key to the best outcomes, and the treatment options available are better than ever before.

Breast Biopsy FAQs

What symptoms or imaging findings lead to a breast biopsy?

A breast biopsy is typically recommended when a mammogram, ultrasound, Breast CT, or MRI reveals a suspicious mass, area of calcifications, or other abnormality that cannot be definitively identified as benign through imaging alone. Symptoms such as a new lump, nipple discharge, skin changes, or unexplained breast pain may also prompt further investigation. At Bedford Breast Center, our diagnostic team reviews all findings in context to determine whether a biopsy is the appropriate next step.

Which type of breast biopsy is most accurate?

Core needle biopsy is widely considered the most accurate and preferred method for diagnosing breast abnormalities, as it removes small cylinders of tissue that provide detailed information about the cells in question. Vacuum-assisted biopsy devices can retrieve even more tissue and may be preferred for certain types of lesions, such as microcalcifications. The specialists at Bedford Breast Center select the biopsy technique best suited to your specific findings to ensure the most reliable diagnosis possible.

Is a breast biopsy painful?

A breast biopsy is performed under local anesthesia, so most patients experience little to no pain during the procedure itself. You may feel some pressure or mild discomfort, but significant pain is uncommon. After the anesthesia wears off, it is normal to have some tenderness or soreness at the biopsy site for a few days. Our compassionate team at Bedford Breast Center is committed to keeping you as comfortable as possible throughout every step of your care.

How should I prepare for a breast biopsy?

To prepare for a breast biopsy, wear a comfortable two-piece outfit on the day of your procedure, and avoid applying deodorant, lotion, or powder near the breast or underarm area. Your provider will give you specific instructions about medications, including whether to stop blood thinners in advance. Bedford Breast Center's care coordinators will walk you through everything you need to know beforehand so you arrive prepared and at ease.

Do I need to stop blood thinners before a biopsy?

In many cases, patients are asked to stop taking blood thinners such as aspirin, ibuprofen, warfarin, or other anticoagulants for several days before a breast biopsy to reduce the risk of bleeding. However, this depends on the type of biopsy being performed and your individual medical history, so your care team will provide personalized guidance. Never stop a prescribed medication without consulting your physician first.

Is ultrasound or mammogram guidance used during a biopsy?

Breast biopsies are performed using image guidance to ensure the needle is precisely directed to the abnormal area. The most common methods are ultrasound guidance and stereotactic (mammogram-guided) guidance, depending on where and how the lesion appears on imaging. MRI-guided biopsy may be used for lesions that are only visible on MRI. At Bedford Breast Center, we offer a wide range of image-guided biopsy techniques so that no finding goes unaddressed.

How long does a breast biopsy appointment usually take?

A breast biopsy appointment typically takes between 30 minutes and one hour from start to finish, including preparation, the procedure itself, and a brief recovery period. The actual tissue sampling usually takes only a few minutes once you are positioned and the area is numbed. Bedford Breast Center is designed to make the experience as efficient and comfortable as possible, with expert staff guiding you through every step.

What should I expect after a breast biopsy?

After a breast biopsy, you can expect to have a small bandage or steri-strip over the biopsy site, and you may be advised to apply ice and wear a supportive bra for the first 24 to 48 hours to minimize swelling. Most patients are able to go home shortly after the procedure and resume light activities the same day or the next day. Your care team at Bedford Breast Center will provide detailed aftercare instructions and is available to answer any questions that arise during your recovery.

Will I have bruising or swelling after the procedure?

Some degree of bruising, swelling, and tenderness around the biopsy site is completely normal and typically resolves within one to two weeks. Applying a cold pack intermittently during the first day can help reduce swelling and discomfort. If you notice increasing redness, warmth, fever, or unusual discharge at the site, contact Bedford Breast Center promptly, as these could be signs of infection.

When can I return to normal activities after a breast biopsy?

Most patients can return to light, everyday activities within 24 hours of a breast biopsy, although strenuous exercise and heavy lifting are generally discouraged for several days. Your provider will give you specific activity restrictions based on the type of biopsy performed and your individual recovery. Bedford Breast Center's team will ensure you have clear guidance so you can return to your routine as safely and quickly as possible.

How long does it take to get breast biopsy results?

Breast biopsy results are typically available within three to five business days after the tissue sample is sent to the pathology laboratory for analysis. In some cases, results may take up to a week, depending on the complexity of the findings or the need for additional testing. At Bedford Breast Center, our team will notify you of your results promptly and schedule a follow-up consultation to review the findings and discuss next steps.

What does a benign breast biopsy result mean?

A benign breast biopsy result means that no cancer was found in the tissue sample; the abnormality identified on imaging is noncancerous and not immediately life-threatening. However, certain benign findings, such as atypical ductal hyperplasia, may indicate an elevated long-term risk of breast cancer and warrant closer monitoring. The specialists at Bedford Breast Center will explain your specific pathology results in detail and outline an appropriate surveillance plan tailored to your risk profile.

What happens if the biopsy shows cancer?

If a breast biopsy confirms cancer, your care team at Bedford Breast Center will promptly review the pathology results with you and outline all available treatment options, which may include surgery, radiation, chemotherapy, hormone therapy, or a combination of approaches. Because Bedford Breast Center provides comprehensive breast care from screening and diagnosis through treatment and beyond, you can receive expert, coordinated care at every stage of your journey without being referred elsewhere. You will never face this process alone; our team is with you every step of the way.

Can a breast biopsy spread cancer?

The concern that a biopsy can cause cancer to spread is a common misconception. Extensive research has shown that needle biopsy does not meaningfully increase the risk of cancer spreading to other areas of the body. A small phenomenon called needle tract seeding can theoretically occur, but it is exceedingly rare and has not been shown to affect patient outcomes. Obtaining an accurate tissue diagnosis is essential for guiding proper treatment, and the benefits of biopsy far outweigh any theoretical risks.

What is the difference between a needle biopsy and a surgical biopsy?

A needle biopsy uses a thin or hollow needle to remove small samples of breast tissue through the skin, and is minimally invasive, requires only local anesthesia, and leaves no significant scarring. A surgical biopsy, by contrast, involves making an incision to remove a larger portion or all of the suspicious tissue, and is typically performed under sedation or general anesthesia in an operating room setting. At Bedford Breast Center, needle biopsy is the preferred first approach whenever feasible, as it provides accurate diagnostic information with far less recovery time and impact on the breast.

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Our world-class facility serves patients from Los Angeles throughout Greater Los Angeles, including Beverly Hills, Santa Monica, Malibu, and Glendale. To learn more about breast biopsies, call us at (310) 278-8590 or contact us using the online form to schedule an appointment.

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