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Mastectomy

Breast removal surgery; Subcutaneous mastectomy; Nipple sparing mastectomy; Total mastectomy; Skin sparing mastectomy; Simple mastectomy; Modified radical mastectomy; Breast cancer - mastectomy

A mastectomy is surgery to remove the breast tissue. Some of the skin and the nipple may also be removed. However, surgery that spares the nipple and skin can now be done more often. The surgery is most often done to treat breast cancer.

Description

Before surgery begins, you will be given general anesthesia. This means you will be asleep and pain-free during surgery.

There are different types of mastectomies. Which one your surgeon performs depends on the type of breast problem you have. Most of the time, mastectomy is done to treat cancer. However, it is sometimes done to prevent cancer (prophylactic mastectomy).

The surgeon will make a cut in your breast and perform one of these operations:

  • Nipple-sparing mastectomy: The surgeon removes the entire breast, but leaves the nipple and areola (the colored circle around the nipple) in place. If you have cancer, the surgeon may do a biopsy of lymph nodes in the underarm area to see if the cancer has spread.
  • Skin-sparing mastectomy: The surgeon removes the breast with the nipple and areola with minimal skin removal. If you have cancer, the surgeon may do a biopsy of lymph nodes in the underarm area to see if the cancer has spread.
  • Total or simple mastectomy: The surgeon removes the entire breast along with the nipple and areola. If you have cancer, the surgeon may do a biopsy of lymph nodes in the underarm area to see if the cancer has spread.
  • Modified radical mastectomy: The surgeon removes the entire breast with the nipple and areolar along with some of the lymph nodes underneath the arm.
  • Radical mastectomy: The surgeon removes the skin over the breast, all of the lymph nodes underneath the arm, and the chest muscles. This surgery is rarely done.
  • The skin is then closed with sutures (stitches).

One or two small plastic drains or tubes are very often left in your chest to remove extra fluid from where the breast tissue used to be.

A plastic surgeon may be able to begin reconstruction of the breast during the same operation. You may also choose to have breast reconstruction at a later time. If you have reconstruction, a skin- or nipple-sparing mastectomy may be an option.

Mastectomy will take about 2 to 3 hours.

Why the Procedure Is Performed

WOMAN DIAGNOSED WITH BREAST CANCER

The most common reason for a mastectomy is breast cancer.

If you are diagnosed with breast cancer, talk to your health care provider about your choices:

  • Lumpectomy is when only the breast cancer and tissue around the cancer are removed. This is also called breast conservation therapy or partial mastectomy. Most of your breast will be left.
  • Mastectomy is when all breast tissue is removed.

You and your provider should consider:

  • The size and location of your tumor
  • Skin involvement of the tumor
  • How many tumors there are in the breast
  • How much of the breast is affected
  • The size of your breast
  • Your age
  • Medical history that may exclude you from breast conservation (this may include prior breast radiation and certain medical conditions)
  • Family history
  • Your general health and whether you have reached menopause

The choice of what is best for you can be difficult. You and the providers who are treating your breast cancer will decide together what is best.

WOMEN AT HIGH RISK FOR BREAST CANCER

Women who have a very high risk of developing breast cancer may choose to have a preventive (or prophylactic) mastectomy to reduce the risk of breast cancer.

You may be more likely to get breast cancer if one or more close family relatives has had the disease, especially at an early age. Genetic tests (such as BRCA1 or BRCA2) may help show that you have a high risk. However, even with a normal genetic test, you may still be at high risk of breast cancer, depending on other factors. It may be useful to meet with a genetic counselor to assess your level of risk.

Prophylactic mastectomy should be done only after very careful thought and discussion with your doctor, a genetic counselor, your family, and loved ones.

Mastectomy greatly reduces the risk of breast cancer, but does not eliminate it.

Risks

Scabbing, blistering, wound opening, seroma, or skin loss along the edge of the surgical cut or within the skin flaps may occur.

Risks:

  • Shoulder pain and stiffness. You may also feel pins and needles where the breast used to be and underneath the arm.
  • Swelling of the arm and or breast (called lymphedema) on the same side as the breast that is removed. This swelling is not common, but it can be an ongoing problem.
  • Damage to nerves that go to the muscles of the arm, back, and chest wall.

Before the Procedure

You may have blood and imaging tests (such as CT scans, bone scans, and chest x-ray) after your provider finds breast cancer. This is done to determine if the cancer has spread outside of the breast and lymph nodes under the arm.

Always tell your provider if:

  • You could be pregnant
  • You are taking any drugs or herbs or supplements you bought without a prescription
  • You smoke

During the week before the surgery:

  • Several days before your surgery, you may be asked to stop taking aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve, Naprosyn), vitamin E, clopidogrel (Plavix), warfarin (Coumadin), and any other drugs that make it hard for your blood to clot.
  • Ask which drugs you should still take on the day of the surgery.

On the day of the surgery:

  • Follow instructions from your doctor or nurse about eating or drinking before surgery.
  • Take the drugs you have been told to take with a small sip of water.

You will be told when to arrive at the hospital. Be sure to arrive on time.

After the Procedure

Most women stay in the hospital for 24 to 48 hours after a mastectomy. Your length of stay will depend on the type of surgery you had. Many women go home with drainage tubes still in their chest after mastectomy. The doctor will remove them later during an office visit. A nurse will teach you how to look after the drain, or you might be able to have a home care nurse help you.

You may have pain around the site of your cut after surgery. The pain is moderate after the first day and then goes away over a period of a few weeks. You will receive pain medicines before you are released from the hospital.

Fluid may collect in the area of your mastectomy after all the drains are removed. This is called a seroma. It most often goes away on its own, but it may need to be drained using a needle (aspiration).

Outlook (Prognosis)

Most women recover well after mastectomy.

In addition to surgery, you may need other treatments for breast cancer. These treatments may include hormonal therapy, radiation therapy, and chemotherapy. All have side effects, so you should talk to your provider about the choices.

References

Davidson NE. Breast cancer and benign breast disorders. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 188.

Henry NL, Shah PD, Haider I, Freer PE, Jagsi R, Sabel MS. Cancer of the breast. In: Niederhuber JE, Armitage JO, Kastan MB, Doroshow JH, Tepper JE, eds. Abeloff's Clinical Oncology. 6th ed. Philadelphia, PA: Elsevier; 2020:chap 88.

Hunt KK, Mittendorf EA. Diseases of the breast. In: Townsend CM, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 20th ed. Philadelphia, PA: Elsevier; 2017:chap 34.

Macmillan RD. Mastectomy. In: Dixon JM, Barber MD, eds. Breast Surgery: A Companion to Specialist Surgical Practice. 6th ed. Philadelphia, PA: Elsevier; 2019:122-133.

National Comprehensive Cancer Network website. NCCN clinical practice guidelines in oncology: breast cancer. Version 2.2020. www.nccn.org/professionals/physician_gls/pdf/breast.pdf. Updated February 5, 2020. Accessed February 25, 2020.

Text only

  • Breast cancer

    Animation

  •  

    Breast cancer - Animation

    Of all the different types of cancers, breast cancer is one of the most talked about, and with good reason. One out of every eight women will develop breast cancer sometime in their life. That's why every woman should be thinking about how to protect herself from this disease. Breast cancer is cancer that forms in the breast. Usually, it begins in the tubes that transport milk from the breast to the nipple. If the cancer spreads to other parts of the breast or body, it's called invasive breast cancer. Some breast cancers are more aggressive, growing more quickly than others. Although women are 100 times more likely to develop breast cancer, men can also get the disease because they do have breast tissue. You're more likely to get breast cancer if you're over 50, you started your periods before age 12, or you have a close family member with the disease. Drinking more than a couple of glasses of alcohol a day and using hormone replacement therapy for several years also may increase your risk. The telltale sign of breast cancer is a lump in your breast or armpit. You may also notice a change in the shape, size, or texture of your breast, or have fluid coming from your nipple when you're not breastfeeding. If you notice any changes in your breasts, call your doctor. You'll probably need to have an imaging scan, such as a mammogram, MRI, or ultrasound. A piece of tissue may be removed from your breast, called a biopsy. With these tests, your doctor can tell whether you have breast cancer, and if so, determine whether or not it has spread. So, how do we treat breast cancer? That really depends on the type of cancer, and how quickly it's spreading. Your doctor may recommend that you have the cancer removed with surgery. Sometimes it's enough just to remove the lump. That's called a lumpectomy. In other cases, the doctor will need to remove the entire breast to get rid of all the cancer or prevent it from coming back. That's called a mastectomy. Other treatments for breast cancer include chemotherapy, medicines that kill cancer cells, and radiation therapy, which uses energy to destroy cancer. Women whose cancer is fueled by the hormone estrogen may receive hormone therapy to block the effects of estrogen on their cancer. Today's breast cancer treatments are better than ever. Many women who have breast cancer go on to live long, healthy lives. The outlook really depends on how fast the tumor is growing, and how far it has spread. That's why it's so important to report any changes in your breasts to your doctor as soon as you notice them. Women who are at an especially high risk for breast cancer because of their family history can talk to their doctor about taking medicine or even having surgery to reduce their risk.

  • Female Breast

    Female Breast - illustration

    The female breast is either of two mammary glands (organs of milk secretion) on the chest.

    Female Breast

    illustration

  • Mastectomy - series - Normal anatomy

    Mastectomy - series - Normal anatomy

    Presentation

  • Breast reconstruction - series - Indication, part 1

    Breast reconstruction - series - Indication, part 1

    Presentation

  • Breast cancer

    Animation

  •  

    Breast cancer - Animation

    Of all the different types of cancers, breast cancer is one of the most talked about, and with good reason. One out of every eight women will develop breast cancer sometime in their life. That's why every woman should be thinking about how to protect herself from this disease. Breast cancer is cancer that forms in the breast. Usually, it begins in the tubes that transport milk from the breast to the nipple. If the cancer spreads to other parts of the breast or body, it's called invasive breast cancer. Some breast cancers are more aggressive, growing more quickly than others. Although women are 100 times more likely to develop breast cancer, men can also get the disease because they do have breast tissue. You're more likely to get breast cancer if you're over 50, you started your periods before age 12, or you have a close family member with the disease. Drinking more than a couple of glasses of alcohol a day and using hormone replacement therapy for several years also may increase your risk. The telltale sign of breast cancer is a lump in your breast or armpit. You may also notice a change in the shape, size, or texture of your breast, or have fluid coming from your nipple when you're not breastfeeding. If you notice any changes in your breasts, call your doctor. You'll probably need to have an imaging scan, such as a mammogram, MRI, or ultrasound. A piece of tissue may be removed from your breast, called a biopsy. With these tests, your doctor can tell whether you have breast cancer, and if so, determine whether or not it has spread. So, how do we treat breast cancer? That really depends on the type of cancer, and how quickly it's spreading. Your doctor may recommend that you have the cancer removed with surgery. Sometimes it's enough just to remove the lump. That's called a lumpectomy. In other cases, the doctor will need to remove the entire breast to get rid of all the cancer or prevent it from coming back. That's called a mastectomy. Other treatments for breast cancer include chemotherapy, medicines that kill cancer cells, and radiation therapy, which uses energy to destroy cancer. Women whose cancer is fueled by the hormone estrogen may receive hormone therapy to block the effects of estrogen on their cancer. Today's breast cancer treatments are better than ever. Many women who have breast cancer go on to live long, healthy lives. The outlook really depends on how fast the tumor is growing, and how far it has spread. That's why it's so important to report any changes in your breasts to your doctor as soon as you notice them. Women who are at an especially high risk for breast cancer because of their family history can talk to their doctor about taking medicine or even having surgery to reduce their risk.

  • Female Breast

    Female Breast - illustration

    The female breast is either of two mammary glands (organs of milk secretion) on the chest.

    Female Breast

    illustration

  • Mastectomy - series - Normal anatomy

    Presentation

  • Breast reconstruction - series - Indication, part 1

    Presentation

Talking to your MD

 
 

Review Date: 2/11/2020

Reviewed By: Todd Campbell, MD, FACS, Clinical Assistant Professor Department of Surgery, Volunteer Faculty, Rowan University School of Osteopathic Medicine, Stratford, NJ; Medical Director, Independence Blue Cross. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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