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Breast cancer - Surgery

Description

An in-depth report on the causes, diagnosis, treatment, and prevention of breast cancer.

Alternative Names

Mammograms; Mastectomy

Surgery:

Surgery forms a part of nearly every patient's treatment for breast cancer. The initial surgical intervention is often a lumpectomy, the removal of the tumor itself. In the past, mastectomy (the removal of the breast) was the standard treatment for nearly all breast cancers. Now, many patients with early-stage cancers can choose breast-conserving treatment, or lumpectomy followed by radiation, with or without chemotherapy.

For invasive breast cancer, studies indicate that lumpectomy or partial mastectomy combined with radiation therapy works as well as a modified radical mastectomy.

Breast-Conserving Procedures

Breast-conserving procedures are now appropriate and as successful as mastectomy in most women with early stage breast cancer. All women should discuss these options fully with their doctor. Recurrence rates with conservative surgery are highest in women under age 45. Some women choose mastectomy over breast-conserving treatment even if the latter is appropriate because it gives them a greater sense of security and allows them to avoid radiation therapy.

Lumpectomy. Lumpectomy is the removal of the tumor, often along with lymph nodes in the armpit. It serves as an opportunity for biopsy, a diagnostic tool, and a primary treatment for small local breast tumors. If invasive cancer is found, the doctor will decide to proceed with breast radiation therapy, to remove additional tissue (should the margins of the specimen show signs of cancer), or to perform a mastectomy. Lumpectomy followed by radiation therapy is appropriate and as effective as mastectomy for most women with Stage I or II breast cancers.

Breast lump removal - series
Click the icon to see an illustrated series detailing breast lump removal surgery.

Breast-Conserving Surgery (Quadrantectomy). Breast-conserving surgery (sometimes referred to as quadrantectomy) removes the cancer and a large area of breast tissue, occasionally including some of the lining over the chest muscles. It is less invasive than a full mastectomy, but the cosmetic results are less satisfactory than with a lumpectomy. Studies have found that breast-conserving surgeries plus postoperative radiotherapy offer the same survival rates as radical mastectomy in women with early breast cancer.

Mastectomy

Surgery to remove the breast (mastectomy) is important for women with operable breast cancer who are not candidates for breast conserving surgeries. There are different variations on the procedure:

A total mastectomy involves removal of the whole breast and sometimes lymph nodes under the armpit.
A radical mastectomy removes the breast, chest muscles, all of the lymph nodes under the arm, and some additional fat and skin. (A modified radical mastectomy removes the entire breast and armpit lymph nodes, with the underlying chest wall muscle.) For most patients, there are no survival advantages from radical mastectomy compared to less invasive mastectomies.

Mastectomy - series
Click the icon to see an illustrated series detailing mastectomy surgery.

Complications and Side Effects of Surgery. Short-term pain and tenderness occur in the area of the procedure, and pain relievers may be necessary.

The most frequent complication of extensive lymph node removal is lymphedema, or swelling, of the arm. The likelihood of edema can be lessened by removing only some of the lymph nodes instead of all of them.

Infrequent complications include poor wound healing, bleeding, or a reaction to the anesthesia.

After mastectomy and lymph node removal, women may experience numbness, tingling, and difficulty in extending the arm fully. These effects can last for months or years afterward.

Breast Reconstruction

After a mastectomy, some women choose a breast prosthesis or opt for breast reconstruction, which can be performed during the mastectomy itself, if desired. Several studies have indicated that women who take advantage of cosmetic surgery after breast cancer have a better sense of well-being and a higher quality of life than women who do not choose reconstructive surgery. The breast is reshaped using a saline implant or, for a more cosmetic result, a muscle flap is taken from elsewhere in the body. Muscle flap procedures are more complicated, however, and blood transfusions may be required. (It should be noted that implants, including silicone implants, do not appear to put a woman at risk for breast cancer recurrence.) If the nipple is removed, it is rebuilt from other body tissues and color is applied using tattoo techniques. It is nearly impossible to rebuild a breast that is identical to its partner, and additional operations may be necessary to achieve a desirable effect.

Breast reconstruction - series
Click the icon to see an illustrated series detailing breast reconstruction surgery.

Resources

www.cancer.gov -- National Cancer Institute
www.cancer.org -- American Cancer Society
www.asco.org -- American Society of Clinical Oncology
www.breastcancer.org -- BreastCancer.Org
www.komen.org -- Susan G. Komen Breast Cancer Foundation
www.nccn.org -- National Comprehensive Cancer Network
www.cancer.net -- Cancer.Net
www.cancer.gov/clinicaltrials -- Find clinical trials

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Reviewed last on: 11/10/2008
Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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