Breast Cancer - Type

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What are the different types of breast cancer?

There are many types of breast cancer. Some are more common than others, and there are also combinations of cancers. Some of the most common types of cancer are as follows:

Ductal carcinoma in situ: The most common type of noninvasive breast cancer is ductal carcinoma in situ (DCIS). This type of cancer has not spread and therefore usually has a very high cure rate.

Invasive ductal carcinoma: This cancer starts in a duct of the breast and grows into the surrounding tissue. It is the most common form of breast cancer. About 80% of invasive breast cancers are invasive ductal carcinoma.

Invasive lobular carcinoma: This breast cancer starts in the glands of the breast that produce milk. Approximately 10% of invasive breast cancers are invasive lobular carcinoma.

The remainder of breast cancers are much less common and include the following:

Mucinous carcinoma are formed from mucus-producing cancer cells. Mixed tumors contain a variety of cell types. Medullary carcinoma is an infiltrating breast cancer that presents with well-defined boundaries between the cancerous and noncancerous tissue.

Inflammatory breast cancer: This cancer makes the skin of the breast appear red and feel warm (giving it the appearance of an infection). These changes are due to the blockage of lymph vessels by cancer cells.

Triple-negative breast cancers: This is a subtype of invasive cancer with cells that lack estrogen and progesterone receptors and have no excess of a specific protein (HER2) on their surface. It tends to appear more often in younger women and African-American women.

Paget's disease of the nipple: This cancer starts in the ducts of the breast and spreads to the nipple and the area surrounding the nipple. It usually presents with crusting and redness around the nipple.

Adenoid cystic carcinoma: These cancers have both glandular and cystic features. They tend not to spread aggressively and have a good prognosis.

The following are other uncommon types of breast cancer:

  • Papillary carcinoma
  • Phyllodes tumor
  • Angiosarcoma
  • Tubular carcinoma
Return to Breast Cancer

See what others are saying

Comment from: helen, 75 or over Female (Patient) Published: June 04

I have mucinous colloid breast cancer clear margins, treated with anastrazole. I also take Actonel 35 mg, bad side effects. I am ready to stop all medicines. Actonel should not be given to anyone.

Was this comment helpful?Yes
Comment from: Susan, 45-54 Female (Patient) Published: July 14

I have invasive lobular carcinoma of the breast.

Was this comment helpful?Yes


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