What type of Breast Cancer Do You Have?
This information is not to be used in lieu of your medical doctor's diagnosis. The following is for informational purposes only.
Breast cancer is a complex disease, and there are several different types, each with its unique characteristics. Here are some of the most common types of breast cancer:
Ductal Carcinoma In Situ (DCIS): DCIS is a non-invasive cancer where abnormal cells are found in the lining of a breast duct but have not spread outside the duct. It is considered a very early stage of breast cancer and is highly treatable.
Invasive Ductal Carcinoma (IDC): This is the most common type of breast cancer. IDC begins in the milk ducts of the breast but then invades nearby tissues in the breast. It can also spread to other parts of the body if not treated.
Invasive Lobular Carcinoma (ILC): ILC starts in the milk-producing lobules of the breast and can also spread to other tissues. It is less common than IDC but has a similar potential for spreading.
Inflammatory Breast Cancer (IBC): IBC is an aggressive and rare form of breast cancer that causes the breast to become red, swollen, and inflamed. It can progress quickly and is often diagnosed at an advanced stage.
Triple-Negative Breast Cancer (TNBC): This type of breast cancer lacks three specific receptors: estrogen, progesterone, and HER2/neu. It tends to be more aggressive and can be challenging to treat because it doesn't respond to hormone therapies or targeted therapies.
HER2-Positive Breast Cancer: This type of breast cancer is characterized by the presence of an excess of HER2/neu receptors, which can promote the growth of cancer cells. HER2-positive breast cancer can be more aggressive but is treatable with targeted therapies like Herceptin.
Luminal A and Luminal B Subtypes: These subtypes are based on the presence of hormone receptors (estrogen and progesterone) and the proliferation rate of cancer cells. Luminal A cancers are typically less aggressive and have a better prognosis, while Luminal B cancers may be more aggressive.
Metaplastic Carcinoma: This is a rare and aggressive form of breast cancer where cancer cells take on characteristics of other cell types, such as squamous or spindle cells.
Mucinous Carcinoma: This is a rare subtype where the tumor contains mucus-producing cancer cells. It tends to have a better prognosis than other types.
Paget's Disease of the Breast: This type of breast cancer begins in the ducts of the nipple and then spreads to the nipple surface. It can be associated with underlying ductal or lobular breast cancer.
Phyllodes Tumor: These are rare tumors that form in the connective tissue of the breast. Most are benign, but some can be malignant.
It's important to note that breast cancer is a complex disease, and individual cases may have unique characteristics and combinations of features. The choice of treatment for breast cancer depends on its type, stage, and other factors, so a proper diagnosis and personalized treatment plan are essential for each patient.