Living with Invasive (Infiltrating) Ductal Carcinoma

Living

Invasive ductal carcinoma (IDC) is a type of tumor that originates in a milk duct in the breast and is one of the most common types of breast cancer. The tumor penetrates the wall of the duct and turns into fatty tissue in the breast. After the tumor penetrates the milk duct it may spread into the lymphatic system. Around 80% of breast cancer is IDC. The difference between ductal carcinoma and IDC is that the invasive cancer has spread through the wall ducts, while the ductal carcinoma is centralized in the ducts.

The first sign of IDC is a hard lump in the breast that has an irregular outline. Since IDC is the most common type of breast cancer, the greatest risk is in women over the age of 45; however, half of the cases of IDC occur in women over the age of 65. Risk factors often include ignoring treatment for ductal carcinoma, but they also include early menstruation, not having children, having a first child after the age of 30, and having more than three alcoholic drinks daily. If the tumor is relatively small, then the most common treatment is a lumpectomy; however, if the tumor is bigger, then a mastectomy is common and reduces the risk of the cancer returning. Treatments may also include chemotherapy, hormonal, and radiation therapy.

For more information on invasive ductal carcinoma, read the American Cancer Society’s detailed guide.

If you have been affected by invasive ductal carcinoma, take some time to read others’ experiences. Share your own experiences, ask, or answer questions here.

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