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IDC Type: Tubular Carcinoma of the Breast

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Tubular carcinoma of the breast is a subtype of invasive ductal carcinoma (cancer that begins inside the breast's milk duct and spreads beyond it into healthy tissue). Tubular carcinomas are usually small (about 1 cm or less) and made up of tube-shaped structures called "tubules." These tumors tend to be low-grade, meaning that their cells look somewhat similar to normal, healthy cells and tend to grow slowly.

At one time, tubular carcinomas accounted for about 1-4% of all breast cancers. Now that screening mammography is widely used, however, tubular carcinomas are being diagnosed more frequently — often before you or your doctor would be able to feel a lump. Exact numbers aren't available, but studies suggest that tubular carcinomas may account for anywhere from just under 8% to 27% of all breast cancers.

Studies also suggest that the average age of diagnosis for tubular carcinoma is the early 50s, although women can be diagnosed with it at any age. This type of cancer is rare in men.

Even though tubular carcinoma is an invasive breast cancer, it tends to be a less aggressive type that responds well to treatment. It isn't likely to spread outside the breast and is considered to have a very good prognosis.

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The medical expert for IDC Type: Tubular Carcinoma of the Breast is:

  • Clifford Hudis, M.D., Chief, Breast Cancer Medicine Service, Memorial Sloan-Kettering Cancer Center, New York, NY

This expert is a member of the Professional Advisory Board, including more than 70 medical experts in breast cancer-related fields.

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