Breast Cancer – Ductal Carcinoma In Situ (DCIS)

Ductal Carcinoma In Situ
Written by Palak Patel

Ductal cancer in place (DCIS) is non-invasive carcinoma. Ductal means the cancer starts within the milk ducts, cancer refers to any cancer that begins within the skin or alternative tissues (including breast tissue) that cowl or line the inner organs, and in place suggests that “in its original place.” DCIS is termed “non-invasive” as a result of it hasn’t unfold on the far side the milk duct into any traditional close breast tissue.

Ductal carcinoma in situ (DCIS) is a non-invasive breast cancer where abnormal cells have been found in the lining of the breast milk duct. The atypical cells have not spread outside of the ducts into the surrounding breast tissue.

Ductal Carcinoma In Situ


Ductal Carcinoma In Situ

Ductal Carcinoma In Situ isn’t dangerous, however having Ductal Carcinoma In Situ will increase the chance of developing associate invasive carcinoma in a while.

If you had DCIS then are chances of cancer returning or developing breast cancer compare to a person who never had breast cancer before. After initial diagnosis, recurrences happens within five to ten years and the possibilities of a repeat are under 30%.

In breast-conserving surgery ( lumpectomy ), especially for women who had surgery for Ductal Carcinoma In Situ without radiation therapy, have chances of getting a repetition are about 25% to 30% in future. While chances of repetition is reduced to 15% in radiation therapy treatment done after surgery. To lower the risk of recurrence or new breast cancer diagnosis, learn what additional steps you should take. If after earlier Ductal Carcinoma In Situ section, breast cancer does not come back, the recurrence is non-invasive (DCIS again) about half the time and invasive about half the time. (DCIS itself is NOT invasive.)

American Cancer Society records says, 60,000 cases of Ductal Carcinoma In Situ are diagnosed last year in United States, with every 5 new breast cancer, 1 case is Ductal Carcinoma In Situ.

It is been increasing over time and there are two main reasons which is so large :

  • As lifespan is increased, there is increase in breast cancer as we grow older.
  • With improved quality of mammograms, better screening and hence cancer are spotted at early stage and due to many people are getting mammograms.

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Palak Patel


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