As with other types of carcinoma in situ, this does not mean the person has cancer. However, they have precancerous cells that could become cancerous and invasive without treatment.
Learn more here about how to recognize the signs of skin cancer. A person who notices white patches in their mouth with a flat, thin appearance should see their doctor for an assessment.
This is particularly so if the patch or patches do not disappear when the person rubs or the individual is a smoker. Sometimes a patch may have a white color with some red in it, or an irregular surface, which may be flat, nodular, or warty. As with other in situ carcinomas, this development is not cancer. However, a person with these patches should seek treatment, as they have a higher chance of developing cancer in future.
Find out more here about mouth cancer. Carcinoma in situ can affect the eyes, including the conjunctiva, which is the mucous membrane that covers the front of the eye. Symptoms include :. Without treatment, this type of carcinoma in situ can eventually invade other nearby tissues. However, it rarely spreads to more distant parts of the body. One possible treatment is surgical removal of the cells with cryotherapy. What are the signs of eye cancer, and what is the treatment?
Learn more here. A doctor may recommend different types of surgery, such as:- open surgery, such as a mastectomy for breast cancer or a preventive hysterectomy for cervical cancer.
Sometimes, the doctor will recommend radiation therapy to ensure that treatment removes all the cells.
A doctor will help the individual choose the right treatment, depending on the type of carcinoma in situ and individual factors. A diagnosis of carcinoma in situ does not mean a person has cancer, nor does it mean they will have cancer in the future. However, it increases the risk of cancer developing, so doctors usually recommend treatment. A person can lower their risk of many types of carcinoma in situ by living a healthful lifestyle, including avoiding smoking and using sun protection when outdoors.
Knowing how to recognize changes in the skin, mouth, and other parts of the body can help a person look for signs that they may need medical attention. Breast cancer usually begins either in the cells of the lobules, which are milk-producing glands, or the ducts, the passages that drain milk from the lobules to the nipple.
The pathology report will tell you whether or not the cancer has spread outside the milk ducts or lobules of the breast where it started. Non-invasive cancers stay within the milk ducts or lobules in the breast.
They do not grow into or invade normal tissues within or beyond the breast. Invasive cancers do grow into normal, healthy tissues. Most breast cancers are invasive.
Whether the cancer is non-invasive or invasive will determine your treatment choices and how you might respond to the treatments you receive. Trends Cancer. Ductal carcinoma in situ: to treat or not to treat, that is the question. Br J Cancer. Updated January 24, Merrill, A. Ductal Carcinoma In Situ. The New England Journal of Medicine. Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.
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