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Ductal Carcinoma In Situ (DCIS): The Breast Cancer You Might Not Have Heard Of
Published: May 07, 2024
Ductal Carcinoma In Situ (DCIS) is a non-invasive form of breast cancer that's often detected through mammograms. Let's explore what DCIS is, how it's diagnosed, and what it means for your health.
What is DCIS?
DCIS is a condition where abnormal cells are found in the lining of the breast milk duct. These cells haven't spread beyond the duct into other breast tissue. While DCIS isn't life-threatening, it can increase the risk of developing invasive breast cancer later. It's often called 'Stage 0' breast cancer or pre-invasive breast carcinoma.
Diagnosis and Detection
DCIS usually doesn't cause any symptoms and is most often detected through mammograms. It typically appears as small clusters of calcifications. If DCIS is suspected, a biopsy is usually performed to confirm the diagnosis. The biopsy can also determine the grade of DCIS, which indicates how fast the cancer cells are growing.
Treatment Options
Treatment for DCIS aims to prevent it from becoming invasive cancer. Options typically include surgery (lumpectomy or mastectomy) and may include radiation therapy. Some women may also be offered hormonal therapy to reduce the risk of future breast cancers. The choice of treatment depends on factors like the extent and grade of DCIS, and personal preferences.
Controversy and Overdiagnosis
There's ongoing debate about the best way to manage DCIS. Some experts argue that not all DCIS will progress to invasive cancer, leading to concerns about overdiagnosis and overtreatment. Research is ongoing to better identify which cases of DCIS are most likely to progress, allowing for more personalized treatment approaches.
Frequently Asked Questions
It's considered the earliest form of breast cancer.
By definition, DCIS hasn't spread beyond the milk duct.
Nearly 100% of women with DCIS survive.
Yes, there's a small risk of recurrence.
Chemotherapy is not typically used for DCIS.
Key Takeaways
While DCIS is a form of early-stage breast cancer, it's highly treatable and has an excellent prognosis.
References
- American Cancer Society. Ductal Carcinoma In Situ (DCIS). Available at: https://www.cancer.org/cancer/breast-cancer/understanding-a-breast-cancer-diagnosis/types-of-breast-cancer/dcis.html
- National Cancer Institute. Ductal Carcinoma In Situ (DCIS). Available at: https://www.cancer.gov/types/breast/dcis-fact-sheet
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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