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breast cancer
Oncology

Understanding Breast Cancer: An Overview

Dr. Ruchi Singh(IOSPL) Mar 05, 2024

Breast cancer is a complex disease that develops when cells in the breast mutate and grow uncontrollably. It is the most common cancer among women worldwide, but it can also affect men, although less frequently. Understanding the basics of breast cancer, including its types, stages, risk factors, and treatment options, is crucial for early detection and effective management.

Common Types of Breast Cancer:

1. Ductal Carcinoma in Situ (DCIS): DCIS is a non-invasive form of breast cancer where abnormal cells are confined to the milk ducts and have not spread into surrounding breast tissue.

2. Invasive Ductal Carcinoma (IDC): IDC is the most common type of breast cancer, characterized by cancer cells that have spread beyond the milk ducts into surrounding breast tissue.

3. Invasive Lobular Carcinoma (ILC): ILC begins in the milk-producing glands (lobules) of the breast and can spread to nearby tissue.

Stages of Breast Cancer:

Breast cancer staging is based on the size of the tumour, whether it has spread to lymph nodes, and if it has metastasized to distant organs. The stages include:

1. Stage 0: DCIS or non-invasive breast cancer.

2. Stage I: Early-stage invasive breast cancer with small tumour size.

3. Stage II: Larger tumor size or cancer spread to nearby lymph nodes.

4. Stage III: Locally advanced breast cancer with extensive lymph node involvement.

5. Stage IV: Metastatic breast cancer that has spread to distant organs, such as the lungs, liver, bones, or brain.

Risk Factors for Breast Cancer:

While the exact cause of breast cancer is unknown, several risk factors can increase an individual's likelihood of developing the disease:

1. Age: Risk increases with age, with most breast cancers diagnosed in women over 50.

2. Family History and Genetics: A family history of breast or ovarian cancer, as well as certain genetic mutations (e.g., BRCA1 and BRCA2), can increase the risk.

3. Personal History: Previous breast cancer diagnosis or certain benign breast conditions may elevate the risk.

4. Hormonal Factors: Hormonal factors, such as early menstruation, late menopause, hormone replacement therapy, and never giving birth or having the first child after age 35, can influence breast cancer risk.

5. Lifestyle Factors: Factors like obesity, lack of physical activity, excessive alcohol consumption, and smoking may contribute to an increased risk of breast cancer.

Treatment Options for Breast Cancer:

Treatment for breast cancer varies depending on the type, stage, and individual factors. It often involves a multidisciplinary approach, including surgery, chemotherapy, radiation therapy, hormonal therapy, targeted therapy, and immunotherapy. The goals of treatment are to remove the cancer, prevent its recurrence, and improve overall survival and quality of life.

1. Surgery: Surgical options may include lumpectomy (removal of the tumor and surrounding tissue) or mastectomy (removal of the entire breast). Sentinel lymph node biopsy or axillary lymph node dissection may be performed to assess lymph node involvement.

2. Chemotherapy: Chemotherapy uses drugs to kill cancer cells or prevent their growth. It may be administered before surgery (neoadjuvant chemotherapy) to shrink tumors, or after surgery (adjuvant chemotherapy) to eliminate any remaining cancer cells.

3. Radiation Therapy: Radiation therapy delivers high-energy beams to the affected breast or lymph nodes to destroy cancer cells and reduce the risk of recurrence.

4. Hormonal Therapy: Hormonal therapy, also known as endocrine 4. therapy, targets hormone-sensitive breast cancers by blocking the effects of estrogen or progesterone.

5. Targeted Therapy: Targeted therapies target specific molecules involved in cancer growth and progression, such as HER2-targeted drugs for HER2-positive breast cancer.

Conclusion:

Breast cancer is a multifaceted disease with various types, stages, and risk factors. Early detection through screening and awareness of symptoms are critical for improving outcomes. With advancements in treatment modalities and personalized medicine, many individuals diagnosed with breast cancer can undergo successful treatment and lead fulfilling lives. Regular screenings, healthy lifestyle choices, and ongoing research efforts are essential in the fight against breast cancer.

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Dr. Ruchi Singh(IOSPL)
| Fortis Noida
  • Oncology | Radiation Oncology
  • Date 13 Years
  • INR 1000

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