In-Depth Notes on Breast Cancer
Overview of Breast Cancer
- Two main categories:
- Invasive Breast Cancer: Cancer that invades surrounding breast tissue.
- Non-Invasive Breast Cancer: Cancer that remains in the ducts, not spreading.
Common Sites of Metastasis
- Most common locations include:
- Brain
- Bone
- Liver
- Lung
Types of Breast Cancer
- Non-invasive:
- Ductal Carcinoma In Situ (DCIS):
- Early form of breast cancer, detected via screening, generally curable.
- Invasive:
- Invasive Ductal Carcinoma (IDC):
- The most common type of breast cancer, characterized by irregular lumps.
- Inflammatory Breast Cancer (IBC):
- Less common but aggressive form of invasive breast cancer.
Symptoms of Invasive Breast Cancer
- Irregular, poorly defined lumps.
- Breast dimpling, resembling skin texture of an orange.
- Nipple pitting (a late sign, indicating possible advanced disease).
- Skin changes, including hyperpigmentation and thickening.
Genetic Factors
- Significant genetic components:
- BRCA mutations (BRCA1 and BRCA2): Major risk factors.
- Other mutations: ATM, and others.
- Family history increases risk.
- Statistics:
- 1 in 8 women will develop breast cancer in their lifetime.
Risk Factors
- Increased age.
- Early menarche and late menopause.
- Obesity and physical inactivity.
- Hormone Replacement Therapy (HRT) post-menopause.
- Alcohol consumption.
- Mortality rates are higher in Black women compared to White women (40% increase).
Screening and Early Detection
- Importance of screenings for both men and women, especially those with genetic predispositions.
- Self Breast Exams (SBE):
- Should be done monthly, ideally on the same day.
- Clinical Breast Exams (CBE):
- Conducted by a qualified healthcare provider.
- Mammography:
- Typically starts at age 40, with annual screenings at 45 for average risk.
- High-risk individuals may start earlier and may require additional imaging like MRI.
Pathologic Studies and Diagnosis
- The only definitive diagnosis of breast cancer requires a biopsy.
- Assessment of lymph nodes to check for metastasis.
Chemotherapy Management
- Administration methods: oral and IV.
- Precautions include wearing chemotherapy gloves and being aware of extravasation risks.
- Care during treatment includes avoiding procedures (blood pressure checks, IVs) on the affected side post-mastectomy to prevent lymphedema.
Treatment Options
- Surgical Treatments:
- Options include lumpectomy, mastectomy (single or double), focusing on complete removal of cancerous tissue.
- Radiation Therapy:
- Types include teletherapy (external) and brachytherapy (internal).
- Brachytherapy requires precautions due to radioactivity.
- Complementary Therapies:
- Techniques may include meditation, acupuncture, and other supportive therapies.
Psychosocial Considerations
- High levels of anxiety and panic attacks upon diagnosis are common; emotional support is crucial.
- Importance of counseling and community resources.
Care Coordination and Ongoing Management
- Home care needs assessed, particularly post-surgery with potential drains.
- Patients monitored for lymphedema, ensuring precautions in handling the affected side.
Outcome Goals
- Aim for no recurrence or metastasis.
- Supportive care through palliative and hospice services if metastasis occurs.
Conclusion
- Continuous education and awareness about breast cancer are key in reducing risks and improving outcomes.
- Engage patients in discussions about feelings and impact on life, including body image concerns post-treatment.