Types and Risk Factors of Breast Cancer
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Questions and Answers

Which treatment option is designed to target specific proteins or genes involved in cancer growth?

  • Immunotherapy
  • Chemotherapy
  • Hormone therapy
  • Targeted therapy (correct)
  • A patient who requires systemic treatment for breast cancer is most likely to receive which therapy?

  • Chemotherapy (correct)
  • Targeted therapy
  • Hormone therapy
  • Radiation therapy
  • Which of the following is NOT a primary aim of using imaging scans like MRI or CT in breast cancer management?

  • To help guide surgical planning
  • To assess the size of the tumor
  • To evaluate if the tumor has spread to the lymph nodes
  • To determine if hormone therapy will be effective (correct)
  • Which preventive measure is most directly associated with early detection rather than directly reducing cancer risk?

    <p>Regular breast self-exams (A)</p> Signup and view all the answers

    For a cancer that is driven by hormones, such as estrogen, what is the MOST appropriate treatment to consider?

    <p>Hormone therapy (D)</p> Signup and view all the answers

    Which type of breast cancer is characterized by cancer cells remaining within the milk ducts?

    <p>Ductal carcinoma in situ (DCIS) (B)</p> Signup and view all the answers

    What is the most common type of breast cancer where cancer cells spread beyond the milk ducts?

    <p>Invasive ductal carcinoma (B)</p> Signup and view all the answers

    Which factor does NOT significantly increase the risk of breast cancer?

    <p>Regular physical exercise (A)</p> Signup and view all the answers

    What breast cancer symptom is characterized by skin changes, such as dimpling or redness?

    <p>Skin changes (B)</p> Signup and view all the answers

    Which diagnostic tool uses sound waves to differentiate between solid and fluid-filled masses in the breast?

    <p>Ultrasound (D)</p> Signup and view all the answers

    A biopsy is a key procedure for breast cancer diagnosis because it involves:

    <p>Analyzing breast tissue samples under a microscope. (C)</p> Signup and view all the answers

    Which of these is NOT a typical symptom of breast cancer?

    <p>Unexpected weight loss (C)</p> Signup and view all the answers

    Which test involves assessing specific genes such as BRCA1 and BRCA2?

    <p>Genetic testing (D)</p> Signup and view all the answers

    Flashcards

    Imaging Scans (MRI, CT)

    Imaging tests like MRI and CT scans used to determine the size and spread of breast cancer.

    Breast Cancer Surgery

    Surgical removal of breast tissue, either a small portion (lumpectomy) or the entire breast (mastectomy).

    Radiation Therapy

    Using high-energy rays to target and destroy cancer cells in a specific area.

    Chemotherapy

    A type of treatment that uses drugs to kill cancer cells throughout the body.

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    Targeted Therapy

    Treatments that utilize drugs specifically designed to target proteins or genes involved in cancer growth.

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    What is ductal carcinoma in situ (DCIS)?

    Cancer cells stay within the milk ducts.

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    What is invasive ductal carcinoma?

    Cancer cells have broken through the milk ducts and spread to surrounding breast tissue.

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    What is invasive lobular carcinoma?

    Starts in the milk-producing glands and spreads to surrounding tissues.

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    How does age affect breast cancer risk?

    Risks of breast cancer increase as a person ages.

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    What role does family history play in breast cancer risk?

    Family history and specific gene mutations (like BRCA1 and BRCA2) increase risk.

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    How do hormonal factors impact breast cancer risk?

    Hormone replacement therapy (HRT) use can increase risk, and dense breast tissue is linked to higher risk.

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    How does obesity affect breast cancer risk?

    Obesity is linked to increased risk of postmenopausal breast cancer.

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    How does radiation exposure affect breast cancer risk?

    Exposure to radiation, especially to the chest, can increase breast cancer risk.

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    Study Notes

    Types of Breast Cancer

    • Breast cancer exhibits diverse subtypes, varying in cellular structure and genetic traits.
    • Ductal carcinoma in situ (DCIS) is a non-invasive form, where cancer cells remain within the milk ducts.
    • Invasive ductal carcinoma, the most common type, involves cancer cells penetrating milk ducts and spreading to surrounding breast tissue.
    • Invasive lobular carcinoma originates in milk-producing glands (lobules) and spreads to surrounding tissues.
    • Less common types include inflammatory breast cancer, medullary carcinoma, and Paget's disease of the nipple.

    Risk Factors for Breast Cancer

    • Age: Risk significantly increases with age.
    • Family History: Strong family history, including specific gene mutations (e.g., BRCA1 and BRCA2), elevates risk.
    • Personal History: Previous breast cancer diagnosis increases risk of recurrence.
    • Hormonal Factors: Early menarche, late menopause, and lack of childbearing can increase risk.
    • Reproductive Factors: Hormone replacement therapy (HRT) might increase risk; dense breast tissue is linked to higher risk.
    • Obesity: Overweight/obesity increases postmenopausal breast cancer risk.
    • Exposure to Radiation: Past chest radiation exposure raises risk.
    • Alcohol Consumption: Regular alcohol use elevates breast cancer risk.

    Symptoms of Breast Cancer

    • Lump: Palpable mass in breast or underarm; often painless.
    • Skin Changes: Dimpling, puckering, redness, or scaling of breast skin.
    • Nipple Changes: Nipple discharge, inversion, or crusting.
    • Swelling: Swelling in part or all of the breast.
    • Pain: While breast pain isn't always indicative of cancer, it can sometimes be a symptom.

    Diagnosis of Breast Cancer

    • Mammogram: Low-dose X-ray of the breast, used for screening and diagnosis.
    • Ultrasound: Aids in distinguishing between solid and fluid-filled breast masses.
    • Biopsy: Removing a breast tissue sample for microscopic analysis, crucial for definitive diagnosis. Common methods include fine-needle aspiration (FNA) and core needle biopsy.
    • Genetic Testing: Testing for gene mutations like BRCA1 and BRCA2 informs risk assessment and treatment decisions.
    • Imaging Scans (MRI, CT): Help determine the extent of cancer spread.

    Treatment Options for Breast Cancer

    • Surgery: Tumor removal (lumpectomy or mastectomy); lymph node removal.
    • Radiation Therapy: Utilizes high-energy rays to target and eliminate cancer cells.
    • Chemotherapy: Systemic drug treatment to kill cancer cells.
    • Hormone Therapy: For hormone-driven cancers, often targeting estrogen.
    • Targeted Therapy: Drugs targeting specific cancer-related proteins or genes.
    • Immunotherapy: Treatments bolstering the body's immune response against cancer.

    Breast Cancer Prevention

    • Healthy Lifestyle: Maintaining a healthy weight, regular exercise, and limiting alcohol intake.
    • Regular Breast Self-Exams: Checking for breast changes aids early detection.
    • Mammograms: Essential for early detection, especially in high-risk women.
    • Genetic Counseling: For those with strong family histories, genetic counseling and testing provide insights into risk assessment and preventive strategies.

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    Description

    This quiz explores the different subtypes of breast cancer, including ductal and lobular carcinomas, as well as less common types. It also covers the key risk factors associated with breast cancer, such as age, family history, and hormonal factors. Test your knowledge on these critical aspects of breast cancer.

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