Breast Lump Diagnosis and Workup

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Questions and Answers

What is the most common presenting symptom of breast lumps?

  • Pain
  • Discomfort
  • Incidental finding or self breast examination (correct)
  • Fever

Which quadrant is most commonly affected by breast lumps?

  • Lower outer quadrant
  • Lower inner quadrant
  • Upper outer quadrant (correct)
  • Upper inner quadrant

Which characteristic is NOT typically associated with breast lumps?

  • Tenderness (correct)
  • Hard consistency
  • Irregular shape
  • Painlessness

What does fixity in a breast lump refer to?

<p>The lump cannot be moved separately from surrounding tissues (A)</p> Signup and view all the answers

What is a key feature that might suggest Paget's disease in relation to a breast lump?

<p>Nipple retraction or inversion (C)</p> Signup and view all the answers

Which factor is NOT a known risk factor for developing breast cancer?

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

What symptom is associated with late-stage features of breast cancer?

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

Which of the following statements regarding BRCA mutations is accurate?

<p>BRCA 1 mutation has a breast cancer risk of 50-80% (B)</p> Signup and view all the answers

Which type of hormone replacement therapy poses a greater risk for developing breast cancer?

<p>Combined oestrogen-progesterone therapy (C)</p> Signup and view all the answers

Which dietary component is suggested to be at lower levels among individuals at risk for breast cancer?

<p>Low phyto-estrogens (B)</p> Signup and view all the answers

Flashcards

Breast lump characteristics

Breast lumps often present as painless, progressive, and irregularly shaped masses, commonly located in the upper outer quadrant. They are typically non-tender, hard, and may have poorly defined edges. There might be fixity (unable to move the lump independently from the surrounding tissue) with varying sizes.

Diagnosis to rule out

In a 45-year-old female with a breast lump, malignant breast cancer must be ruled out.

Breast Cancer in men

Breast cancer is extremely rare in men, often occurring in less than 0.5% of cases compared to women.

Clinical Evaluation for Breast Lump

A proper examination and assessment which looks to differentiate between normal and abnormal tissue are important when evaluating a breast lump. Features such as location, consistency, size, skin changes (e.g. fixation), nipple changes should be explored to support diagnosis. Further tests may be required.

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Nipple/Areola changes

Changes to the nipple or areola, including depression (retraction or inversion), unilateral changes, recent onset vs long standing, discharge etc, can be important indicators in evaluating breast health.

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Risk Factors for Breast Cancer

Factors that increase the likelihood of developing breast cancer, including genetic predispositions, hormonal influences, lifestyle choices, and medical history.

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Hormonal Factors for Breast Cancer

Hormones like oestrogen, influenced by factors like age at first period, menopause, pregnancy, and hormone treatments can play a role in cancer development.

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Genetic Mutations and Breast Cancer

Certain gene mutations, like BRCA1 and BRCA2, significantly increase the risk of breast, ovarian, and other cancers. Often pre-menopausal.

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Late-Stage Breast Cancer Symptoms

Loss of appetite, anaemia, signs of nutritional deficiencies, weight loss, and possibly skin changes (redness, dimpling, etc) can indicate advanced stages of breast cancer.

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Benign Breast Diseases & Cancer Risk

Some benign (non-cancerous) breast diseases, like cysts, may slightly increase the risk of breast cancer, particularly if they coexist with family history.

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Study Notes

Breast Lump - Differential Diagnosis and Workup

  • Patient Presentation: A 45-year-old female with a progressively enlarging lump in the upper outer quadrant of her right breast for 6 months. She is concerned and presents to the surgical clinic.

Possible Diagnoses to Rule Out

  • Breast Cancer: This is the primary concern given the presentation of a persistent, growing lump.

Diagnostic Approach

  • Detailed History: Obtain a complete history, including family history of breast cancer, early menarche vs late menopause, use of hormonal therapies (OCPs, HRT). Assess risk factors such as obesity, and diet for understanding potential influence. Assess any prior radiation therapy.
  • Physical Examination: Perform a thorough breast examination, noting the size, shape, consistency, location, and mobility of the lump and the skin overlying the area. Evaluate nipple/areola for any changes (retraction, discharge, skin changes). Assess for any associated skin changes (redness, puckering, dimpling).
  • Imaging:
  • Mammography: A cornerstone in breast cancer diagnostics, particularly for women over 40. If suspect a cancer, mammography will be done as early as possible.
  • Ultrasound: Useful for differentiating solid from cystic masses or for further evaluation of the breast lump.
  • MRI: Useful in certain cases , particularly for dense breasts.
  • Biopsy: If the above imaging and physical examination are inconclusive, surgical biopsy or needle biopsy of the suspicious mass is indicated. This is the conclusive method for definitive diagnosis. Confirm a proper and reliable specimen/sample. It’s important to get the proper sample from a qualified person to avoid misdiagnosis.

Important Clinical Features (Breast Cancer)

  • Location: Upper outer quadrant is a common location.
  • Consistency: Often hard in consistency.
  • Shape: Typically irregular in shape.
  • Mobility/Fixity: Assess for fixation to skin or underlying structures.
  • Skin Changes: Look for redness, dimpling, peau d'orange appearance (orange-peel texture) for signs of infiltration.

Other Important Considerations

  • Benign Breast Conditions: Rule out benign breast conditions such as cysts or fibroadenomas.
  • Risk Factors: Many factors, including genetics (BRCA1/2 mutations, p53 etc.), hormonal history, age.
  • Inflammatory Breast Cancer: This rare but aggressive form may present with warmth to the touch.

Prognosis (and Late Features of Cancer):

  • Features of poor nutritional status(anorexia/weight loss, anaemia, angular stomatitis, glossitis and ankles oedema) might be present in patients with advanced breast cancer
  • Advanced disease could lead to weight loss , loss of appetite.

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