🎙️ MSRA Podcast: Gynaecomastia – All You Need to Know for Exams! 🎧
🧑⚕️ Struggling with gynaecomastia for the MSRA? Get all the essential info you need—definitions, causes, differentials, management, and red flags—in one focused, high-yield episode! Perfect for revision, practice, and quick recall. Let’s make this topic stick! 💡
📖 Definition
• Gynaecomastia = benign enlargement of male breast tissue (glandular, not just fat)
• Caused by an imbalance between oestrogen (⬆️) and androgens (⬇️)
🔍 Causes
• Physiological: newborns 👶 (maternal oestrogen), puberty 🧑🎓 (60% of boys), older age 👴
• Pathological: hormonal (hypogonadism, hyperthyroid, testicular/adrenal tumours, cirrhosis, CKD), drugs 💊 (spironolactone, anti-androgens, anabolic steroids, antipsychotics, antiretrovirals, cimetidine, ketoconazole, amiodarone, methyldopa, isoniazid), obesity, Klinefelter, idiopathic
• Mnemonic: PAMA-RMO = Puberty, Ageing, Medications, Anabolic steroids/Marijuana, Renal/Liver disease, Medical/Family history, Obesity
🧬 Pathophysiology
• Oestrogen stimulates growth, androgens inhibit it
• Persistent imbalance ➡️ glandular tissue proliferation
• Chronic = fibrosis (may be irreversible)
🩺 Symptoms
• Unilateral or bilateral, firm, sometimes tender disc under the nipple
• Psychological impact: embarrassment, low self-esteem
⚠️ Differential Diagnosis
• Breast cancer (hard, irregular, unilateral, rapid growth, nipple/skin changes, axillary nodes, FHx BRCA, Klinefelter)
• Pseudogynaecomastia (fat only), lipoma, mastitis
🧑🔬 Diagnosis
• Clinical history + exam (onset, drug history, systemic features)
• Bloods: U&E, LFTs, TFTs, testosterone, oestrogen, prolactin, β-hCG, AFP
• Imaging: breast US/mammogram (if suspicious), testicular US, chest X-ray
• Biopsy if malignancy suspected
🩹 Management
• Reassure if physiological/puberty
• Treat underlying cause: stop causative meds, manage comorbidities
• Medical: Tamoxifen if persistent/painful
• Surgical: Liposuction or gland excision if severe or fails medical Rx
• Refer if red flags/malignancy suspected
🌟 Prognosis & Complications
• Most cases resolve (esp. physiological/puberty, if cause corrected)
• Psychological distress is common—address openly
• Surgical risks: scarring, asymmetry, altered nipple sensation
• Underlying malignancy is rare but serious—never miss red flags!
• 📚 Revision Notes:
https://www.passthemsra.com/topic/gynaecomastia-revision-notes/
• 🃏 Flashcards:
https://www.passthemsra.com/topic/gynaecomastia-flashcards/
• ❓ Accordion Q&A:
https://www.passthemsra.com/topic/gynaecomastia-accordion-qa-notes/
• 🏆 Rapid Quiz:
https://www.passthemsra.com/topic/gynaecomastia-rapid-quiz/
• 🎓 Endocrinology MSRA Course:
https://www.passthemsra.com/courses/endocrinology-for-the-msra/
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Ready to boost your MSRA revision? Tap the links, test your knowledge, and master gynaecomastia for exam day! 🚀
📝 Key Learning Points🛠️ Useful MSRA Gynaecomastia Resources