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    Glossary Male Breast Cancer

    rare cancer where malignant cells form in male breast tissue

    Male Breast Cancer, also known as Male Breast Carcinoma, is a rare condition where malignant cells form in the breast tissue of men. Although men have less breast tissue than women, they can still develop breast cancer, often presenting as a lump, skin changes, or nipple discharge. Early detection and treatment are crucial for better outcomes, and risk factors include genetic mutations (such as BRCA1 and BRCA2), family history, and exposure to radiation.

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    1. Dermatologist refused to prescribe finasteride due to “new research” on male breast cancer. anyone heard of this? Reddit · 1 Dec 2025
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    Research 10 of 1000+

    1. Male Breast Cancer and 5α-Reductase Inhibitors Finasteride and Dutasteride The Journal of Urology · 2013 · 32 citations
    2. Finasteride and Male Breast Cancer: Does the MHRA Report Show a Link? PubMed · 2010 · 12 citations
    3. Finasteride treatment and male breast cancer: a register-based cohort study in four Nordic countries Cancer Medicine · 2017 · 8 citations
    4. Finasteride Use and Risk of Male Breast Cancer: A Case–Control Study Using Individual-Level Registry Data from Denmark, Finland, and Sweden Cancer Epidemiology, Biomarkers & Prevention · 2019 · 7 citations
    5. 5-alpha Reductase inhibitors and risk of male breast cancer: a systematic review and meta-analysis International Braz J Urol · 2018 · 4 citations
    6. Male breast cancer after finasteride therapy for benign prostate hyperplasia Urological Science · 2013 · 1 citations
    7. Ductal breast cancer in a male patient International Journal of Dermatology · 2010
    8. Endocrine correlates of male breast cancer risk: a case-control study in Athens, Greece British Journal of Cancer · 2000 · 30 citations
    9. Long-term use of 5α-reductase inhibitors and the risk of male breast cancer Cancer Causes & Control · 2014 · 28 citations
    10. Male alopecia, finasteride, and cancer risk Community oncology · 2012
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    Learn 4 of 11

    1. Finasteride Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically
    2. Cyproterone a synthetic anti-androgen and weak progestogen that inhibits DHT binding to androgen receptor
    3. Mesotherapy Injections of drug or vitamin mixtures into the scalp
    4. Dutasteride 5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride
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