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Related Concept Videos

The Mammary Glands01:12

The Mammary Glands

708
The female breast is a hemispheric projection of variable size positioned anterior to the pectoralis major and serratus anterior muscles. A fascia layer composed of dense, irregular connective tissue connects it to these muscles.
Each breast features a pigmented projection known as the nipple, through which milk emerges via closely spaced openings of ducts, referred to as lactiferous ducts. Surrounding the nipple is a circular pigmented area of skin named the areola, which appears rough due to...
708
Signs of Puberty01:27

Signs of Puberty

419
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
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Disorders of the Female Reproductive System01:24

Disorders of the Female Reproductive System

406
The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
406
Menopause01:28

Menopause

200
Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
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Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

438
The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH...
438
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

457
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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Updated: Jul 19, 2025

Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats
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Gynecomastia.

Ahila Ayyavoo1

  • 1Department of Pediatrics and Pediatric Endocrinology, G. Kuppuswamy Naidu Memorial Hospital, Coimbatore, 641037, Tamil Nadu, India. ayyavooahila@gmail.com.

Indian Journal of Pediatrics
|August 17, 2023
PubMed
Summary

Gynecomastia, or male breast enlargement, can result from hormonal imbalances, obesity, or certain medical conditions. While some cases resolve naturally, others may require medical or surgical intervention.

Area of Science:

  • Pediatric Endocrinology
  • Hormone Research
  • Clinical Medicine

Background:

  • Gynecomastia, characterized by male breast enlargement, stems from disruptions in the androgen-estrogen balance and other hormonal influences.
  • Common etiologies include puberty, obesity, drug use, and hypogonadism, with other conditions like liver/renal failure, thyrotoxicosis, and Klinefelter syndrome also implicated.

Purpose of the Study:

  • To provide a comprehensive overview of gynecomastia, covering its causes, diagnostic approaches, and therapeutic strategies.
  • To highlight the importance of thorough clinical evaluation in guiding investigations and management plans.

Main Methods:

  • Review of existing literature on gynecomastia.
  • Emphasis on clinical examination of the breasts and testes, alongside systemic assessment.
Keywords:
AromataseEstrogenGynecomastiaSurgeryTamoxifen

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  • Evaluation of hormonal profiles and other relevant investigations based on clinical findings.

    • Main Results:

    • Hormonal imbalances, obesity, medications, and underlying diseases are primary drivers of gynecomastia.
    • Medical management, including tamoxifen, shows promise for adolescents, while surgery is reserved for severe, chronic cases.
    • Addressing underlying conditions, such as hypogonadism with testosterone, can improve gynecomastia.

    Conclusions:

    • Gynecomastia necessitates a tailored diagnostic and management approach based on individual patient factors.
    • While some cases resolve spontaneously, targeted treatments, ranging from medication to surgery, are available for persistent or severe conditions.
    • Further research into the efficacy of various medical treatments in different age groups is warranted.