Diseases

Gynecomastia

Enlargement of the BREAST in the males, caused by an excess of ESTROGENS. Physiological gynecomastia is normally observed in NEWBORNS; ADOLESCENT; and AGING males.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Enlargement of the BREAST in the males, caused by an excess of ESTROGENS. Physiological gynecomastia is normally observed in NEWBORNS; ADOLESCENT; and AGING males.

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Classification

Broader headings

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MeSH Record

Synonyms

9 entry terms
  • Male Breast Enlargement
  • Breast Enlargement, Male
  • Enlargement, Male Breast
  • Adolescent Gynecomastia
  • Infant Gynecomastia
  • Newborn Gynecomastia
  • Gynecomastia, Adolescent
  • Gynecomastia, Infant
  • Gynecomastia, Newborn

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

check tags HUMANS & MALE

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Gynecomastia. Medical Subject Headings (MeSH). 2026. Unique ID D006177. http://id.nlm.nih.gov/mesh/2026/D006177
  2. Gynecomastia. In: Wikipedia. https://en.wikipedia.org/wiki/Gynecomastia
  3. Gynecomastia. In: Wikidata. https://www.wikidata.org/wiki/Q339221