Gynaecomastia
GYNAECOMASTIA
The presence of glandular breast tissue in males is called gynaecomastia . It results from an imbalance between estrogen and androgen. Estrogen promotes while androgen opposes breast tissue formation.
CAUSES OF GYNAECOMASTIA
Idiopathic
Physiological
Neonates
Peripubertal in adolescents
Old age
Drug-induced
■ Cimetidine
• Digoxin
• Spironolactone
• Anti-androgen therapies for prostatic carcinoma
• Some exogenous anabolic steroids,
Hypogonadism
Primary
Klinefelter’s syndrome
Autoimmune gonadal failure
Mumps orchitis
Haemochromatosis
Chemotherapy or infarction
Rare forms of congenital adrenal hyperplasia
Secondary
• Hypopituitarism
• Kallmann’s syndrome (GnRH deficiency)
• Hyperprolactinemia
Estrogen excess
Liver failure (impaired steroid metabolism)
An estrogen-secreting tumor (testes, adrenal)
Human chorionic gonadotrophin (HCG)-secreting tumors (testes, lung)
DIAGNOSIS
Take proper history especially drug history. Practically most of the patients with gynecomastia
are on drugs such as spironolactone for cardiac failure or cirrhosis of the liver.
Perform serum testosterone, FSH, LH, estradiol, prolactin, and HCG.
MANAGEMENT
Treat the cause
Surgical excision by a plastic surgeon for cosmetic reasons.