Gynecomastia
Clinical
- Occurs from puberty to old age with peaks at both ends of the range
- Rarely described in infants
- May be unilateral or bilateral
- Rarely regresses spontaneously
- Most cases idiopathic
- Associated medical conditions
- Cirrhosis
- Germ cell tumors
- Hyperthyroidism
- Hypogonadism
- Lung carcinoma
- Associated drugs
- Androgens
- Antiretrovirals
- Cimetidine
- Digitalis
- Estrogens
- Marijuana
- Spironolactone
- Tricyclic antidepressants
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