Gynecomastia (patient information): Difference between revisions
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Revision as of 16:27, 22 August 2015
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(Gynecomastia) |
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(Gynecomastia) On the Web |
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For the WikiDoc page for this topic, click here
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aarti Narayan, M.B.B.S [2]
Overview
Gynecomastia is the growth of abnormally large breasts in males. It is due to the excess growth of breast tissue, not excess fat tissue.
What are the symptoms of Gynecomastia?
There is enlargement of breast tissue.
What causes Gynecomastia?
Androgens are hormones that create male characteristics, such as hair growth, muscle size, and a deep voice. Estrogens are hormones that create female characteristics. All men have both androgens and estrogens.
Changes in the levels of these hormones, or in how the body uses or responds to these hormones can cause enlarged breasts in men.
More than half of boys develop gynecomastia during puberty.
Other causes include:
Aging Cancer chemotherapy Chronic liver disease Exposure to anabolic steroid hormones Exposure to estrogen hormone Kidney failure and dialysis Lack (deficiency) of testosterone (male hormone) Marijuana use Hormone treatment for prostate cancer Radiation treatment of the testicles Side effects of some medications (ketoconazole, spironolactone, metronidazole, cimetidine (Tagamet))
Rare causes include:
Genetic defects Overactive thyroid Tumors
Breast cancer in men is rare. Signs that may suggest breast cancer include:
One-sided breast growth Firm or hard breast lump that feels like it is attached to the tissue Skin sore over the breast Bloody discharge from the nipple
When to seek medical care?
Call your health care provider if:
You have recent swelling, pain, or enlargement in one or both breasts There is dark or bloody discharge from the nipples There is a skin sore or ulcer over the breast A breast lump feels hard or firm
Note: Gynecomastia in children who have not yet reached puberty should always be checked by a health care provider.
Treatment options
Home care
Apply cold compresses and use pain relievers ( analgesics) as your health care provider recommends if swollen breasts are also tender.
Other tips include:
Stop taking all recreational drugs, such as marijuana Stop taking all nutritional supplements or any drugs you are taking for bodybuilding
What to expect from your Office visit?
Your health care provider will take a medical history and perform a physical examination.
Medical history questions may include:
Is one or both breasts involved? What is the age and gender of the patient? What medications is the person taking? How long has gynecomastia been present? Is the gynecomastia staying the same, getting better, or getting worse? What other symptoms are present?
Testing may not be necessary, but the following tests may be done to rule out certain diseases:
Blood hormone level tests Breast ultrasound Liver and kidney function studies Mammogram
Intervention
If an underlying condition is found, it is treated. Your physician should consider all medications that may be causing the problem. Gynecomastia during puberty usually goes away on its own.
Breast enlargement that is extreme, uneven, or does not go away may be embarrassing for an adolescent boy. Treatments that may be used in rare situations are:
Hormone treatment that blocks the effects of estrogens Breast reduction surgery