Your doctor will ask you questions about your medical and drug history and what health conditions run in your family. The doctor will also do a physical examination that may include careful evaluation of your breast tissue, abdomen and genitals.
Initial tests to determine the cause of your gynecomastia may include:
You may need further testing depending on your initial test results, including:
- Computerized tomography (CT) scans
- Magnetic resonance imaging (MRI) scans
- Testicular ultrasounds
- Tissue biopsies
Conditions that cause similar symptoms
Your doctor will want to be sure your breast swelling is actually gynecomastia and not another condition. Other conditions that can cause similar symptoms include:
Jan. 02, 2014
- Fatty breast tissue. Some men and boys have chest fat that resembles gynecomastia. This is called false gynecomastia (pseudogynecomastia), and it isn't the same as gynecomastia.
- Breast cancer. This is uncommon in men, but can occur. Enlargement of one breast or the presence of a firm nodule raises the concern for male breast cancer.
- A breast abscess (mastitis). This is an infection of the breast tissue.
- Dickson G. Gynecomastia. American Family Physician. 2012;85:716.
- Braunstein GD. Epidemiology and pathogenesis of gynecomastia. http://www.uptodate.com/home. Accessed Aug. 28, 2013.
- Papadakis MA, et al. Current Medical Diagnosis & Treatment 2013. 52nd ed. New York, N.Y.: The McGraw-Hill Companies; 2013. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=1. Accessed Aug. 29, 2013.
- Morcos RN, et al. Gynecomastia: When is treatment indicated? The Journal of Family Practice. 2012;61:719.
- Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed Aug. 29, 2013.
- Braunstein GD. Causes and evaluation of gynecomastia. http://www.uptodate.com/home. Accessed Aug. 29, 2013.