Enlarged Breast Tissue in Men

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The appearance of enlarged breast tissue in men can be either due to the true enlargement of actual breast tissue or a result of deposition of fat in the pectoral area of the chest. True enlargement of the gland tissue of the breast is due to hormonal fluctuations or imbalances. Breast enlargement in men due to this condition is referred to as gynecomastia. However, especially in obese or overweight men, there can be an increase in fatty tissue over the breast area. This condition, which is not the same as true enlargement of male breast tissue, creates an appearance of enlarged breasts and is known as pseudogynecomastia.

Doctors can usually tell whether or not enlarged breasts in men are due to true gynecomastia by the physical examination, but sometimes other testing is required. True gynecomastia (enlargement of breast tissue), in men is not uncommon and can be seen in normal, healthy boys during puberty or in men as they age. Medical conditions that interfere with the body's hormonal balance can also cause breast enlargement in men.

Medically Reviewed by a Doctor on 12/1/2014

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