Gynecomastia is caused by an imbalance between the sex hormones estrogen and testosterone. All males have both hormones, but the testosterone proportion is usually high in males. Higher production of estrogen in men’s bodies results in gynecomastia abnormality. Gynecomastia normally resolves with surgery. Having a surgical removal of enlarged male breasts will resolve the problem of gynecomastia permanently. The surgical process for male breast reduction includes the removal of excessive male breast tissue from the patient.