Male breast enlargement (gynecomastia) occurs around puberty and in old age border=0>Pathological manifestations are ductal hyperplasia without follicular hyperplasia border=0> The causes of gynecomastia are difficult border=0>such as excess estrogen or insufficient androgens border=0>In addition border=0>pituitary adenoma border=0>Testicular tumors and liver disease can cause gynecomastia. 0>Thyroid disorders border=0>Adrenocortical disorders border=0>Testicular tumors and liver disorders can cause gynecomastia border=0>People who take estrogen for prostate disorders. The clinical manifestation of gynecomastia is the presence of flat, round lumps in the areola area, mostly unilateral. The lumps are mostly painless border=0>in some cases there may be pain and tenderness border=0>smaller lumps are border=0>to border=0>cm in diameter border=0>larger ones are nearly as large as adult women’s breasts border=0>they should be differentiated from male breast cancer border=0>the latter is hard border=0>infiltrate the surrounding tissue border=0>with limited mobility border=0>Gynecomastia is examined in this way Breast development is approximately border=0>-border=0>- border=0>-border=0>percent bilaterally symmetrical or asymmetrical border=0>also unilateral (left side more common than right side) border=0>The development of the breast varies in size border=0>Asymmetrical or symmetrical bulges are often seen in both breasts border=0>Smaller cases have only flat round nodules palpable under the skin of the areola border=0>Harder and tougher border=0>Margins are still clear border=0>Neat border=0>Good mobility border=0>No adhesions to the skin border=0>Multiple nodules in the areola 0>No adhesion to the skin border=0>Lumps are located in concentric circles with the nipple border=0>If an eccentric round mass is found border=0>then other lesions should be considered just now border=0>Talking clinically this mass is called ‘adenomatous’ border=0>Another part of the developing breast has indistinct margins and shows diffuse hyperplasia border=0>and the surrounding breast tissue often fuse together border=0>and there is no rehabilitation under the areola obvious nodules touching border=0>the larger ones can gradually bulge as the size of female breast border=0>clinical role called this type ‘diffuse type’ border=0>the developing breast can often have swelling painful sensation border=0>or tingling border=0>throbbing pain border=0>If there are obvious business nodules border=0>There can often be pressure or tenderness border=0>Rarely without pain border=0>Management treatment of gynecomastia Clearly usually does not require field treatment border=0>Most patients have been treated in the onset border=0>to years 0>~ border=0> years to disappear on their own border=0> If the onset of the disease is due to the use of estrogen border=0> it will gradually subside after stopping the drug border=0> If there is pain and other symptoms, you can take oral methyltestosterone border=0> daily border=0> times border=0> do not want each time border=0>mg border =0>Can be taken continuously for about one month border=0>If it is obvious that significant hypertrophy and easily affects the appearance border=0>Can be operated in the month and removed border=0>But the nipple should be preserved border=0>