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Real Gynecomastia correction can be done only with excision of the gland through an incision under the areola.Liposuction can remove only fat,not the gland and therefore is not a cure.
Liposuction for gynecomastia
If you have excess fat in your chest, then UAL can definitely help.
However, a physical examination by an experienced plastic surgeon can determine if this technique will help achieve the results you want.
You have a mild, yet noticeable case of gynecomastia. I use an ultrasonic machine to help me perform the liposuction as the breast is quite fibrous and it helps me complete the process (not required though). Then, to complete the treatment, you will need excision of breast gland through an incision around the lower half of the areola. You will have good results with essentially invisible scarring.
This is probably a combination of Fat and gland tissue. The fat can be removed with any of the standard liposuction techniques and the gland which is very hard, requires some form of surgery. I prefer using a small opening in the arm pit and a specialized instrument to shred the gland and suction it out. Here again, any of the standard methods will work well if the surgeon is comfortable it. You should do well. Good luck.