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Plastic Surgery’s Did You Know? Fat Cell Biology

 

Other than skin, fat is the most commonly manipulated tissue by plastic surgeons. Most people think of fat removal by liposuction when they think of plastic surgery by fat transplantation by injection is becoming increasingly popular. But when fat cells are removed or transplanted the questions are whether they will come back or do they survive and grow? The basic science of fat cell biology helps answer these questions.

Injectable Fat Grafting Indianapolis Dr EppleyFat cells are created during the last three months of pregnancy and during puberty and are influenced by the estrogen and testosterone hormones. The development of fat cells and their distribution are the same in male and females until puberty when the surge in hormones changes their bodily distributions. After puberty, fat cells do not generally replicate or are created (fat cell hyperplasia) and their number remains fairly stable for the rest of one’s life. One may get heavier or get bigger in certain body areas because fat cells gets bigger taking on excess calories. (fat cell hypertrophy) This is best illustrated as to what happens in the bariatric surgery patient where extreme amounts of weight loss occur…their fat cells merely get smaller but not less in number.

Liposuction removes fat cells but leaves many fat cells behind. No liposuction treated area removes all the fat cells. If one gains weight after liposuction, those remaining fat cells can get bigger. Thus one cal potentially wipe out any body contouring benefits from the procedure. When fat cells are transplanted, those that survive have the same characteristics from whence they came which is usually the stomach area. With weight gain those transplanted fat cells can get bigger or with weight loss those same fat cells can get smaller. Thus fat injected areas can grow or get smaller after transplantation.

Dr. Barry Eppley

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Dr. Barry EppleyDr. Barry Eppley

Dr. Barry Eppley is an extensively trained plastic and cosmetic surgeon with more than 20 years of surgical experience. He is both a licensed physician and dentist as well as double board-certified in both Plastic and Reconstructive Surgery and Oral and Maxillofacial Surgery. This training allows him to perform the most complex surgical procedures from cosmetic changes to the face and body to craniofacial surgery. Dr. Eppley has made extensive contributions to plastic surgery starting with the development of several advanced surgical techniques. He is a revered author, lecturer and educator in the field of plastic and cosmetic surgery.

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