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Introduction: During the last two decades, in parallel to the increased prevalence of bariatric procedures, there has been a marked increase in the prevalence of abdominoplasty surgery in the United States, and in accordance an increase in the scientific and clinical research related to all aspects of this technique. The most common complication of abdominoplasty is the formation of post-operative seroma. Various theories have been raised regarding the pathophysiology of seroma formation, and numerous methods for seroma prevention have been employed and tested. In the early 90's, a new theory argued that post-operative seroma formation is secondary to damage caused to the abdominal wall's lymphatic drainage during flap undermining. In light of this theory, a new surgical technique was suggested to execute the flap undermining in a more superficial plane. This enabled the preservation of the scarpa fascia and the deep adipose compartment, which preserved the integrity of the abdominal wall lymphatic collectors. This method was successful in reducing the rate of postoperative seroma formation. Recent studies have shed new light on the anatomy of the abdominal lymphatic collectors, pathophysiology of seroma formation and methods of its prevention. This new data undermines the foundations of the scarpa fascia preservation theory, and the surgical technique that was derived from it. A new theory that tries to settle the contradiction between the clinical success of the technique in reducing seromas and the new findings regarding abdominal wall's lymphatic collectors anatomy, is the presence of a 'sticky interface' between the deep adipose compartment and the flap.

Introduction: Partial resections of the breast are more than 50% of breast oncological surgery. The resulting defect can be substantial and cause meaningful deformity that leads to reduced body image satisfaction of the patients, affecting their ability to cope with the cancer. Parallel to the development of breast oncology techniques, an evolution of breast reconstruction techniques occurred. During the last decade, by using techniques from cosmetic breast surgery (such as breast reductions, augmentations and mastopexies), we can reconstruct extensive partial defects of the breasts at the immediate and delayed setting and achieve symmetrical aesthetic results. Of the 350 oncological breast surgeries a year performed in our center, 70% undergo partial breast resection and only 10% of those surgeries exhibit a defect necessitating reconstruction. The recovery and post-operative complications, especially in the immediate setting, are significantly reduced in comparison to total breast reconstruction. Our experience shows that by using plastic surgery techniques in those operations, we can overcome the deformity created by large partial resection of the breast and improve the mental recovery from breast cancer.