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Liposuction is an integral part of the wide range of surgical procedures in dermatology. Dermatologists established tumescent local anesthesia in combination with the use of micro-cannulas; especially dermatologists from Germany and Austria actively designed and developed these new techniques. In this position paper, we discuss the history, various interdisciplinary aspects, the significance, and the treatment indications for this procedure as well as its role within dermatologic training programs and research. For quality reasons, members of the Germany Society of Dermatologic Surgery and the Austrian Society of Dermatologic Surgery discuss several fundamental professional aspects as well as the historical development of liposuction., (© The Authors • Journal compilation © Blackwell Verlag GmbH, Berlin.)

Hypertrophic scars and keloids form due to aberrations in the physiologic wound healing cascade characterized by greater and more sustained ECM deposition. Both entities are frequently associated with pain, pruritus and contractures, and are thus significantly affecting the patient's quality of life. Genetic susceptibility, specific anatomic locations, prolonged inflammation and delayed epithelialization significantly contribute to excessive scar formation. However, despite intensive scientific work in this field the complex mechanisms underlying the processes of scarring and wound contraction remain poorly understood and most therapeutic approaches are clinically unsatisfactory. Nevertheless, based on a rising number of clinical studies next to well-known therapeutic concepts including cryotherapy and intralesional triamcinolone, recent techniques extend the spectrum for treating excessive scars. Nonetheless, prevention of pathologic scarring is undoubtedly more effective than to later attempts to treat it.

Background: Despite the enormous progress in dermatosurgery during the last 35 years,this achievement is not always appropriately acknowledged by other surgical specialties. We outline the significance of dermatosurgery by looking at the development of dermatological operations at the Department of Dermatology,University of Munich/Hospital of Munich Thalkirchner Strasse., Patients and Methods: Data were collected and analyzed from surgery records, tables and from the SAP ISH-Med.The survey covered the time frame from 1971 to 2006., Results: There were 101,103 inpatient operations. The number of operations per year increased steadily,especially the number of medium-sized and large operations. A special domain of dermatosurgery is the sentinel lymph node biopsy in patients with malignant melanoma. In the last years, there was a continuous increase of patients in whom more than one tumor had to be excised. The percentage of patients undergoing dermatosurgery was constant at 46% of all inpatients., Conclusions: The surgical therapy of skin tumors is the most important part of inpatient treatment of dermatology patients. The development of dermatosurgery shows that due to the increase of skin tumors and the opening of new fields of activity (for example the removal of sentinel lymph nodes) there is a growing demand for dermatological surgeons. Solid training and competent representation in dermatology and attention to our interactions with other surgical specialties will help guarantee optimal patient care in the future.