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Dermatology (from Greek lang: δέρμα, derma, "skin"; and lang: -λογία, -logia) is a branch of medicine dealing with the skin and its appendages (hair, sweat glands, etc).
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Wikipedia about dermatology
Dermatology (from Greek lang: δέρμα, derma, "skin"; and lang: -λογία, -logia) is a branch of medicine dealing with the skin and its appendages (hair, sweat glands, etc).
Subspecialties
The skin is the largest organ of the body and is the most visible. Although many skin diseases are isolated, some are manifestations of internal disease. Hence, a dermatologist is schooled in aspects of surgery, rheumatology (many rheumatic diseases can feature skin symptoms and signs), immunology, neurology (the "neurocuteaneous syndromes", such as neurofibromatosis and tuberous sclerosis), infectious diseases and endocrinology. The study of genetics is also becoming increasingly important.
Venereology and phlebology
Venereology, the subspecialty that diagnoses and treats sexually transmitted diseases, and phlebology, the specialty that deals with problems of the superficial venous system, are in some countries part of a dermatologist's expertise.
Cosmetic dermatology
Cosmetic dermatology has long been an important part of the field, and dermatologists have been the primary innovators in this area. In the 1900's dermatologists employed dermabrasion to improve acne scarring and fat microtransfer was used to fill in cutaneous defects. Dermatologists specializing in cosmetic dermatology typically use non-invasive procedures to reverse the signs of aging. Botox has been used since it was FDA approved for the treatment of wrinkles. It is used to minimize wrinkles such as frown lines and crow's feet. Fillers are used to "fill in" lines on the face and to minimize the appearance of wrinkles. Brand names of fillers include Restylane, Perlane, Juvederm, Radiesse and Cosmoplast among many others. Dermatologists are also the pioneers of energy based treatments for the skin and these include lasers, intense pulsed light, radiofrequency, infrared light and photodynamic treatments.
Dermatologic surgery
Dermatologic surgery (dermasurgery) is performed by all dermatologists. Surgery is an integral part of dermatology residency training; thus all dermatologists are well trained in cutaneous surgery. In North America specialized training through a 1 year dermatologic surgery fellowship is available upon completion of the dermatology residency, and usually focuses on training in Mohs' micrographic surgery. Most dermatologic surgeons who have a special interest in this field apply for fellowship status with the American College of Mohs Surgery1; or the American Society for Dermatologic Surgery.
Techniques available to a dermatologic surgeon include lasers, traditional scalpel surgery, electrosurgery, cryosurgery, photodynamic therapy, liposuction, blepharoplasty (cosmetic eyelid surgery), minimally-invasive facelift surgery (e.g., the S-lift), and a variety of topical and injectable agents such as dermal fillers including fat transfer and hyaluronic acid. Some specially trained dermatologic surgeons perform Mohs surgery, which can be an effective method for the treatment of recurrent, indistinct, or difficult skin cancers.























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