Chapter Summary Preoperative consultation should include the following elements: medical, surgical and social history, list of current medications, allergies, problem-focused physical examination, and explanation of any proposed procedure. Medical conditions may impact outcomes of cutaneous surgery, including pregnancy, hypertension, and…
Chapter Summary A dermatologic surgeon's skill depends upon knowledge of basic instrumentation and wound closure materials. Knowledge of the basic engineering principles such as stress–strain and basic metallurgy is an essential prerequisite to understanding instrumentation and materials. Investing in high-quality…
Chapter Summary Most skin surgery can be performed under local anesthesia, avoiding the risks associated with general anesthesia. Local anesthetics reversibly interrupt propagation of nerve impulses by interfering with sodium ion influx into peripheral nerve cells. Topical application is particularly…
Chapter Summary In surgical procedures, there are four potential sources of contamination: the personnel, the surgical environment, the patient, and the instruments, with the patient's normal flora being the most common reservoir. Appropriate measures to ensure aseptic technique depend upon…
Chapter Summary Wound healing and the final surgical result depend on the anatomic location, structure of the skin and its functional interaction with underlying elements of the region. Anticipation of the dynamic tension exerted on free margins of the eyelid,…
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Description ■ Leprosy, or Hansen's disease, is a chronic infection caused by the bacteria Mycobacterium leprae. ■ The disease infects the skin and nervous system primarily, leading to visible skin lesions and autoamputation of the fingers and toes, and thus…
Description ■ Leishmaniasis is a parasitic, protozoal infection transmitted by an arthropod bite and acquired in tropical and subtropical areas of the world. History ■ Leishmaniasis is caused by an intracellular infection by protozoa of the genus Leishmania. ■ The…
Introduction ■ Laser is an acronym for light amplification by the stimulated emission of radiation. ■ Laser light is a monochromatic (single wavelength), coherent (waves in phase), and collimated (waves travel in parallel) form of energy. ■ In the skin,…