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Definition & Overview. The destruction of premalignant lesions is the process of removing skin abnormalities using different surgical procedures. These include electrosurgery, laser surgery, cryosurgery, surgical curettement, and chemosurgery. Skin lesion occurs when a part of the skin changes in colour, texture, or thickness.
Secondary lesions may evolve from primary lesions, or may be caused by external forces such as scratching, trauma, infection, or the healing process. The distinction between a primary and secondary lesion is not always clear. 19. ULCERATION.