KA: keratoacanthoma INTRODUCTION Keratoacanthoma (KA), a neoplasm of epidermal cells from the hair follicle unit, is often present on chronic sun-exposed skin. Many facets of this neoplasm are controversial, including… Click to show full abstract
KA: keratoacanthoma INTRODUCTION Keratoacanthoma (KA), a neoplasm of epidermal cells from the hair follicle unit, is often present on chronic sun-exposed skin. Many facets of this neoplasm are controversial, including its epidemiology, etiology, and biologic behavior, including malignant potential and recommendations for treatment. This case presents a treatment option for multiple reactive KAs that is both conservative and noninvasive.
               
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