皮角是皮肤角化增生性病变,以局限性的表皮棘细胞较速增殖,角质细胞过度角质化的结果。由于角质异常较快增生,病变细胞呈柱状同心性排列,并堆集增高,其质坚硬,外形逐渐生长类似兽角,故而取名皮角。本病老年多发,临床以单发性多见,少数病 Skin keratoderma is a hyperkeratotic lesion of the skin that results in the rapid proliferation of localized epidermal prickle cells and excessive keratinocyte keratinocytes. Due to the rapid proliferation of horny abnormalities, the diseased cells are arranged in a columnar concentric manner and piled up, their quality is hard, and the shape gradually grows like a horn, so the skin angle is taken. The disease is frequent in the elderly, clinically more common than single, and a small number of diseases