Pathological changes state is clear, local skin presents limitation conic shape cutin is proliferous, the ache when bunting is acuteness.

• 鸡眼多患于足部,少见于手部,可单发,也可多发。病变境界清楚,局部皮肤呈局限性圆锥状角质增生,顶撞时疼痛剧烈。