Grading & Level of Importance: A
脂溢性疣
表皮疣状增生性良疾病，非病毒相关，特征性地见于老年人，但也可见于青年。是最常见的良性皮肤肿瘤。
机制未明，多数因表皮生长因子受体3（EGFR3）突变造成。
临床表现多种多样，扁平或圆顶形，棕黄色、棕色或者黑色，伴有疣状表面，有时伴刺激后症状。
身体任何部位，常见于躯干和面部。
组织病理表现多样，主要标准为：棘层增厚、角化过度、假性角囊肿，通常可见表皮色素沉着。
可生长至数厘米大小，但不能自动消失。
依据临床特点，皮肤镜有助于诊断，组织病理。
可选择的方法：刮除法、激光和削除。
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