1.3 丘疹

复习:

Huiting Dong ,Zhengzhou

概述:

同义词

丘疹

定义/描述

局灶性皮肤内物质增加，可以摸到，边界清晰而表面通常光滑

颜色：炎症引起的呈红色；继发于其他沉积时可为红色、棕色或黄色

大小：＜ 5 mm

定位

可以发生于全身，如斑疹-丘疹性疹病

病程

丘疹可以融合形成斑块

丘疹可以增大变为结节

可以发鳞屑、痂皮或糜烂

可以与斑疹（斑疹-丘疹）、水疱（丘疹-水疱）或脓疱（丘疹-脓疱）并存

评论/解释

与结节的不同是结节 ＞ 10 mm

炎症性丘疹通常瘙痒

典型皮肤病

药疹、扁平苔藓、疥疮疹、结节性疥疮

肿瘤如早期结节型基底细胞癌

病理生理学

炎症浸润、脂类沉积、细胞增生

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