不同类型的皮损在精确描述皮肤病中起重要作用。皮损分为原发性和继发性。
原发性皮损是皮肤病病理过程直接引起的皮肤变化,因其没有继发改变引起失真而比继发性皮损更有价值。原发性皮损包括:
1.1 斑疹
1.2 风团
1.3 丘疹
1.4 结节和囊肿
1.5 水疱和大疱
1.6 脓疱
继发性皮损是由原发性皮损演变或自我损伤(如搔抓)引起的皮肤改变。由于真实的病理过程在继发性皮损中被掩盖,不同原发性皮损可以变化为同样的继发性皮损,因而对医生的意义较小。
2.1 鳞屑
2.2 痂
2.3 坏死
2.4 糜烂
2.5 抓痕
2.6 溃疡
2.7 裂隙和皲裂
2.8 萎缩
2.9 瘢痕
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