皮肤性病学示教Р皮疹?SKIN LESIONSР表皮Р真皮Р皮下Р皮疹的分类Р原发性皮损(primary lesions)?由皮肤病理变化的直接结果?斑疹、斑块、丘疹、结节、风团、水疱、大疱、脓疱、囊肿等Р继发性皮损(secondary lesions)?指原发性皮损因自然演变而来,或因搔抓、治疗不当所致的继发性改变。?鳞屑、糜烂、浸渍、裂隙、萎缩、溃疡、结痂、抓痕、苔藓样变等Р原发性损害(primary lesions)Р斑疹、斑块、丘疹、结节、风团、水疱、大疱、脓疱、囊肿等РMacule: ?A macule is a circumscribed, flat lesion that differs from surrounding skin because of its color.Р1. 斑疹:皮肤黏膜的局限性颜色改变,与皮面平齐。Р分类:Р(1)按大小分:<1cm斑疹(macule);≥1cm斑片(patch)Р(2)按性质分:Р红斑:充血性,压之褪色?出血斑:渗出性,压之不褪色?色素沉着斑?色素减退斑Р出血斑:<2mm瘀点;>2mm瘀斑
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