爪甲角化增厚,是一种病理的外观改变。在爪甲霉菌病、牛皮癣等都可以发生此种病理改变。其中以爪甲霉菌病最为常见,且具有传染性,为害颇大。故将其病因、治疗方法及预防详细介绍于后。病因:爪甲霉菌病(俗称灰指甲)是由于霉菌侵犯爪甲所致,这些霉菌包括黄癣菌属,毛发癣菌属之各种癣菌及表皮癣菌属之红色表皮癣菌。其传染途径,多由于患者先有其他部位之感染,如头部毛发癣菌病、头部黄癣或红色表皮癣菌所致之手足癣等,然后再由于抓痒、搓足等病灶接触而发生 Claw hyperkeratosis, is a pathological appearance change. In clavularium mold disease, psoriasis, etc. can occur such pathological changes. Among them, clavularium mold is the most common and contagious, causing a lot of damage. Therefore, the etiology, treatment and prevention details later. Etiology: clavularium mold disease (commonly known as onychomycosis) is due to the invasion of claw A caused by mold, these molds include Trichophyton, Trichophyton mentagrophytes various dermatophytes and epidermal dermatophytes of the red dermatophytes. The route of transmission, mostly due to patients with other parts of the first infection, such as head hair ringworm, head or ringworm caused by epidermal dermatophytes, such as hand, foot and ringworm, and then due to scratch, rub foot and other lesions contact occur