当指（趾）甲因外伤或经常抓挠而断裂后感染真菌时，就会发生指甲真菌病。I [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...]