将真菌感染分成系统性、皮下性或浅表性是一种简便的分类方法.“系统性”这一名词的一种根本含义,即:感染侵及深部器官,如肺、脑、淋巴结或其他内脏.可局限于上述脏器之一,常位于肺,在某种条件下也可能广泛散播到其他器官(包括皮肤),即一种播散性感染.引起系统性真菌感染的病原菌常从肺进入(如组织胞浆菌病),但也可见到其他侵入途径,如系统性念珠菌病可通过胃肠道 Dividing a fungal infection into systemic, subcutaneous or superficial is a simple classification method. “One of the fundamental implications of the term” systemic "is that infections invade deeper organs such as lungs, brain, lymph nodes Or other viscera may be confined to one of the organs, often in the lungs, under certain conditions may also be widely disseminated to other organs (including the skin), that is a disseminated infection caused by systemic fungal pathogens often Enter from the lungs (such as histoplasmosis), but other routes of invasion can also be seen, such as systemic candidiasis through the gastrointestinal tract