小儿阴道炎临床较常见,多发生在2～9岁的儿童,约占幼女妇科疾病的57.6％。因其常与外阴炎并存,故一般称为小儿外阴—阴道炎。由于婴幼儿内源性雌激素缺乏,内外生殖器均未发育成熟;加之阴道粘膜菲薄,上皮缺乏糖元,pH值偏高,故易受感染。其发病途径为:①不注意外阴清洁;②由患阴道炎的家长或托育人员传染;③霉菌或滴虫性阴道炎常于分娩过程或出生后由母亲直接传播;④少数患儿可因肠道蛲虫、阴道异物等因素所致。在诸多病原体中,非特异性细菌感染最多见(占58.8％),其中大肠杆菌感染占80％,其次是肺炎双球菌、链球菌、葡萄球菌、变形杆菌及淋菌等,病毒、滴虫、霉菌感染较少见。1 诊断 根据本病临床表现,一般不难诊断。由于婴幼 Pediatric vaginitis clinical more common, occurred in children aged 2 to 9 years, accounting for 57.6% of gynecological diseases in young girls. Because of its coexistence with vulvitis, it is generally called pediatric vulva - vaginitis. Due to the lack of endogenous estrogen in infants and young children, both inside and outside the genitals are not mature; combined with the vaginal mucosa meager epithelial lack of glycogen, high pH, ​​it is susceptible to infection. The incidence of pathways: ① do not pay attention to the vulva clean; ② by the parents or carers suffering from vaginitis infection; ③ mold or trichomonas vaginitis often during delivery or after birth by the mother directly transmitted; ④ a small number of children may be due to Intestinal pinworm, vaginal foreign body and other factors. In many pathogens, the most common non-specific bacterial infections (58.8%), of which 80% of Escherichia coli infections, followed by pneumococcus, Streptococcus, Staphylococcus, Proteus and gonococcus, viruses, trichomoniasis, fungal infections Less common. A diagnosis based on the clinical manifestations of the disease, the general is not difficult to diagnose. Because of baby