正常和生长发育异常的宫颈鳞状上皮（低倍镜）
2010-06-07 12:15:08   来源：   评论：0

10. Dysplasias may also involve the vulvar epithelium, seen here at the   right with overlying hyperkeratosis (producing an area of leukoplakia), with more normal (but atrophic) keratinizing squamous epithelium at the left. Most cases of vulvar intraepithelial neoplasia (VIN) do not progress to invasive cancer. Many are multicentric, and some occur in association with cervical or vaginal carcinoma.