Vulvar Intraepithelial Neoplasia

**Semantic type:** Neoplastic Process

**Definition:** Intraepithelial neoplasia of the vulvar squamous epithelium. There is no evidence of invasion. It includes vulvar squamous intraepithelial lesion, HPV-associated and vulvar intraepithelial neoplasia, HPV-independent.

**Synonyms:** - Intraepithelial Neoplasia of Vulva - Intraepithelial Neoplasia of the Vulva - Squamous Vulvar Intraepithelial Neoplasia - VIN - Vulva Intraepithelial Neoplasia - Vulval Intraepithelial Neoplasia - Vulvar Dysplasia