High Grade Vaginal Intraepithelial Neoplasia

**Semantic type:** Neoplastic Process

**Definition:** Vaginal intraepithelial neoplasia characterized by the presence of moderate or severe dysplastic changes.

**Synonyms:** - High Grade VAIN - High Grade Vaginal Squamous Intraepithelial Lesion - High-Grade Vaginal Squamous Intraepithelial Lesion