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Vulvar Intraepithellal Neoplasia

 

Vulvar Intraepithelial Neoplasia

 

Vulvar intraepithelial neoplasia (VIN) is abnormal cells on your vulva that are not cancer but can sometimes become cancer if not treated. Some cases of VIN are caused by human papilloma virus (HPV). Other cases of VIN are associated with conditions that cause chronic vulvar irritation such as squamous cell hyperplasia (lichen simplex chronicus), lichen sclerosus or lichen planus.