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Vulvar intraepithelial neoplasia
Pronunciation
Definition 1
Abnormal cells are found on the surface of the vulvar skin. These abnormal cells may become cancer and spread into nearby tissue. Also called VIN and vulvar carcinoma in situ. (NCI Dictionary)
Definition 2
A precancerous neoplastic process characterized by dysplasia and maturation abnormalities of the vulvar squamous epithelium. There is no evidence of invasion. It is associated with human papillomavirus infection and is classified as low or high grade. (NCI Thesaurus)
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