General
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• Type of vulvar intraepithelial neoplasia
• Multiple small papules, often pigmented, in vulva of young women
• Grossly resemble verrucae
• Does not progress to invasive carcinoma, but may recur
• Distinction between Bowen's disease/CIS and bowenoid papulosis can usually be made clinically

Micro description
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• Atypia up to carcinoma in-situ, non-invasive
• Dysplastic cells arise in background of orderly epithelium with sparing of acrotrichium

Positive stains
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• HPV, p53

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