VIN definition
Chronic vulval skin disorder characterized by dysplastic changes of the squamous epithelium
HSIL association
HPV
Differentiated VIN
Associated with LS/LP
Older women
Higher risk of malignant transformation (60% SCC)
Treatment
Excisional
Ablative (CO2 laser, cryotherapy)
Topical - Imiquimod cream 5% - response rate 58%
Recurrence risk
30%
More likely with multi focal lesions, large lesions, smokers, immunocompromised
Main risk factors for ca
Age>45 Raised solitary lesion Immunosuppression Presvious RT genital tract Previous VIN LS