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Vulval (or vulvar) intraepithelial neoplasia is a pre-cancerous skin lesion (a type of squamous cell carcinoma in situ) that can affect any part of the vulva. The term vulval intraepithelial neoplasia describes two conditions with different biological behaviour: usual type and differentiated type.
6 gru 2023 · Vulvar intraepithelial neoplasia (VIN) involves having precancerous skin cells on your vulva. But this part’s important — VIN isn’t cancer. This diagnosis means that some of your skin cells are atypical and could eventually become vulvar cancer without treatment.
Note: Vulval intraepithelial neoplasia (VIN) is also called vulval squamous intraepithelial lesion (SIL) Vulval cancer.
29 mar 2023 · Vulval intraepithelial neoplasia or VIN is when abnormal cells develop in the top layer of skin covering the vulva. It is not vulval cancer but could turn into cancer. This may take many years.
24 lip 2023 · Vulvar intraepithelial neoplasia (VIN) is the growth of abnormal cells on the vulva. VIN 2 has a depth of less than two-thirds of the top layer of vulvar skin. Learn more.
When you have abnormal skin changes in the vulva but it’s not cancer, it’s called vulvar dysplasia also called vulvar intraepithelial neoplasia (VIN). VIN is divided into categories, low-grade VIN or high-grade VIN. High-grade VIN is associated with a greater risk of progressing to cancer.
The exact cause of VIN is unknown. Studies are being done to determine the cause of VIN. The following factors have been associated with VIN: HPV (Human Papilloma Virus) HSV-2 (Herpes simplex Virus - Type 2) Smoking; Immunosuppression; Chronic vulvar irritation; Conditions such as Lichen Sclerosus
