Tags: Disease.
Vaginal intraepithelial neoplasia (VAIN) is a condition that describes premalignant histological findings in the vagina characterized by dysplastic changes.The disorder is rare and generally has no symptoms. VAIN can be detected by the presence of abnormal cells in a Papanicolaou test (Pap smear).Like cervical intraepithelial neoplasia VAIN comes in three stages VAIN 1 2 and 3.