Development and Anatomy: Disorders of Development -- Vulvovaginal Infections -- Noninfectious Dermatoses of the Vulva -- Cysts, Non neoplastic Glandular Lesions, and Glandular Neoplasms of the Vulva and Vagina -- Melanoctyic Lesions of the Vulva and Vagina -- Precursors of Vulvovaginal Squamous Cell Carcinoma -- Squamous Cell Carcinoma and Basal Cell Carcinoma of the Vulva and Squamous Cell Carcinoma of the Vagina -- Vulvovaginal Mesenchymal Lesions -- Skin Adnexal Tumors.