<prompt> Carcinoma of vulva is:Columnar cell carcinomaTransitional cell carcinomaAdenocarcinomaSquamous cell carcinoma  <response>: Squamous cell carcinoma is the most frequent form of cancer of the vulva. Malignant melanoma should be reported separately. Histopathologic types are:Vulvar intraepithelial neoplasia, Grade III, squamous cell carcinoma in situSquamous cell carcinomaVerrucous carcinomaPagets disease of vulvaAdenocarcinoma, not otherwise specified NOSBasal cell carcinoma, NOSBartholin gland carcinoma 