The skin and accessory cutaneous structures of the vulva occupy an important relationship to the vulval integument of the human female. The generally benign character of simple tumors developing in these structures has created little respect for their occasional malignant propensities. The design of metaplasia and malignant change in these innocent tumors is rarely emphasized. All too often they are described merely as small vulvar lesions when as a matter of fact they are often the key to a better understanding of the development and behavior of malignant growths in this area. My associates and I believe that a better general understanding of benign tumors of the vulva is an important aspect of preventive gynecology and is essential for the proper insight and control of vulvar cancer. BENIGN TUMORS OF THE VULVA Of Connective Tissue Origin.— In the group of benign tumors of connective tissue origin are the fibromas, leiomyofibromas,