The cause is unknown but, chronic vulvar irritation is the most important underlying factor. The patients over 60 years are affected more frequently than younger ones.
Long history of vulvar irritation with pruritus, local discomfort, and bloody discharge. Appearance of early lesions like that of chronic vulvar dermatitis.
Syphilis, chronic irritation, chronic infection, trauma, arsenicals, and radiotherapy have been implicated as possible precipitating factors. 5, 6 Clinically, vulvar BCC is