From January @ to April @ , @ patients with vulvar non-neoplastic epithelial disorders were divided into three groups according to therapy regimens received , ie , chlortetracycline treatment group ( @ cases ) , chlortetracycline + beclomethasone treatment group ( @ cases ) , and beclomethasone treatment group ( @ cases ) ; their local changes of vulvar lesions were observed and efficacy of these treatment profiles was evaluated after one year .