BACKGROUND Cervical adenosarcoma is a rare gynecological tumor which is prone to recur locally. A case of cervical adenosarcoma in a 14-year-old girl treated in order to preserve fertility. METHODS A 14-year-old girl presented with a pedunculated mass protruding from the vagina. Simple excision was performed. Histological evaluation revealed adenosarcoma. Her clinical course has been uneventful for fifteen months. CONCLUSIONS Adenosarcoma is a low malignant potential tumor of the female genital tract. A simple excision may be an option for young women who need to preserve their fertility. It is mandatory to monitor regularly the cervical base of the lesion for the purpose of the high potential of the local recurrence.