ABSTRACT Ten years ago, a symposium on diseases of the cervix would hardly have included a discussion of syphilis, for at that time syphilitic lesions of the cervix were considered so rare as to be without any practical importance. Since then, our views on the subject have undergone a decided change. We now realize that the cervix may be the seat of syphilitic manifestations in every stage of the disease.1PRIMARY LESION The hard chancre of the cervix is usually located on the anterior lip. If engrafted on a preexisting erosion, it may more or less completely surround the external os; but even then the anterior lip is definitely more involved than the rest.While the primary lesion on the outer genitals presents and retains its characteristic and pathognomonic aspect, the chancre of the cervix undergoes a rapid and variegated evolution from an uneroded induration to an ulcer, which in