INTRODUCTION: ANACHRONISMS IN COMMON METHOD OF DIVIDING SYPHILIS INTO ARBITRARY GROUPS OF PRIMARY, SECONDARY AND TERTIARY.
The differential diagnosis of skin affections has always seemed a veritable pons asinorum to the practitioner, to whom all lesions look much alike and to whom the gross picture always seems present.In the types of syphilis, however, exact lines of distinction characterize every set of lesions, and the experienced recognize these at once, often without even discussing the reasons why, the picture fixing the diagnosis on its own lines.In current texts, now and latterly, so much of the traditional anachronisms have prevailed that it has seemed to the writer that some one, somewhere and somehow, should call a halt and at least utter a word against the further teaching of a dogma, which most of us feel is wrong and which as many of us would like to get away from.With
DYER I. THE DIAGNOSIS OF CUTANEOUS SYPHILIS.. JAMA. 1903;XL(23):1551-1555. doi:10.1001/jama.1903.92490230001002