Congenital syphilis classification

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Kalsang Dolma, M.B.B.S.[2]

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Overview

Congenital syphilis can be classified into early (presenting 0-2 years) and late (greater 2 years) based upon on time of presentation. There is also a diagnostic classification of syphilis used for surveillance purpose.

Classification

Early

This is a subset of cases of congenital syphilis. Newborns may be asymptomatic and are only identified on routine prenatal screening. If not identified and treated, these newborns develop poor feeding and rhinorrhea. By definition, early congenital syphilis occurs in children between 0 and 2 years old. After, they can develop late congenital syphilis.

Late

Late congenital syphilis is a subset of cases of congenital syphilis. By definition, it occurs in children at or greater than 2 years of age who acquired the infection trans-placentally.