SYPHILISISAchronicsexuallytransmitteddiseasecausedbyTreponumPallidumspreadingtothewholebody.LateSyphiliscanencroachonmostoftheorgans,butearlysyphilishaslessdamagetotheinternalorgans.Hereisacaseofsecondarysyphiliswithliverandkidneyinvolvementreportedasfollows: