<prompt> Which of the following is best used in the diagnosis of congenital syphilis: March 2011Dark ground microscopyVDRLIgM FTA-ABsTPI  <response>: Ans. C: IgM FTA-ABs A positive VDRL test has to be confirmed by fluorescent treponemal antibody absorption test FTA-ABS and treponema pallidum micro hemagglutination MHA-TP test which are specific Late Congenital syphilis: Hutchinsons triad: - Hutchinson teeth - 8th cranial nerve deafness - Interstitial keratitis Periosteitis Higaumenakis sign IgM FTA-Abs is best to diagnose syphilis 