Syphilis Serology

Question 1

what results would an uninfected person have for the following test
- screening (IgG&IgM), IgM, TPPA, VDRL

Answer 1

screening (IgG&IgM) = -ve

IgM = -ve

TPPA = -ve

VDRL = -ve

Question 2

what results would 1ry and 2ry syphilis have for the following test
- screening (IgG&IgM), IgM, TPPA, VDRL

Answer 2

screening (IgG&IgM) = +ve

IgM = +ve

TPPA = +ve

VDRL = +ve

Question 3

what results would latent syphilis have for the following test- screening (IgG&IgM), IgM, TPPA, VDRL

Answer 3

screening (IgG&IgM) = +ve

IgM = -ve

TPPA = +ve

VDRL = +ve/-ve

Question 4

what results would late, untreated syphilis have for the following test- screening (IgG&IgM), IgM, TPPA, VDRL

Answer 4

screening (IgG&IgM) = +ve

IgM = -ve

TPPA = +ve

VDRL = +ve/-ve

Question 5

what results would old, treated syphilis have for the following test- screening (IgG&IgM), IgM, TPPA, VDRL

Answer 5

screening (IgG&IgM) = +ve

IgM = -ve

TPPA = +ve

VDRL = -ve

Question 6

what results would congenital (baby) syphilis have for the following test- screening (IgG&IgM), IgM, TPPA, VDRL

Answer 6

screening (IgG&IgM) = +ve

IgM = +ve

TPPA = +ve

VDRL = +ve

Question 7

what should positive IgM indicate

Answer 7

active syphilis infection