Acute syphilitic chorioretinitis after a missed primary diagnosis: a case report

Table 1 Serological assay results at primary diagnosis and follow-up

Assay	Time of serological diagnosis
	Primary diagnosis	1 month	3.5 months	9.5 months	1 year 4 months	1 year 8 months
TPPA	1:10240	1:2560	1:1280	1:320	1:320	1:160
FTA-Abs	pos.	n.d.	n.d.	n.d.	n.d.	n.d.
IgM FTA-Abs	1:80	1:10	neg.	neg.	n.d.	n.d.
Cardiolipin CFR	1:320	1:160	1:80	1:20	1:5	1:5

CFR, Complement-fixation reaction; FTA-Abs, fluorescent treponemal antibody absorptions test; TPPA, Treponema pallidum particle agglutination assay; n.d., not determined; neg., negative; pos., positive.

ISSN: 1752-1947