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Treponema pallidum haemagglutination test for syphilis. Comparison with TPI and FTA-ABS tests.

1972; BMJ; Volume: 48; Issue: 6 Linguagem: Inglês

10.1136/sti.48.6.470

1472-3263

M. F. Garner, J L Backhouse, George Daskalopoulos, J L Walsh,

Syphilis Diagnosis and Treatment

The Treponema pallidum haemagglutination (TPHA) test, the latest to be developed in the group of specific tests for syphilis, has been described by Tomizawa and Kasamatsu (1966), Rathlev (1967), Tomizawa, Kasamatsu, and Yamaya (1969), and Tringali (1970.)An automated microhaemagglutination technique, the AMHA-Tp test, has been evaluated by Cox, Logan, and Norins (1969) and Logan and Cox (1970).1967).The TPHA test is easier both to perform and to read than either the TPI or the FTA-ABS.These reasons alone make it attractive as a substitute for the more complicated and initially expensive FTA-ABS test in laboratories where it is desired to carry out a simple specific test for syphilis.This study was undertaken to compare the results ofthe TPHA test with those of the TPI and FTA-ABS tests on 'problem' sera referred to the laboratory for TPI and FTA-ABS testing.Problem sera are those