Dark ground microscopy is used for:
In TPI test , the serum of patient with complement and T.pallidum maintained in a complex medium anaerobically . If the antibodies are present , the treponemes are rendered non motile, when examined under dark ground illumination Kahn test and VDRL test are non specific antigen antibody test ,cardiolipin antigen is used. FTA-ABS is specific antigen antibody test
TPI
Kahn's test
FTA-ABS
VDRL
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)