Last updated: Thursday, 17, February, 2011
American ie Chagas' disease
Acute infection including
African ie Sleeping sickness
|Trypanosomes – blood. The concentration of parasites in the blood fluctuates so examination may have to be performed repeatedly. Cerebrospinal fluid examination is mandatory in all suspected or confirmed cases for accurate staging.|
Microscopy of fluid from chancre.
Stage 1 disease
Trypanosomes in blood or fluid aspirated from lymph node.
Stage 2 disease
Cerebrospinal fluid examination (increased cells, protein and IgM levels).