Medical Microbiology

Table 1 2. 9 Continued:HematopoieticandLymphoreticularSystem

Infection Mostimportant

pathogens

Laboratorydiagnosis

Oroyafeverand

verrugaperuana

Bartonellabacilliformis Bloodculture(seeabovefor

brucellosis)

Relapsingfever Borreliarecurrentis

Borreliaduttonii

Otherborreliae

Microscopy(Giemsastaining)of

bloodwhilefeverisrising

Bacillary

angiomatosis

(AIDS)

Bartonellahenselae Serology;microscopyand

culturefromlymphnodebiopsy

asrequired

Catscratchdisease Bartonellahenselae;

Bartonellaclaridgeia

Afipiafelis(rare)

Microscopyofpuncturepus:

Warthin-Starrysilverstain.Culture

onspecialmedium(difficult)

Malaria Plasmodiumspp. Microscopy(bloodsmear,thick

film);antigendetectionwith

ParaSighttest.Serology(notin

acutemalaria)

Babesiosis Babesiaspp. Microscopyofbloodswabs

Toxoplasmosis Toxoplasmagondii Serology

Visceral

leishmaniosis

Leishmaniadonovani

Leishmaniainfantum

Serology;microscopyandculture

oflymphnodeorbonemarrow

punctate,DNAdetection

Filariosis

(lymphatic)

Wuchereriabancrofti

Brugiamalayi

Microscopicaldetectionof

microfilariainnocturnalblood;

serology

Ehrlichiosis Ehrlichiaspp. Isolationincellculture.PCR.

Serology(immunofluorescence)

HematopoieticandLymphoreticularSystem 649

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Kayser, Medical Microbiology © 2005 Thieme