Medical Microbiology

Table 1 2. 5 Continued:GastrointestinalTract

Infection Mostimportant

pathogens

Laboratorydiagnosis

Salmonellosis

Entericform Salmonellaenterica

(entericserovars)

Culturefromstool

Typhoidform Salmonellaenterica

(typhoidserovars)

(orpossiblyenteric

salmonellaein

predisposedpersons)

Culturefrombloodand

stool;serology

(Gruber-Widalresultsof

limitedsignificance)

Cholera Vibriocholerae Culturefromstool,possibly

alsofromvomit

Whipple’sdisease Tropherymawhipplei MicroscopyandDNA

detectionfromsmall

intestinebiopsy.

Culturenotpossible

Protozoa

Amebosis Entamoebahistolytica Microscopyofstool,

detectionofcoproantigen

(orDNA);serology

Giardiosis Giardiaintestinalis Microscopyofstoolor

duodenalfluid,

coproantigendetection

Cryptosporidiosis Cryptosporidiumspecies Microscopyofstool,

coproantigendetection,

DNAdetection

Microsporosis Enterocytozoonbieneusi Microscopyofstool,DNA

detection

Cyclosporosis Cyclosporacayetanensis Microscopyofstool

Sarcocystiosis Sarcocystisspp. Microscopyofstool

Isosporiosis Isosporabelli Microscopyofstool

Blastocystosis Blastocystishominis Microscopyofstool

GastrointestinalTract 639

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Kayser, Medical Microbiology © 2005 Thieme