Medical Microbiology

Table 1 2. 10 Continued:SkinandSubcutaneousConnectiveTissue

Infection Mostimportantpathogens Laboratorydiagnosis Madurafoot mycosis/mycetoma Bacteria

Fungi

Nocardiabrasiliensis Actinomaduramadurae Streptomycessomaliensis

Madurellaspp. Pseudoallescheriaspp. Aspergillusspp.,andothers

Microscopyandculturefrom lesionmaterial

Microscopyandculturefromle- sionmaterial

Dermatomycoses Dermatophytes Candidaspp.

Microscopyandculturefrom cutaneousscales

Sporotrichosis Sporothrixschenckii Microscopyandculturefromle- sionpus

Chromomycosis Blackmolds(varioustypes) Microscopyandculturefromle- sionpus

c)Protozoa,helminths,andarthropods Cutaneous leishmaniosis (orientalsore)

American cutaneousand mucocutaneous leishmaniosis

Leishmaniatropica Leishmaniamajor

Leishmaniabraziliensis Leishmaniamexicana

Microscopyandculturefromle- sionbiopsy;DNAdetection (PCR)

Microscopyandculturefrom skinandmucosallesionbiopsy; DNAdetection(PCR)

Cercarial dermatitis

Cutaneous larvamigrans (“creeping eruption”)

CercariaefromSchistosoma spp.

LarvaeofAncylostomaspp. andStrongyloidesspecies

Serology

Clinicaldiagnosis

Onchocercosis Onchocercavolvulus (microfilariae)

Microscopicaldetectionof microfilariaein“skinsnips”; serology

652 12 EtiologicalandLaboratoryDiagnosticSummariesinTabularForm

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