Medical Microbiology

Table 1 2. 10 Continued:SkinandSubcutaneousConnectiveTissue

Infection Mostimportantpathogens Laboratorydiagnosis

b)Bacteriaandfungi

Furuncles

Carbuncles

Pemphigus

Folliculitis

Impetigo

Erysipelas

Staphylococcusaureus

Streptococcuspyogenes

Microscopyandculturefrom

swab

Gangrenous

cellulitis

Oftenmixedflora:

Clostridiumspp.

Gram-negativeanaerobes

Pseudomonasspp.

Enterobacteriaceae

Microscopyfromswabor

pus,usetransportmediumfor

anaerobes

Erysipeloid Erysipelothrixrhusiopathiae Microscopyandculturefrom

skinlesionswab

Erythema

migrans

Borreliaburgdorferi Serology

Cutaneous

anthrax

Bacillusanthracis Microscopyandculturefrom

skinlesionswab

Leprosy Mycobacteriumleprae Microscopy(Ziehl-Neelsenstain)

ofmaterialfromskinlesions

(biopsy)orscrapingsfromnasal

mucosa

Rickettsioses

(spottedfever

andothers)

Rickettsiaspp. Serology,culturing(embryo-

natedhen’segg)oranimaltest

ifnecessary

Nonvenereal

treponema

infections

(endemicsyphilis,

pinta,yaws)

Treponemapallidum

(subsp.endemicum)

Treponemapallidum

(subsp.pertenue)

Treponemacarateum

Trymicroscopyofmaterial

fromskinlesions;serology

(syphilistests)

SkinandSubcutaneousConnectiveTissue 651

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Kayser, Medical Microbiology © 2005 Thieme