BMC Infect Dis. 2010 Dec 15;10(1):352 [Epub ahead of print]
Case Report: Erythema caused by a Localised Skin Infection with
Arthrobacter
mysorens.
Imirzalioglu C, Hain T, Hossain H, Chakraborty T, Domann E.
ABSTRACT: BACKGROUND: Skin erythemas of unknown origin are a frequent
reason
for consulting the general practitioner or dermatologist.
CASE PRESENTATION: Here we
report a case of an erythema resembling the erythema migrans manifestation
of Lyme disease, but with atypical symptoms like persistent pruritus.
The patient had no history of a recent tick-bite but displayed a positive
serology for an advanced stage of Lyme borreliosis, which stood in contrast
to the clinical manifestation of erythema migrans as a symptom of early
Lyme
disease.
Three skin swabs and soil samples, collected in the area where the patient
possibly acquired the infection, were examined by bacterial and fungal
culture methods.
Microorganisms were identified by using 16S rRNA gene sequencing and
bioinformatics. The patient and soil isolates were compared by employing
RAPD analysis. The serum samples of the patient were examined by
immunoblotting.
Arthrobacter mysorens, a soil bacterium, was isolated from the collected
skin and soil samples. The identity of both isolates was determined by
molecular fingerprinting methods. A.mysorens was proven to be causative for
the erythema by direct isolation from the affected skin and a positive
serology, thus explaining the atypical appearance of the erythema compared
to erythema migrans caused by Borrelia infection.
CONCLUSIONS: Infections with A.mysorens might be underreported and
microbiological diagnostic techniques should be applied in cases of
patients
with unclear erythemas, resembling erythema migrans, without a history of
tick bites.
http://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=211
59172&retmode=ref&cmd=prlinks
PMID: 21159172 [PubMed - as supplied by publisher]
[Non-text portions of this message have been removed]
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