Document Detail

Tinea capitis in south Wales--observations in change of causative fungi.
MedLine Citation:
PMID:  7889666     Owner:  NLM     Status:  MEDLINE    
We report an observed change in the causative organisms in 45 consecutive cases of tinea capitis seen in the Cardiff area over the last 9 years. Direct microscopy using potassium hydroxide was positive in all but one case, but this was subsequently positive on culture. This retrospective analysis shows that more cases are being seen in our department, and that a higher proportion of cases are due to Trichophyton violaceum whereas previously we would have expected the majority of cases to be due to Microsporum canis. We believe that the change in causative organism that we have identified has important practical and diagnostic implications. Endothrix fungi such as T. violaceum do not fluoresce under Wood's lamp unlike ectothrix fungi such as M. canis, and therefore failure to perform adequate mycological examination of specimens could result in missed diagnoses. We are not aware of this change having been reported from other UK centres. The finding indicates a need for further prospective epidemiological studies to confirm this apparent trend.
C M Mills; C M Philpot
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Clinical and experimental dermatology     Volume:  19     ISSN:  0307-6938     ISO Abbreviation:  Clin. Exp. Dermatol.     Publication Date:  1994 Nov 
Date Detail:
Created Date:  1995-04-20     Completed Date:  1995-04-20     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7606847     Medline TA:  Clin Exp Dermatol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  473-5     Citation Subset:  IM    
Department of Dermatology, University Hospital of Wales, Cardiff, UK.
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MeSH Terms
Child, Preschool
Retrospective Studies
Tinea Capitis / microbiology*,  pathology
Trichophyton / isolation & purification*

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