Document Detail

A simple method for detecting subcutaneous phaeohyphomycosis with light-colored fungi. A study of eight cases.
MedLine Citation:
PMID:  7802130     Owner:  NLM     Status:  MEDLINE    
Eight cases of subcutaneous phaeohyphomycosis are presented. A lack or scarcity of fungal pigmentation was seen in six of these cases. The simple act of lowering the microscope condenser makes these uncolored fungi easily visible. The thick hyaline capsule becomes refringent, presenting single oval or round cells and septated hyphae, which can be short or elongated, branched or unbranched, and irregularly swollen. The dematiacious character of the fungi is confirmed by using the Fontana-Masson stain. The fungi are not visible under polarized light. Our studies point to the probability of subcutaneous phaeohyphomycosis being a widespread tropical disease in Brazil. However, it is rarely diagnosed because of the common practice of fixing tissue specimens without prior culturing and the difficulties of detecting the fungal forms using customary microscopic procedures, especially when the fungi have a lack of pigment and are hard to detect by hematoxylin and eosin stain.
A M Ramos; A de O Sales; M C de Andrade; J F Bittencourt; C C Ramos
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of surgical pathology     Volume:  19     ISSN:  0147-5185     ISO Abbreviation:  Am. J. Surg. Pathol.     Publication Date:  1995 Jan 
Date Detail:
Created Date:  1995-01-24     Completed Date:  1995-01-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7707904     Medline TA:  Am J Surg Pathol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  109-14     Citation Subset:  IM    
Department of Pathology, Universidade Federal do Rio Grande do Norte, Natal, Brazil.
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MeSH Terms
Dermatomycoses / microbiology*,  pathology*
Middle Aged
Mitosporic Fungi / isolation & purification,  physiology*

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