Subcutaneous phaeohyphomycosis caused by Xylohypha emmonsii

@article{Padhye1988SubcutaneousPC,
  title={Subcutaneous phaeohyphomycosis caused by Xylohypha emmonsii},
  author={Arvind A. Padhye and W B Helwig and N G Warren and Libero Ajello and Francis W. Chandler and Michael R. Mcginnis},
  journal={Journal of Clinical Microbiology},
  year={1988},
  volume={26},
  pages={709 - 712}
}
The first human phaeohyphomycotic infection caused by Xylohypha emmonsii is described. The patient, an 83-year-old woman, developed a purpuric lesion on her left arm. The pale brown fungal elements observed in biopsy tissue consisted of thin- to thick-walled, oval to spherical, yeastlike cells with single and, occasionally, multiple buds; chains of budding cells; cells with internal septations in one and, rarely, two planes; and septate hyphae. In culture, X. emmonsii grew moderately fast at 25… 
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A 32-year-old African American woman with systemic lupus erythematosus presented with a 2-year history of multiple, recurrent, tender, and ulcerated skin nodules with purulent drainage on her upper back, and histologic sections of the excision demonstrated features of phaeohyphomycosis.
Cutaneous phaeohyphomycosis due to Cladophialophora bantiana.
Xylohypha emmonsii sp. nov., a new agent of phaeohyphomycosis
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Xylohypha emmonsii Padhye, McGinnis et Ajello is described as a new dematiaceous opportunistic pathogen of humans and lower animals and by the development of short chains of asymmetrically bent to ellipsoid blastoconidia.
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The present report constitutes the first record of cutaneous or subcutaneous infection due to Cl. cladosporioides from India.
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Potential pathogenicity of Cladosporium tennuisimum, Phaeoisaria clematidis and Ramichloridium subulatum in a mouse model
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Though the fungi showed limited pathogenic potential, they may represent a hazard under conditions of compromised host immunity.
Dematiaceous fungi are an increasing cause of human disease.
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    Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
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The dematiaceous fungi appear to be an increasing cause of human disease at The Methodist Hospital, in Houston, Texas, and diabetics and patients on steroids may be at particular risk.
The medically important dematiaceous fungi and their identification
Summary. Dematiaceous fungi include a large group of organisms that are darkly pigmented (dark brown, olivaceous, or black). In most cases the pigment is melanin, and specifically,…
Clues About Chromoblastomycotic and Other Dematiaceous Fungal Pathogens Based on Wangiella as a Model
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Preliminary results with Ca2+ and the chromoblastomycotic fungi further validate the concept that W. dermatitidis continues to be an important model for dematiaceous pathogens of humans.
Melanized Fungi in Human Disease
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Though they are uncommon causes of disease, melanized fungi have been increasingly recognized as important pathogens, with most reports occurring in the past 20 years, and the spectrum of diseases with which they are associated has also broadened.
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