A subcutaneous phaeohyphomycotic cyst caused by Pyrenochaeta romeroi in a 47-year-old Indian female is described. The organism was isolated repeatedly from the aspirated material from the cyst. It was identified by colony and microscopic characteristics, and sequencing of internal transcribed spacer regions of the rDNA. Although the patient recovered without antifungal therapy, the isolate appeared resistant to commonly used antifungal agents. To the best of our knowledge, this is only the second report of subcutaneous phaeohyphomycotic cyst caused by Pyrenochaeta romeroi.
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Khan et al. (2011) studied this question.
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