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False-positive Histoplasma capsulatum Gen-Probe chemiluminescent test result caused by a Chrysosporium species
Mary E Brandt1, Dennis Gaunt, Naureen Iqbal
1Mycotic Diseases Branch, Centers for Disease Control and Prevention, 1600 Clifton Road, Mail Stop G-11, Atlanta, GA 30333, USA. mbb4@cdc.gov
Journal of Clinical Microbiology
|March 8, 2005
Abstract:
We describe a case in which the Histoplasma capsulatum AccuProbe test displayed cross-reactivity with a respiratory isolate thought to be Histoplasma but not morphologically consistent with H. capsulatum. The isolate was later identified as the Chrysosporium anamorph of Nannizziopsis vriesii by sequence analysis and phenotypic data.