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Journal of Clinical Microbiology, January 2003, p. 467-468, Vol. 41, No. 1
0095-1137/03/$08.00+0 DOI: 10.1128/JCM.41.1.467-468.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.
Mycology Laboratory, Wadsworth Center, New York State Department of Health,1 Department of Biomedical Science, School of Public Health, State University of New York at Albany, Albany, New York2
Received 28 August 2002/ Returned for modification 16 October 2002/ Accepted 24 October 2002
Only 25 of 77 dermatophytic isolates caused dermatophyte identification medium (DIM) to turn purple after incubation at the recommended temperature (37°C); the accuracy of the results was improved at 30°C (71 of 77 isolates yielded positive results). Many dimorphic pathogenic fungi also tested positive at both incubation temperatures. Thus, DIM has limited usefulness for presumptive identification of dermatophytes.
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