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September 1980

Cystic Chromomycosis Caused by Wangiella dermatitidis-Reply

Author Affiliations

Columbia, SC

Charlottesville, Va

Arch Dermatol. 1980;116(9):988. doi:10.1001/archderm.1980.01640330025008

In Reply.—  We inadvertently neglected to give credit to the Bureau of Microbiological Science, Division of Consolidated Laboratory Services, Commonwealth of Virginia, Richmond, as our reference laboratory for unusual isolates. They confirmed our identification of our patient's isolate as Wangiella (Fonsecaea) dermatitidis.While Padhye et al1 did not demonstrate the Phialophora, Cladosporium, or Acrotheca types of sporulation in the 13 isolates they studied, other authors have described sparse sporulation similar to that found in our case.2-4 All of these authors agree that thermotolerance is a key identifying characteristic and hydrolysis of tyrosine is a constant feature; both were demonstrated in our isolate.The morphology of our patient's organism in tissue included short chains of fungal cells as described by Padhye et al. The work by McGinnis5 and Padhye et al was considered, as well as other reference materials, in our study of this case. As Dr Hohl

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