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Doubly Misdiagnosed: Exophiala Masquerading as Squamous Cell Carcinoma and Chromoblastomycosis.
- Source :
-
The American Journal of dermatopathology [Am J Dermatopathol] 2022 Jan 01; Vol. 44 (1), pp. e8-e10. - Publication Year :
- 2022
-
Abstract
- Abstract: Deep cutaneous fungal infections (DCFI) can arise in the setting of skin trauma and immunosuppression. DCFI may be secondary to chromoblastomycosis, which is typically characterized by pseudoepitheliomatous hyperplasia histologically and can be mistaken for squamous cell carcinoma. In addition, "copper penny" spore-like pigmented yeast forms on Grocott's methenamine silver stain can suggest chromoblastomycosis, but this finding is not specific. By contrast, phaeohyphomycosis characteristically exhibits circumscribed pseudocyst or abscess on histopathology, and both yeast and hyphae can be seen. Our case reports a DCFI with pseudoepitheliomatous hyperplasia and "copper penny" yeast forms, ultimately diagnosed as phaeohyphomycosis after isolating Exophiala spinifera on fungal culture.<br />Competing Interests: The authors declare no conflicts of interest.<br /> (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)
Details
- Language :
- English
- ISSN :
- 1533-0311
- Volume :
- 44
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- The American Journal of dermatopathology
- Publication Type :
- Academic Journal
- Accession number :
- 34086642
- Full Text :
- https://doi.org/10.1097/DAD.0000000000001994