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Microsporum Nanum: A Cause of Tinea Capitis: A Case Report

Microsporum Nanum: A Cause of Tinea Capitis: A Case Report Abstract Microsporum nanum was first described in 1954 by Fuentes, Aboulafia, and Vidal,1 who isolated a "dwarf form" of Microsporum gypseum from a case of tinea capitis (kerion) in an 8-year-old white boy. They classified this organism as M. gypseum var. nanum. Seven months later these same investigators1 isolated a similar strain from a glabrous skin infection in an adult. In 1956 Fuentes2 reported that the 2 isolates previously described had proved to be stable in their gross and microscopic characteristics over a period of 3 years. He then proposed that this organism be considered a new species: Microsporum nanum. Ajello3 now classifies M. nanum as a separate species of Microsporum. The initial case reported by Fuentes et al.1 presented the following findings: 1. The lesion was a kerion. 2. The fungus invaded hair as an endothrix. 3. Infected hairs exposed to Wood's light fluoresced with References 1. Neosporin (composed of polymyxin B sulfate, bacitracin, and neomycin sulfate); Quinolor (contains benzoyl peroxide 10% and Squibb chlorhydroxyquinoline 0.5% in Squibb oleginous ointment base). 2. Fuentes, C. A.; Aboulafia, R., and Vidal, R. J.: A Dwarf Form of Microsporum Gypseum , J. Invest. Derm. 23:51-57, 1954.Crossref 3. Fuentes, C. A.: A New Species of Microsporum , Mycologia 48:613-614, 1956.Crossref 4. Ajello, L.: A New Microsporum and Its Occurrence in Soil and on Animals , Mycologia 51:69-76, 1959.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Dermatology American Medical Association

Microsporum Nanum: A Cause of Tinea Capitis: A Case Report

Archives of Dermatology , Volume 84 (3) – Sep 1, 1961

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Publisher
American Medical Association
Copyright
Copyright © 1961 American Medical Association. All Rights Reserved.
ISSN
0003-987X
eISSN
1538-3652
DOI
10.1001/archderm.1961.01580150150027
Publisher site
See Article on Publisher Site

Abstract

Abstract Microsporum nanum was first described in 1954 by Fuentes, Aboulafia, and Vidal,1 who isolated a "dwarf form" of Microsporum gypseum from a case of tinea capitis (kerion) in an 8-year-old white boy. They classified this organism as M. gypseum var. nanum. Seven months later these same investigators1 isolated a similar strain from a glabrous skin infection in an adult. In 1956 Fuentes2 reported that the 2 isolates previously described had proved to be stable in their gross and microscopic characteristics over a period of 3 years. He then proposed that this organism be considered a new species: Microsporum nanum. Ajello3 now classifies M. nanum as a separate species of Microsporum. The initial case reported by Fuentes et al.1 presented the following findings: 1. The lesion was a kerion. 2. The fungus invaded hair as an endothrix. 3. Infected hairs exposed to Wood's light fluoresced with References 1. Neosporin (composed of polymyxin B sulfate, bacitracin, and neomycin sulfate); Quinolor (contains benzoyl peroxide 10% and Squibb chlorhydroxyquinoline 0.5% in Squibb oleginous ointment base). 2. Fuentes, C. A.; Aboulafia, R., and Vidal, R. J.: A Dwarf Form of Microsporum Gypseum , J. Invest. Derm. 23:51-57, 1954.Crossref 3. Fuentes, C. A.: A New Species of Microsporum , Mycologia 48:613-614, 1956.Crossref 4. Ajello, L.: A New Microsporum and Its Occurrence in Soil and on Animals , Mycologia 51:69-76, 1959.Crossref

Journal

Archives of DermatologyAmerican Medical Association

Published: Sep 1, 1961

References