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Journal of Clinical Microbiology, November 2000, p. 4288-4291, Vol. 38, No. 11
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

White Grain Mycetoma Caused by a Cylindrocarpon sp. in India

B. M. Hemashettar,1 B. Siddaramappa,2 A. A. Padhye,3,* L. Sigler,4 and F. W. Chandler5

Departments of Microbiology1 and Dermatology, Venereology, and Leprology,2 Jawaharlal Nehru Medical College, Belgaum, India; Mycotic Diseases Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 303333; The University of Alberta Microfungus Collection and Herbarium, Devonian Botanic Garden, University of Alberta, Edmonton, Alberta T6G 2E1, Canada4; and Department of Pathology, Medical College of Georgia, Augusta, Georgia 309125

Received 9 June 2000/Returned for modification 12 July 2000/Accepted 12 August 2000

We describe a case of white grain eumycetoma of the foot of an Indian male caused by a slow-growing, poorly sporulating fungus that does not match any known agent of this infection. Histologic examination of a biopsy tissue specimen showed oval, lobular, white granules composed of hyaline, septate hyphae, and thick-walled chlamydospores. Culture of granules from a draining sinus yielded compact, very-slow-growing, poorly sporulating colonies producing a strong reddish brown pigment that diffused into the medium. The fungus was identified as a Cylindrocarpon sp. based on the development of rare cylindrical conidia borne from solitary phialides lacking collarettes, in addition to chlamydospores formed singly or in short chains.

* Corresponding author. Mailing address: Mycotic Diseases Branch, Mail Stop G-11, Centers for Disease Control and Prevention, Atlanta, GA 30333. Phone: (404) 639-3749. Fax: (404) 639-3546. E-mail: aap1{at}cdc.gov.

Journal of Clinical Microbiology, November 2000, p. 4288-4291, Vol. 38, No. 11
0095-1137/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.




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