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Mycopathologia. 2005 Oct;160(3):253-7.

Secondary intracerebral blastomycosis with giant yeast forms.

Author information

1
Department of Pathology, Clinical Microbiology Laboratory, University of Illinois, Chicago, Illinois 60612, USA.

Abstract

Secondary central nervous system (CNS) blastomycosis is an unusual manifestation of blastomycosis. We report a case of recurrent intracerebral blastomycosis that presented histopathologically with giant yeast-like cells and multinucleation that mimicked Coccidioides immitis. The yeast forms of Blastomyces dermatitidis usually range in size from 8 to 20 microm in diameter. Large or giant yeast forms (20-40 microm) are rare. The four cases previously reported in the literature involving giant yeast cell forms of B. dermatitidis are reviewed here. Intracerebral blastomycosis should be suspected in patients with signs and symptoms of CNS lesions and histories of primary blastomycosis, or treatment with corticosteroids, or comprised immune systems. The diagnosis should be confirmed by culture which presents typical biphasic microbiologic features.

PMID:
16205975
DOI:
10.1007/s11046-005-0147-6
[Indexed for MEDLINE]

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