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. 2004 Mar;42(3):1247-9.
doi: 10.1128/JCM.42.3.1247-1249.2003.

Parasitic mycelial forms of coccidioides species in Mexican patients

B Muñoz  1 , L R Castañón, I Calderón, M E Vázquez, M E Manjarrez
Affiliations

Parasitic mycelial forms of coccidioides species in Mexican patients

B Muñoz et al. J Clin Microbiol. 2004 Mar.

Abstract

Of 26 cases of coccidioidomycosis reported here, 15 showed hyphae, atypical parasitic structures of Coccidioides spp. in fresh cytologic and/or histologic specimen preparations. The finding of this morphology could have implications which should be considered, especially when the disease affects areas of nonendemicity.

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Figures

FIG. 1.
FIG. 1.
Atypical Coccidioides spp. parasitic forms. (a) Branched and septate hyphae with little oval-cell chains (bronchial lavage); (b) wide and barrel-shaped arthroconidia (bronchial lavage); (c) small chains of oval to round cells and oval-shaped immature spherules (lung tissue); (d) immature round spherules germinating, seemingly in gemmation, and endospores clustered in morular forms (lung tissue). a, Grocott stain; b, c, and d, periodic acid-Schiff stain. Original magnifications, ×40 (a, c, and d) and ×100 (b).
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