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Neuroparacoccidioidomycosis (NPCM): Magnetic Resonance Imaging (MRI) Findings

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Abstract

Objective

To describe the magnetic resonance imaging (MRI) patterns of the central nervous system (CNS) involvement by neuroparacoccidioidomycosis (NPCM).

Methods

Between January 1999 and March 2011, a review of MRI data analysis from 8 cases of NPCM was performed. The following MRI characteristics were examined by an experienced neuroradiologist: topography of lesions, aspects on T1- and T2-weighted images (WI), contrast enhancement, diffusion and spectroscopy.

Results

All patients had evidence of paracoccidioidomycosis infection outside the nervous system. Regarding CNS involvement, five patients had only supratentorial lesions; three had infra- and supratentorial ones. Meningeal extension occurred in three patients. The lesions were predominantly hyperintense on T1WI. At T2WI, a hypointense component was present in five cases as well as a perilesional abnormal white matter. A ring-enhancement pattern was seen in five cases. Spectroscopy was performed in three patients and showed an increased lipid peak in all of them. In one case, there was also an increased choline peak.

Conclusion

NPCM is rare, and MRI may help its differentiation from other inflammatory lesions. However, the presence of active infection outside CNS and some imaging characteristics should point to this diagnosis.

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Authors and Affiliations

  1. Departamento de Radiologia, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Rua Tessália Vieira de Camargo, 126 CP: 6111, 13083-887, Cidade Universitária Zeferino Vaz Campinas, SP, Brazil

    Fabiano Reis

  2. School of Medical Sciences, State University of Campinas, Campinas, SP, Brazil

    Priscila Pimentel Collier, Thiago Ferreira Souza, Guilherme Pinheiro Lopes, Eduardo Bronzatto & Nivaldo Adolfo Silva Junior

  3. Department of Pediatrics, School of Medical Sciences, State University of Campinas, Campinas, SP, Brazil

    Ricardo Mendes Pereira

  4. Department of Medicine, School of Medical Sciences, State University of Campinas, Campinas, SP, Brazil

    Simone Appenzeller

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  1. Fabiano Reis
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  2. Priscila Pimentel Collier
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  3. Thiago Ferreira Souza
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  4. Guilherme Pinheiro Lopes
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  5. Eduardo Bronzatto
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  6. Nivaldo Adolfo Silva Junior
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  7. Ricardo Mendes Pereira
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Corresponding author

Correspondence to Fabiano Reis.

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Reis, F., Collier, P.P., Souza, T.F. et al. Neuroparacoccidioidomycosis (NPCM): Magnetic Resonance Imaging (MRI) Findings. Mycopathologia 175, 181–186 (2013). https://doi.org/10.1007/s11046-012-9607-y

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  • DOI: https://doi.org/10.1007/s11046-012-9607-y

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