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Neuroradiol J. 2016 Dec;29(6):425-430. Epub 2016 Aug 24.

Serial magnetic resonance imaging findings of intracerebral spread of listeria utilising subcortical U-fibres and the extreme capsule.

Author information

1
Department of Medical Imaging, Princess Alexandra Hospital, Australia charlie.ct.hsu@gmail.com.
2
Department of Medical Imaging, Princess Alexandra Hospital, Australia.
3
Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
4
Department of Medical Imaging, Hutt Valley District Health Board, New Zealand.

Abstract

We present a case of Listeria monocytogenes cerebral abscess with axonal spread via the subcortical U-fibres and extreme capsule on magnetic resonance imaging, with follow-up studies demonstrating serial reduction in oedema and enhancement pattern of the white-matter fibre tracts following antimicrobial treatment. We discuss the microbiological mechanism of bacterial mobility to account for these unique imaging features. Recognition of this distinct pattern of spread of L. monocytogenes cerebral abscess may aid in diagnosis and enable early microbiological culture and treatment.

KEYWORDS:

Listeria monocytogenes; bacterial neural invasion; cerebral abscess; white-matter fibre tract

PMID:
27558992
PMCID:
PMC5131762
DOI:
10.1177/1971400916665384
[Indexed for MEDLINE]
Free PMC Article

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