alexa Brain Abscess Sustained by Actinomyces meyeri in an Immunocompetent Patient | OMICS International | Abstract
ISSN: 2155-9562

Journal of Neurology & Neurophysiology
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Case Report

Brain Abscess Sustained by Actinomyces meyeri in an Immunocompetent Patient

Gabriele Fabbri1, Viola Guardigni1, Silvio Sarubbo2, Rosario Cultera1 and Carlo Contini1*

1Department of Medical Sciences, Section of Infectious Diseases, University S. Anna Hospital, Italy

2Department of Neuroscience and Rehabilitation, Neurosurgery Unit, Azienda Ospedaliera-Universitaria, Arcispedale S. Anna, Italy

Corresponding Author:
Carlo Contini
Department of Medical Sciences, Via Fossato di Mortara
64b, University of Ferrara, I- Ferrara, Italy
Tel: +39 0532 239114/+39 0532 455490
Fax: +39 0532 455495
E-mail: [email protected]

Received date: December 18, 2013; Accepted date: December 27, 2013; Published date: January 05, 2014

Citation: Fabbri G, Guardigni V, Sarubbo S, Cultrera R, Contini C (2014) Brain Abscess Sustained by Actinomyces meyeri in an Immunocompetent Patient. J Neurol Neurophysiol 5:184. doi:10.4172/2155-9562.1000184

Copyright: © 2014 Fabbri G, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Actinomycosis is a rare granulomatous disease, caused by filamentous Gram positive anaerobic bacteria,
which may become pathogenic following disruption of anatomical barriers with invasion of host’s deep tissues and
dissemination of infection to any site of the organism. A. israelii is found in most clinical presentations.
We describe a case of a 41 years-old immunocompetent woman affected by thalamic abscess due to Actinomyces
meyeri, presenting with fever, headache, vomit, confusion. A brain Computed Tomography (CT) and a Magnetic
Resonance Imaging (MRI) revealed an expansive thalamic lesion with wide central necrosis and perilesionaledema.
The patient was immediately addressed to a first evacuation of the mass, followed by a second drainage because of
recurrence of the abscess. Microbiological and histological findings from intraoperatory specimens, resulted positive
for A. meyeri. Ampicillin 20 g plus rifampicin 1200 mg/day was started, followed by ceftriaxon 4 g/day for 2 weeks and
by amoxicillin 3 g/day. The treatment was discontinued after 9 months; brain MRIs performed at the end of therapy
and after 3 and 6 months from the interruption of therapy revealed a gradual but complete resolution of cerebral
abscess.
Actinomycosis is an infrequent but severe disease that can mimic tuberculosis, nocardiosis and malignancies.
Cases of cerebral actinomycosis reported in literature are limited, but those from A. meyeri are extremely rare.
Moreover this pathogen is often related to disseminated disease, especially in immunocompromised patients. There
is no consensus about treatment of cerebral actinomycosis: different types of regimens are proposed; we firstly
administered ampicillin (12-16 g/day for at least six months), plus rifampicin, to enhance their penetration in CNS.
Actinomycosis requires a prompt diagnosis and antibiotic treatment (often in combination with surgery) in order to
avoid dissemination and prevent complications.

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