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C-2469 - Description of the imaging characteristics of oligodendrogliomas using magnetic resonance techniques.

L. J. Carballo, C. H. Besada, M. Perez Akly, S. Gross; Buenos Aires/AR Type: Scientific Exhibit
Area of Interests: CNS, MR physics, Neuroradiology brain
Imaging Techniques: MR-Spectroscopy, MR-Diffusion/Perfusion, MR
Procedure: Biopsy
Special Focuses: Neoplasia, Tissue characterisation
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Aims and objectives: The goal of this electronic poster is to establish the different characteristics by conventional and advanced MRI techniques of oligodendrogliomas and oligoastrocytomas. At the same time, analyze whether they are of statistical value for predicting the histological grade of these neoplasms.

Methods and materials: A retrospective study was carried out from a database of patients of the Neurosurgery Department at the Hospital Italiano de Buenos Aires (HIBA), as well as with cases provided by the Ethics Committee of Research Protocols (CEPI).  We managed to obtain 108 cases of patients with the diagnosis, [...]

Results: As previously mentioned, the study relied on conventional and advanced MRI techniques. Among the variables conventionally studied by MRI are margins, signal intensity, tumor location, cortical compromise, tumor calcifications and behavior with intravenous contrast (see Table 1). For example, one can[...]

Conclusion: The current exhibit tried to show more than the usual descriptive characterization of the morphology and anatomy affected in patients with oligodendrogliomas and oligoastrocytomas. Although of great importance in the therapeutic management, nowadays it is known with certainty that the determina[...]

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References: Radiopaedia (2005-2016). URL: http://radiopaedia.org/articles/oligodendroglioma Fellah S, Caudal D, De Paula AM, et al. Multimodal MR imaging (diffusion, perfusion, and spectroscopy): is it possible to distinguish oligodendroglial tumor grade and 1p/19q codeletion in th[...]

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