Ressonância magnética funcional na oncologia: Estado da arte

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Abstract

In the investigation of tumors with conventional magnetic resonance imaging, both quantitative characteristics, such as size, edema, necrosis, and presence of metastases, and qualitative characteristics, such as contrast enhancement degree, are taken into consideration. However, changes in cell metabolism and tissue physiology which precede morphological changes cannot be detected by the conventional technique. The development of new magnetic resonance imaging techniques has enabled the functional assessment of the structures in order to obtain information on the different physiological processes of the tumor microenvironment, such as oxygenation levels, cellularity and vascularity. The detailed morphological study in association with the new functional imaging techniques allows for an appropriate approach to cancer patients, including the phases of diagnosis, staging, response evaluation and follow-up, with a positive impact on their quality of life and survival rate. © Colégio Brasileiro de Radiologia e Diagnóstico por Imagem.

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Guimaraes, M. D., Schuch, A., Hochhegger, B., Gross, J. L., Chojniak, R., & Marchiori, E. (2014). Ressonância magnética funcional na oncologia: Estado da arte. Radiologia Brasileira. Colegio Brasileiro de Radiologia. https://doi.org/10.1590/S0100-39842014000200013

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