Imagem em oncologia no CBR

Chojniak, Rubens

doi:10.1590/s0100-39842011000300001

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“…In the field of oncology, imaging has been playing a fundamental role, providing valuable data for a better management of cancer patients. Imaging methods may be utilized in different phases, from screening up to post-therapeutic follow-up ( 2 , 3 ) . Radiography, ultrasonography and computed tomography are most frequently utilized and, many times, are the only available methods for the evaluation of cancer patients.…”

Section: Introductionmentioning

confidence: 99%

Functional magnetic resonance imaging in oncology: state of the art

et al. 2014

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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.

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Section: Introductionmentioning

confidence: 99%