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- W4293182582 abstract "Single photon emission computed tomography (SPECT) and positron emission tomography (PET) imaging of brain tumours continue to evolve and expand as new radiopharmaceuticals become available. Currently, two core tracer compounds, thallium-201 and technetium-99m methoxyisobutylisonitrile, are widely available for single photon imaging with SPECT. Whilst PET technology is also widely available, at the present time, [18F]fluorodeoxyglucose (FDG) is the only PET tracer which is approved for oncological imaging in the United States by the Food and Drug Administration. New tracer compounds, such as [123I]iodo-α-methyltyrosine for SPECT and [11C]methyl-methionine (MET), [18F]fluoroethyl-l-tyrosine and [18F]fluorothymidine for PET, provide valuable information and in some cases have been shown to be superior to [18F]FDG. For SPECT or PET to be viable clinical or research tools for imaging of brain tumours, they must provide information that cannot be obtained by other imaging modalities, primarily magnetic resonance imaging. The pertinent information expected to be obtained from SPECT or PET imaging of brain tumours relates to whether (1) tracer uptake correlates with tumour histological grade and hence tracer uptake may be used as a diagnostic or prognostic indicator; and (2) tracer uptake can be used to indicate post-operative tumour recurrence or it can distinguish between tumour recurrence and radiation necrosis. In the present chapter, the current status of SPECT and PET imaging of brain tumours is summarised with an overview of new radiopharmaceuticals and future research directions." @default.
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- W4293182582 date "2022-01-01" @default.
- W4293182582 modified "2023-09-25" @default.
- W4293182582 title "Positron emission tomography and single photon emission computed tomography imaging" @default.
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- W4293182582 doi "https://doi.org/10.1016/b978-0-12-822835-7.00012-3" @default.
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