Abstract
In addition to MR imaging, PET imaging of O-(2-[18F]Fluorethyl)-L-Tyrosine (FET) uptake provides information on brain tumour extent and metabolic activity. Similarly, MRS has been shown to be of value for distinguishing high- from low-grade gliomas. Based on 2D spatially resolved MRSI, an overlap between 18FET uptake and the choline/N-acetyl-aspartate (Cho/NAA) ratio of more than 75 % has been reported.
Highlights
In addition to MR imaging, PET imaging of O-(2-[18F]Fluorethyl)-L-Tyrosine (FET) uptake provides information on brain tumour extent and metabolic activity
Congruency of tumour volume delineated by FET PET and MRSI
The data were analysed with respect to the congruency of the suspicious tissue delineated by the FET uptake and the Cho/NAA ratio
Summary
In addition to MR imaging, PET imaging of O-(2-[18F]Fluorethyl)-L-Tyrosine (FET) uptake provides information on brain tumour extent and metabolic activity. Congruency of tumour volume delineated by FET PET and MRSI Jörg Mauler1*, Karl-Josef Langen1, Andrew A Maudsley2, Omid Nikoubashman3, Christian Filss1, Gabriele Stoffels1, N Jon Shah1
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