Simultaneous FET-PET and contrast-enhanced MRI based on hybrid PET/MR improves delineation of tumor spatial biodistribution in gliomas: a biopsy validation study

Purpose Glioma treatment planning requires precise tumor delineation, which is typically performed with contrast-enhanced (CE) MRI. However, CE MRI fails to reflect the entire extent of glioma. O-(2- 18 F-fluoroethyl)-L-tyrosine ( 18 F-FET) PET may detect tumor volumes missed by CE MRI. We investiga...

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