ReviewThe neuroradiology journal2026
Usefulness of amide proton transfer images in the diagnosis of malignant glioma comparison of APT images and 11C-methionine-positron emission tomography.
Review in The neuroradiology journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
IntroductionAmide proton transfer (APT) imaging is one of the imaging methods in Magnetic Resonance Imaging (MRI). It is a molecular imaging technique that visualizes contrast based on the concentration or exchange rate of amide groups of amino acids, which increases in tumors. Methionine-positron emission tomography (MET-PET), on the other hand, has been found to be useful in the imaging diagnosis of glioma because of its clear contrast in the accumulation of tumor cells. In this study, we compared APT and MET-PET on the basis of pathological diagnostic results and backwardly examined whether APT is useful for the imaging diagnosis of glioma.MethodForty-six patients with malignant glioma (World Health Organization 2016 (WHO2016) Grade: GII/III/IV) and suspected pseudoprogression who underwent APT and MET-PET were included in the study. For APT, APT signals were measured in the tumor region of interest, and for MET-PET, 370 MBq was administered to measure the tumor-to-normal tissue ratio (TNR).ResultIn the correlation verification, the actual APT and TNR were correlated with 2.22 ± 1.01 and 2.58 ± 1.5, respectively (r = 0.6,
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