Differentiation of grade II/III and grade IV glioma by combining "T1 contrast-enhanced brain perfusion imaging" and susceptibility-weighted quantitative imaging

Neuroradiology
Jitender SainiRakesh Kumar Gupta

Abstract

MRI is a useful method for discriminating low- and high-grade glioma using perfusion MRI and susceptibility-weighted imaging (SWI). The purpose of this study is to evaluate the usefulness of T1-perfusion MRI and SWI in discriminating among grade II, III, and IV gliomas. T1-perfusion MRI was used to measure relative cerebral blood volume (rCBV) in 129 patients with glioma (70 grade IV, 33 grade III, and 26 grade II tumors). SWI was also used to measure the intratumoral susceptibility signal intensity (ITSS) scores for each tumor in these patients. rCBV and ITSS values were compared to seek differences between grade II vs. grade III, grade III vs. grade IV, and grade III+II vs. grade IV tumors. Significant differences in rCBV values of the three grades of the tumors were noted and pairwise comparisons showed significantly higher rCBV values in grade IV tumors as compared to grade III tumors, and similarly increased rCBV was seen in the grade III tumors as compared to grade II tumors (p < 0.001). Grade IV gliomas showed significantly higher ITSS scores on SWI as compared to grade III tumors (p < 0.001) whereas insignificant difference was seen on comparing ITSS scores of grade III with grade II tumors. Combining the rCBV and ITSS ...Continue Reading

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Citations

May 16, 2020·PloS One·José Gerardo Suárez-GarcíaBenito de Celis-Alonso
May 16, 2019·Journal of Magnetic Resonance Imaging : JMRI·Rupsa BhattacharjeeAnup Singh
Jul 3, 2021·Current Problems in Diagnostic Radiology·Loai AkerSurjith Vattoth
Aug 24, 2021·Frontiers in Oncology·Ruo-Lun Wei, Xin-Ting Wei

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