2022
DOI: 10.3390/diagnostics12061444
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Arterial Spin Labeling Perfusion in Determining the IDH1 Status and Ki-67 Index in Brain Gliomas

Abstract: The aim of the study was to evaluate the relationship between tumor blood flow (TBF) measured by the pseudo-continuous arterial spin labeling (PCASL) method and IDH1 mutation status of gliomas as well as Ki-67 proliferative index. Methods. The study included 116 patients with newly diagnosed gliomas of various grades. They received no chemotherapy or radiotherapy before MRI. IDH1 status assessment was performed after tumor removal in 106 cases—48 patients were diagnosed with wildtype gliomas (Grade 1–2—6 patie… Show more

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Cited by 3 publications
(6 citation statements)
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“…CBF-based detection of the most malignant regions was not performed either. On the contrary, our study included such ROIs in highly perfused enhancing tumor cores as such tumor parts were proven to be the most malignant [45,47].…”
Section: Discussionmentioning
confidence: 99%
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“…CBF-based detection of the most malignant regions was not performed either. On the contrary, our study included such ROIs in highly perfused enhancing tumor cores as such tumor parts were proven to be the most malignant [45,47].…”
Section: Discussionmentioning
confidence: 99%
“…This generally supports our previous studies. We consider that biopsy should be taken from the highest perfusion focus defined by ASL (pCASL) perfusion [9,45,47].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore, only 1 optimized network trained by a sufficiently wide CBF range and the widest ATT range theoretically measurable by the acquisition design is required in clinical practice. However, the effects of extremely high blood flow, which have been reported in some brain tumors, 32 on DNN performance should also be investigated to improve clinical utility.…”
Section: Discussionmentioning
confidence: 99%
“…setting (ie, data set 15: 0-120 mL/100 g/min for CBF and 0-4500 milliseconds for ATT) was the most accurate because it had the lowest NMAE and NRMSE. Although the CV Net of CBF fluctuated across training data sets, the ATT was generally low, except for the ATT range of 3000 to 4500 milliseconds (data sets [31][32][33][34][35][36]. Based on the final ranking, the best and worst cases were data sets 15 and 36, respectively (Fig.…”
Section: Evaluation Of the In Vivo Studymentioning
confidence: 99%