Evaluating the Role of Leakage Correction of Hemodynamic Parameters derived from Dynamic Contrast Enhanced MRI for Glioma Grading
Dinil Sasi Sankaralayam PhD, Anandh K. Ramaniharan PhD, Rakesh Kumar Gupta MD, Rana Patir MCh, Sunita Ahlawat MD, Sandeep Vaishya MCh, Anup Singh PhD
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Abstract
SHOWS STRUCTURAL IMAGES AND VARIOUS PARAMETER MAPS COMPUTED USING FIRST-PASS ANALYSIS, CTUM AND PATLAK-MODEL (B–J) IN A PATIENT WITH IDH WILD TYPE GLIOBLASTOMA. (A) POSTCONTRAST T1-W, (B) RCBF, (C) RCBV, (D) FLAIR, (E) RCBF_CORR, (F) RCBV_CORR, (G) RVP (PATLAK-MODEL), AND (H) RFP. CTUM= COMPARTMENTAL TISSUE UPTAKE MODEL; CBV = CEREBRAL BLOOD VOLUME; CBF = CEREBRAL BLOOD FLOW (CBF); CBV_CORR = LEAKAGE CORRECTED CBV; CBF_CORR = LEAKAGE CORRECTED CBF (R REPRESENTS NORMALIZED WITH RESPECT TO NORMAL-APPEARING WM). BY SANKARALAYAM ET AL. (509-511)
评估从动态对比增强磁共振成像得出的血液动力学参数的泄漏校正在胶质瘤分级中的作用
显示idh野生型胶质母细胞瘤患者的结构图像和各种参数图，使用首过分析，ctum和patak - model （b-j）计算。(a)对比后t1-w， (b) rcbf, (c) rcbv, (d) flair, (e) rcbf_corr, (f) rcbv_corr, (g) RVP (patak - model), (h) rfp。Ctum =室室组织摄取模型；脑血容量；脑血流（CBF）；Cbv_corr =泄漏校正cbv；Cbf_corr =泄漏校正后的CBF （r表示相对于正常的wm进行归一化）。作者：sankaralayam等人（509-511）
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