PMID- 30899427 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20200225 IS - 1949-2553 (Electronic) IS - 1949-2553 (Linking) VI - 10 IP - 16 DP - 2019 Feb 22 TI - The value of arterial spin labelling in adults glioma grading: systematic review and meta-analysis. PG - 1589-1601 LID - 10.18632/oncotarget.26674 [doi] AB - This study aimed to evaluate the diagnostic performance of arterial spin labelling (ASL) in grading of adult gliomas. Eighteen studies matched the inclusion criteria and were included after systematic searches through EMBASE and MEDLINE databases. The quality of the included studies was assessed utilizing Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2). The quantitative values were extracted and a meta-analysis was subsequently based on a random-effect model with forest plot and joint sensitivity and specificity modelling. Hierarchical summary receiver operating characteristic (HROC) curve analysis was also conducted. The absolute tumour blood flow (TBF) values can differentiate high-grade gliomas (HGGs) from low-grade gliomas (LGGs) and grade II from grade IV tumours. However, it lacked the capacity to differentiate grade II from grade III tumours and grade III from grade IV tumours. In contrast, the relative TBF (rTBF) is effective in differentiating HGG from LGG and in glioma grading. The maximum rTBF (rTBFmax) demonstrated the best results in glioma grading. These results were also reflected in the sensitivity/specificity analysis in which the rTBFmax showed the highest discrimination performance in glioma grading. The estimated effect size for the rTBF was approximately similar between HGGs and LGGs, and grade II and grade III tumours, (-1.46 (-2.00, -0.91), p-value < 0.001), (-1.39 (-1.89, -0.89), p-value < 0.001), respectively; while it exhibited smaller effect size between grade III and grade IV (-1.05 (-1.82, -0.27)), p < 0.05). Sensitivity and specificity analysis replicate these results as well. This meta-analysis suggests that ASL is useful for glioma grading, especially when considering the rTBFmax parameter. FAU - Alsaedi, Amirah AU - Alsaedi A AD - Department of Radiology Technology, Taibah University, Medina, KSA. AD - Department of Brain Repair & Rehabilitation, Queen Square Institute of Neurology, University College London, London, UK. FAU - Doniselli, Fabio AU - Doniselli F AD - Postgraduate School in Radiodiagnostics, Universita degli Studi di Milano, Milan, Italy. AD - PhD Course in Clinical Research, Universita degli Studi di Milano, Milan, Italy. FAU - Jager, Hans Rolf AU - Jager HR AD - Department of Brain Repair & Rehabilitation, Queen Square Institute of Neurology, University College London, London, UK. AD - Lysholm Department of Neuroradiology, The National Hospital for Neurology and Neurosurgery, University College Hospitals NHS Trust, London, UK. FAU - Panovska-Griffiths, Jasmina AU - Panovska-Griffiths J AD - Department of Applied Health Research, University College London, London, UK. FAU - Rojas-Garcia, Antonio AU - Rojas-Garcia A AD - Department of Applied Health Research, University College London, London, UK. FAU - Golay, Xavier AU - Golay X AD - Department of Brain Repair & Rehabilitation, Queen Square Institute of Neurology, University College London, London, UK. FAU - Bisdas, Sotirios AU - Bisdas S AD - Department of Brain Repair & Rehabilitation, Queen Square Institute of Neurology, University College London, London, UK. AD - Lysholm Department of Neuroradiology, The National Hospital for Neurology and Neurosurgery, University College Hospitals NHS Trust, London, UK. LA - eng PT - Journal Article DEP - 20190222 PL - United States TA - Oncotarget JT - Oncotarget JID - 101532965 PMC - PMC6422184 OTO - NOTNLM OT - arterial spin labeling OT - glioma OT - grading COIS- CONFLICTS OF INTEREST The views expressed in this article are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. EDAT- 2019/03/23 06:00 MHDA- 2019/03/23 06:01 PMCR- 2019/02/22 CRDT- 2019/03/23 06:00 PHST- 2018/10/30 00:00 [received] PHST- 2019/02/01 00:00 [accepted] PHST- 2019/03/23 06:00 [entrez] PHST- 2019/03/23 06:00 [pubmed] PHST- 2019/03/23 06:01 [medline] PHST- 2019/02/22 00:00 [pmc-release] AID - 26674 [pii] AID - 10.18632/oncotarget.26674 [doi] PST - epublish SO - Oncotarget. 2019 Feb 22;10(16):1589-1601. doi: 10.18632/oncotarget.26674. eCollection 2019 Feb 22.