The utility of arterial spin labelled perfusion-weighted magnetic resonance imaging in measuring the vascularity of high grade gliomas – A prospective study
Heliyon, ISSN: 2405-8440, Vol: 9, Issue: 7, Page: e17615
2023
- 3Citations
- 5Captures
- 1Mentions
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Metrics Details
- Citations3
- Citation Indexes3
- CrossRef1
- Captures5
- Readers5
- Mentions1
- News Mentions1
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Most Recent News
New Gliomas Study Findings Recently Were Reported by Researchers at Monash Health (The utility of arterial spin labelled perfusion-weighted magnetic resonance imaging in measuring the vascularity of high grade gliomas - A prospective study)
2023 AUG 01 (NewsRx) -- By a News Reporter-Staff News Editor at Medical Imaging Daily News -- Fresh data on gliomas are presented in a
Article Description
Dynamic susceptibility contrast (DSC) perfusion weighted imaging (PWI) currently remains the gold standard technique for measuring cerebral perfusion in glioma diagnosis and surveillance. Arterial spin labelling (ASL) PWI is a non-invasive alternative that does not require gadolinium contrast administration, although it is yet to be applied in widespread clinical practice. This study aims to assess the utility of measuring signal intensity in ASL PWI in predicting glioma vascularity by measuring maximal tumour signal intensity in patients based on pre-operative imaging and comparing this to maximal vessel density on histopathology. Pseudocontinuous ASL (pCASL) and DSC images were acquired pre-operatively in 21 patients with high grade gliomas. The maximal signal intensity within the gliomas over a region of interest of 100 mm 2 was measured and also normalised to the contralateral cerebral cortex (nTBF-C), and cerebellum (nTBF-Cb). Maximal vessel density per 1 mm 2 was determined on histopathology using CD31 and CD34 immunostaining on all participants. Using ASL, statistically significant correlation was observed between maximal signal intensity (p < 0.05) and nTBF-C (p < 0.05) to maximal vessel density based on histopathology. Although a positive trend was also observed nTBF-Cb, this did not reach statistical significance. Using DSC, no statistically significant correlation was found between signal intensity, nTBF-C and nTBF-Cb. There was no correlation between maximal signal intensity between ASL and DSC. Average vessel density did not correlate with age, sex, previous treatment, or IDH status. ASL PWI imaging is a reliable marker of evaluating the vascularity of high grade gliomas and may be used as an adjunct to DSC PWI.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2405844023048235; http://dx.doi.org/10.1016/j.heliyon.2023.e17615; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85165101134&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/37519684; https://linkinghub.elsevier.com/retrieve/pii/S2405844023048235; https://dx.doi.org/10.1016/j.heliyon.2023.e17615
Elsevier BV
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