Differentiation between aggressive and benign intracranial non-cavernous dural arteriovenous fistulas using cortical venous reflux on susceptibility weighted images
Issued Date
2023-05-01
Resource Type
ISSN
0720048X
eISSN
18727727
Scopus ID
2-s2.0-85150851164
Pubmed ID
36990052
Journal Title
European Journal of Radiology
Volume
162
Rights Holder(s)
SCOPUS
Bibliographic Citation
European Journal of Radiology Vol.162 (2023)
Suggested Citation
Tritanon O., Khunvutthidee S., Kobkitsuksakul C., Jindahra P., Panyaping T. Differentiation between aggressive and benign intracranial non-cavernous dural arteriovenous fistulas using cortical venous reflux on susceptibility weighted images. European Journal of Radiology Vol.162 (2023). doi:10.1016/j.ejrad.2023.110800 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/82052
Title
Differentiation between aggressive and benign intracranial non-cavernous dural arteriovenous fistulas using cortical venous reflux on susceptibility weighted images
Author's Affiliation
Other Contributor(s)
Abstract
Purpose: This study aimed to evaluate the ability of susceptibility-weighted imaging (SWI) to detect cortical venous reflux (CVR) in patients with intracranial non-cavernous dural arteriovenous fistulas (DAVFs), which can be helpful to differentiate benign and aggressive DAVFs. Material and Methods: Twenty-seven patients (8 women and 19 men) with 33 non-cavernous DAVFs were divided into benign and aggressive groups. Presence of CVR and pseudophlebitic pattern (PPP) and location of fistula on SWI were determined. Digital subtraction angiography was used as the reference standard. Interobserver agreement for the presence of CVR and PPP and location of DAVF on SWI was evaluated using the kappa statistic. Statistical comparisons between the benign and aggressive DAVFs were performed. Results: Sensitivity, specificity, positive predictive value, and negative predictive value of SWI for detecting CVR was 73.7%, 85.7%, 87.5%, and 70.6%, respectively. Corresponding values for detecting PPP were 95.2%, 83.3%, 95.2%, and 83.3%, respectively. SWI correctly identified DAVF location in 78.9%. Prevalence rates of CVR and PPP on SWI were significantly higher in aggressive DAVFs than benign ones. Conclusion: SWI exhibited high sensitivity and specificity for detection of CVR, a characteristic used to differentiate benign and aggressive lesions. CVR and PPP on SWI are signs of aggressive DAVFs that guide to perform angiography confirmation and prompt treatment to avoid serious complication.