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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/46556
Title: Cranial dural arteriovenous fistulas: Can noninvasive imaging predict angiographic findings?
Authors: Anchalee Churojana
Srikanya Lakkhanawat
Ornkamol Chailerd
Tiplada Boonchai
Christophe Cognard
Hôpital Purpan
Faculty of Medicine, Siriraj Hospital, Mahidol University
Keywords: Medicine
Issue Date: 1-Jul-2018
Citation: Siriraj Medical Journal. Vol.70, No.4 (2018), 289-297
Abstract: © 2018, Siriraj Medical Journal. Objective: To access the practical of non-invasive diagnostic tools including computed tomography (CT) and magnetic resonance imaging (MRI) to determining the characteristics and aggressiveness of a cranial dural arteriovenous fistula (DAVF). Methods: Retrospective review of patients with cranial DAVFs who had registered at the Interventional Neuroradiology Center, Siriraj Hospital between January 2007 and December 2016 was performed. The pre-treatment imaging findings were recorded for presence of diagnostic criteria of DAVF, number and location of shunts, and aggressiveness of the disease. Cerebral angiography was used as standard reference in each patient. Results: There were 86 patients with 119 DAVFs, of which 70.6% were aggressive type. By non-invasive imaging criteria, the shunt detection rate was 95.3%. Inaccuracy of localization and aggressiveness pattern of the disease occurred in 10.4% and 5.9% of the cases respectively. Dural sinus thrombosis was shown in 38%. MRI was superior to CT in accuracy of multiplicity (76.7% VS 55.3%) and identification of aggressiveness (90.2% VS 80%). Conclusion: Both CT scan and conventional MRI have capability in detection of DAVFs and identification of the disease aggressiveness. Diagnostic limitation and mistaken aggressiveness can occur in patients who have DAVFs with dural sinus drainage only. CT or MRI should be used in practice as the initial work up, with clinical correlation, to identify patients with DAVFs who require endovascular treatment at the appropriate time.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85057523164&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/46556
ISSN: 22288082
Appears in Collections:Scopus 2018

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