ArticleClinical neuroradiology2015
Diffusion-Weighted MR Imaging Findings of Cortical Vein Thrombosis at 3 T.
Article in Clinical neuroradiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Review
- Detection of cerebral cortical vein thrombosis with high-resolution susceptibility weighted imaging - A comparison with MR venography and standard MR sequences.Neuroradiology · 2023Article
- Comparison of susceptibility-weighted angiography (SWAN) and T2 gradient-echo sequences for the detection of acute cerebral venous thrombosis.The neuroradiology journal · 2023Article
- Diffusion-Weighted Magnetic Resonance Imaging in the Diagnosis of Cerebral Venous Thrombosis : A Meta-Analysis.Journal of Korean Neurosurgical Society · 2021Article
- Role of diffusion-weighted imaging in the diagnosis of cerebral venous thrombosis.The Journal of international medical research · 2020Article
- Unilateral Nonvisualization of a Transverse Dural Sinus on Phase-Contrast MRV: Frequency and Differentiation from Sinus Thrombosis on Noncontrast MRI.AJNR. American journal of neuroradiology · 2020Article
- Imaging findings of the orbital and intracranial complications of acute bacterial rhinosinusitis.Insights into imaging · 2015Article
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Authors and funding
6 authors.
Funding
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Abstract
purposeDiagnosis of cortical vein thrombosis (CVT) on the basis of clot hyperintensity on diffusion-weighted imaging (DWI) has been reported as limited. Our aim was to evaluate different DWI findings of CVT either in isolated form or in combination with sinus thrombosis.
methodsIn this review-board-approved study, patients with the diagnosis of CVT on magnetic resonance venography (MRV) between 2004 and 2011 were evaluated, and 13 patients with 26 CVT (3 isolated and 23 combined CVT) sites were recruited. The evaluated DWI findings were as follows: (1) the hyperintense clot signal (CS) itself, and (2) clot susceptibility signal (CSS) that appears next to the CVT. Two blinded radiologists evaluated the data. Kappa (κ) statistics was applied for interobserver agreement.
resultsBoth readers reported CS within the vascular clot itself in 6 of 26 (23%) CVT sites on DWI. CSS was reported in 16 of 26 (61.5%) CVT sites by reader 1, and in 14 of 26 (54%) of the CVT sites by reader 2. At four CVT sites with thrombosed veins on MRV, both readers reported no DWI findings. When both CS and CSS were evaluated together, reader 1 reported a positive DWI finding in 22 of 26 (84%) of the CVT sites, and reader 2 reported in 20 of 26 (79%) of the sites. κ Statistics showed a very good agreement (κ: 0.87).
conclusionsBesides the hyperintense CS, with additional evaluation of the presence of CSS, DWI can provide an additional clue in CVT patients and may suggest its diagnosis, which is important in clinically unsuspected patients.
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