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KMID : 1103720180780050330
대한영상의학회지
2018년 78권 5호 p.330 ~ p.339

Comparison of MRI Sequences for the Detection of Cerebral Venous Sinus Thrombosis During Follow-Up Examination
 ( Choi Ji-Eun ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Radiology

 ( Weon Young-Cheol ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Radiology
 ( Park Gyeong-Min ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Radiology
 ( Kwon Jee-Hyun ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Neurology
 ( Kim Wook-Joo ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Neurology
 ( Kwon Woon-Jung ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Radiology
 ( Choi Seong-Hoon ) - University of Ulsan College of Medicine Ulsan University Hospital Department of Radiology
- Abstract -
Purpose: To compare the diagnostic performance of magnetic resonance (MR) sequences for the evaluation of cerebral venous sinus thrombosis (CVST) during follow-up examinations.

Materials and Methods: Thirteen cases that were confirmed to be CVST between January 2006 and March 2016 were included in this study. Two neuroradiologists independently examined each initial and follow-up MR sequence image in random order.

Results: Gadolinium-enhanced T1-weighted imaging (Gd-enhanced T1WI) was the most sensitive sequence for the detection of CVST in the initial and follow-up MR examinations (82% and 55.3%, respectively). Among the non-enhanced MR sequences of the initial examination, gradient-recalled echo was the most sensitive (77.4%), fluid-attenuated inversion recovery (FLAIR) had low sensitivity (34.4%). The overall diagnostic performances of all MR sequences except for FLAIR decreased during the follow-up. FLAIR was the most sensitive during follow-up, and was also the only sequence with increased sensitivity during follow-up (from 34.4% to 55.6%).

Conclusion: Gd-enhanced T1WI had the best diagnostic performance for CVST in both initial and follow-up MR examinations. Therefore, it is reasonable to use Gd-enhanced T1WI to evaluate CVST during follow-up examinations. However, for patients who cannot tolerate MR contrast agents, the use of FLAIR to assess the remaining CVST during the follow-up may be helpful.
- Key Words -

Cerebral Thrombosis, Diagnosis, Magnetic Resonance Imaging
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