The Investigation of the Diagnostic Values of the T2WI Sequence in Cerebral Venous Sinuses Thrombosis in Comparison With 3D MRV

  • Ghazaleh Jamalipour Soufi ORCID Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
  • Ali Hekmatnia Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
  • Arezoo Shafieyoun ORCID Mail Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
  • Mahdieh Afzali ORCID Department of Neurology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
Keywords:
Cerebral venous thrombosis, T2 weighted imaging (T2WI), 3-Dimensional magnetic resonance venography (3DMRV)

Abstract

Cerebral venous sinus thrombosis is an important pathology with various clinical symptoms. Early detection of thrombosis is very important for the improvement of the prognosis. The aim of this study was to calculate the diagnostic value of T2-weighted sequences of magnetic resonance imaging (MRI) in detecting subacute thrombosis. All patients that were suspected of having subacute cerebral venous sinus thrombosis and were referred to the emergency center of Kashani hospital (between September 2018 and September 2019) were entered into the study. Magnetic resonance venography (MRV) and T2-weighted MRI were accomplished for each patient. The sensitivity, specificity, negative predictive value (NPV), and positive predictive value (PPV) of MRI using MRV as the reference method were calculated. A total of 630 patients were entered into the study. A positive subacute venous sinus thrombosis was detected in the MRV of 53 patients; consequently, the sensitivity of 60%, the specificity of 80%, the PPV of 21%, and the NPV of 96% were calculated. MRI was highly specific for detecting the subacute thrombosis of superior sagittal sinus, transverse sinuses, sigmoid sinuses, and straight sinus (specificity>94%). A substantial agreement was detected between MRI and MRV in distinguishing thrombosis of superior sagittal sinus, transverse sinuses, sigmoid sinuses, and straight sinus (kappa>0.6). T2-weighted MRI is a specific method in detecting cerebral venous sinus thrombosis. In a patient with signs of thrombosis in the T2-weighted sequence, additional workups are highly suggested to rule out the pathology.  

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Published
2020-11-10
How to Cite
1.
Jamalipour Soufi G, Hekmatnia A, Shafieyoun A, Afzali M. The Investigation of the Diagnostic Values of the T2WI Sequence in Cerebral Venous Sinuses Thrombosis in Comparison With 3D MRV. Acta Med Iran. 58(8):383-387.
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