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Diagnostic Value of Multidetector-Row CT Angiography in the Evaluation of Thrombosis of the Cerebral Venous Sinuses

J. Linna, B. Ertl-Wagnerb, K.C. Seelosa, M. Struppc, M. Reiserb, H. Brückmanna and R. Brüningd

a Department of Neuroradiology, University Hospital Munich, Grosshadern, Munich, Germany
b Department of Diagnostic Radiology, University Hospital Munich, Grosshadern, Munich, Germany
c Department of Neurology, University Hospital Munich, Grosshadern, Munich, Germany
d Department of Radiology, Asklepios Klinik Barmbek, Hamburg, Germany


Figure 1
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  		Fig 1. Sagittal (A) and coronal (B, C) sections of MIP reformations in a 22-year-old woman (patient 11) demonstrate the normal venous anatomy: superior sagittal sinus (thin arrow), the inferior sagittal sinus (arrowheads), the straight sinus (thick arrow), and the transverse sinuses (curved arrows). No venous pathologic condition was present in this patient. The MDCTA was performed on a 64-row-detector system.


Figure 2
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  		Fig 2. Coronal (A, B) and sagittal (D) sections of MIP reformations of a MDCTA performed on a 4-row-detector system in a 54-year old woman (patient 10) with an acute thrombosis of the superior sagittal sinus (thick arrows) and the left transverse sinus (thin arrow) show filling defects in the respective sinuses. Axial T1- (C) and PD-weighted (E) MR images demonstrate hyperintense signal intensity in the thrombosed left transverse sinus (C, arrow) and the superior sagittal sinus (E, arrow).


Figure 3
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  		Fig 3. A 23-year-old male patient presenting with headache, amnestic aphasia, and visual disturbances (patient 4). MR imaging and MDCTA, performed on a 4-row-detector system, demonstrate a thrombosis of the left transverse (arrows) and sigmoid sinuses.

A, Axial T1-weighted MR depicts hyperintense, thrombotic material in the left transverse sinus.

B, C, 2D time-of-flight MR venography shows no flow void in the left transverse and sigmoid sinuses.

D, Coronal sections of MIP reformations demonstrate a filling defect in the left transverse sinus.


Figure 4
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  		Fig 4. MDCTA and MR images of a 29-year-old female patient (patient 7) presenting with headache and seizures. Transversal sections of MIP reformations of the MDCTA (A, D) demonstrate filling defects in the left transverse (arrowheads) and sigmoid sinuses (arrow). Axial PD-weighted (B) and coronal fluid-attenuated inversion recovery (FLAIR) images (C) depict hyperintense, thrombotic material in the left sigmoid sinus.

E, F, 2D time-of-flight MR venography shows no flow void in the left transverse and sigmoid sinuses.





Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X