Evaluation of sinus meningiomas in the region of interest by high-resolution three dimensional contrast-enhanced magnetic resonance venography

Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences
Jianqiang ChenLiu Nie

Abstract

To determine the value of high-resolution three dimensional contrast enhanced magnetic resonance venography (3D CE-MRV) in evaluating sinus meningiomas in the region of interest (ROI). Twenty patients with sinus meningiomas underwent 3D CE-MRV with ROI preoperatively (including 9 patients postoperatively). We observed the changes of venous sinus adjacent the tumor. All patients received high-resolution image, the single acquisition time was about 11.4 s, and the voxel value was about 1.3 mm3. The images of 20 patients showed the change of the sinus clearly, 6 of which with integral sinus, 14 with sinus invaded at various degrees, including 5 with sinus occlusion and 9 with stenosis. CE-MRV also showed 4 patients with clear sinuses, 1 with narrow sinus, partial interruption, and 4 with sinus removed after the surgery. Application of high-resolution 3D CE-MRV in ROI in sinus meningiomas may help obtain a series of high-resolution images in a short time, show the relationship between the tumor and venous sinus, display the degree of invasion of venous sinus clearly, provide information for the surgical treatment, and evaluate the change of sinus after the surgery.

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