Abstract
Objective: To study the normal MR venographic findings of the superficial middle cerebral veins(SMCV). Methods: MR findings including T1WI, T2WI, T2WI-flair, DWI and 3D-PC venography in 106 normal subjects were obtained. Results: ①The visualization rates for SMCV, Trolard’s vein and Labbe’s vein were 64.6%, 52.4% and 89.6% respectivily. ②The configuration of Labbe’s vein was showed a single trunk type in 144 cases, double trunk type in 38 cases and multiple trunk type in 10 cases. ③The bridging veins drained to the superior sagittal sinus were 3.651±0.964 on the right cerebrum, and 3.679±0.932 on the left cerebrum. ④The drainage dominance of superficial vein on the right cerebrum was Labbe’s vein>Trolard’s vein>SMCV, and on the left cerebrum Labbe’s vein>SMCV>Trolard’s vein. ⑤The drainage dominance for Labbe’s vein on the left cerebrum was more efficient than that on the right cerebrum(P<0.05), for Trolard’s vein on the right cerebrum was more efficient than that on the left cerebrum(P<0.05), and for SMCV the drainage dominace was equal on both sides(P>0.05). Conclusions: MR venography provides a useful method to demonstrate the anatomic features of SMCV, which may be significant for clinical diagnosis and treatment.
Key words
cerebral veins /
magnetic resonance angiography
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HAN Bo;YANG Guang-fu;HE Bin;LIU Jian-jun;YAO Xiao-qun;YAN Xin-cheng;LI Jin-zhu;LIU Hui;YANG Xiao-jun;FU Xian-min;ZHANG Wen-kui;ZHANG Bao-qi.
MR venographic study of the superficial cerebral veins[J]. Journal of China Clinic Medical Imaging. 2007, 18(7): 473-475
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