Preliminary evaluation of volume-rendered three-dimensional display of time-of-flight MR angiography in the diagnosis of intracranial aneurysms
Preliminary evaluation of volume-rendered three-dimensional display of time-of-flight MR angiography in the diagnosis of intracranial aneurysms
复制标题
飞行时间磁共振血管造影体积渲染三维显示在颅内动脉瘤诊断中的初步评价
作者：
K. Tsuchiya;S. Katase;A. Yoshino;J. Hachiya;K. Yodo
摘要我们评估了三维（3D）飞行时间磁共振血管造影（MRA）图像的容积再现方法在颅内动脉瘤诊断中的价值。我们获得了21例颅内动脉瘤患者的三维容积再现MRA。这些图像与最大强度投影图像（21例）、传统血管造影（21例）和CT血管造影（9例）进行了比较。在17例患者中，3D体积渲染图像被认为最清楚地显示形态学特征。在显示动脉瘤的准确位置方面，三名患者优于其他方法，在显示水泡的形状方面，另外三名患者优于其他方法。3D容积再现MRA可以有效地添加到传统的成像技术诊断颅内动脉瘤。
Abstract We assessed the value of the volume-rendering method of displaying images of three-dimensional (3D) time-of-flight MR angiography (MRA) in the diagnosis of intracranial aneurysms. We obtained three-dimensional volume-rendered MRA from 21 patients with intracranial aneurysms. The images were evaluated in comparison with maximum-intensity-projection images (in 21 patients), conventional angiograms (in 21 ) and CT angiography (in nine). In 17 patients, 3D volume-rendered images were thought to show morphological features most clearly. They were superior to the other methods for demonstrating the precise location of the aneurysm in three patients and in showing the shape of the bleb in another three. 3D volume-rendered MRA can be effectively added to conventional imaging techniques for diagnosis of intracranial aneurysms.