The most frequently employed method for assessing the brain’s arterial blood supply system is the three-dimensional (3D) time-of-flight (TOF) MRA. This technique offers advantages such …

TONE（tile optimizied non saturated excitation）技术是一种针对3D-TOF-MRA 扫描的特殊脉冲技术，在流入端用较小的偏转角脉冲激发；在流出端则采用较大的偏转角激发，以增加远侧血流 …

Most MRA techniques, including time-of-flight (TOF) methods, can be performed using either a 2D or 3D acquisition mode. 2D TOF is commonly used for imaging of long vascular segments …

3D-MRA非线性分析系统是一种光子共振设备，可发射微幅的光波能量，和人体各器官、组织以及细胞分子的生物磁场所发出的能量波共振。 3D-MRA能预设脑神经元的生物电子活 …

2022年5月1日 · In our study, we generate high resolution 3D medical image patches along with their labels in an end-to-end paradigm for brain vessel segmentation which aids in identifying …

磁共振血管成像（MR angiography，MRA）是一种无创伤性，不需用插管及对比造影剂的血管成像方法，已广泛应用于临床。 MRA血管成像数据采集技术主要有两种：①时间飞越技 …

3D-MRA是融合光譜共振分析、量子共振分析及音頻共振分析的核磁共振細胞能量比對健康評量系統。 此系統乃是以諾貝爾獎「核磁共振」的O-理論作為基礎。

非对比增强3D-TOF MRA成像方法采用时间飞跃法进行血管成像，无创、无需对比剂，具有SNR高和成像速度快等优势，对血管显示清晰，可重复检查，结合多种重建方法进行后处理，能很好 …

3.0T MRA without contrast agent demonstrates high performance in cerebral aneurysm imaging. The Sixth Affiliated People’s Hospital, Shanghai Jiao Tong University (China), uses timeof …

3D time-of-flight (TOF) MR angiography (MRA), the most common MRA technique in an acute stroke setting, is useful for evaluating intracranial steno-occlusive disease. 1 However, TOF is …