利用磁敏感加权磁共振成像检测创伤性脑损伤患者的脑微出血
Susceptibility-weighted magnetic resonance imaging for the detection of cerebral microhemorrhage in patients with traumatic brain injury.
作者信息
Akiyama Yukinori, Miyata Kei, Harada Kuniaki, Minamida Yoshihiro, Nonaka Tadashi, Koyanagi Izumi, Asai Yasufumi, Houkin Kiyohiro
机构信息
Department of Neurosurgery, Sapporo Medical University School of Medicine, Chuo-ku, Sapporo, Hokkaido, Japan.
出版信息
Neurol Med Chir (Tokyo). 2009 Mar;49(3):97-9; discussion 99. doi: 10.2176/nmc.49.97.
The sensitivity of susceptibility-weighted magnetic resonance (MR) imaging was compared with conventional MR sequences, including T(2)-weighted imaging, and computed tomography for the detection of cerebral hemorrhages in 15 patients with head injury. Susceptibility-weighted imaging detected a mean of 76+/-52 (total 1132) hypointense spotty lesions, compared to a mean of 21+/-19 (total 316) detected by T(2)-weighted imaging (p<0.0001, paired t-test). Susceptibility-weighted imaging is extremely sensitive for the visualization and detection of microhemorrhages.
将15例头部受伤患者的磁敏感加权磁共振（MR）成像与包括T（2）*加权成像在内的传统MR序列以及计算机断层扫描用于检测脑出血的敏感性进行了比较。磁敏感加权成像平均检测到76±52个（共1132个）低信号斑点状病变，相比之下，T（2）*加权成像平均检测到21±19个（共316个）（配对t检验，p<0.0001）。磁敏感加权成像对微出血的可视化和检测极为敏感。
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