T1-VISTA辅助诊断和随访小脑后下动脉夹层并发缺血性卒中：两例报告
Diagnosis and follow-up of posterior inferior cerebellar artery dissection complicated with ischemic stroke assisted by T1-VISTA: a report of two cases.
作者信息
Ishitsuka Koji, Sakaki Yusuke, Sakai Shota, Uwatoko Takeshi, Aibe Hitoshi, Ago Tetsuro, Kitazono Takanari, Sugimori Hiroshi
机构信息
Department of Cerebrovascular Medicine, Saga Medical Center Koseikan, Kase-machi Nakabaru 400, Saga, 840-8571, Japan.
Department of Cerebrovascular Disease, Japanese Fukuoka Red Cross Hospital, Fukuoka, 815-8555, Japan.
出版信息
BMC Neurol. 2016 Jul 29;16:121. doi: 10.1186/s12883-016-0637-9.
BACKGROUND
Volume isotropic turbo spin-echo acquisition (VISTA) is a new method similar to the 3D black-blood imaging method that enables visualization of a intramural hematoma. T1-VISTA has recently been applied in the diagnosis of intracranial arterial dissection. However, the identification of an intramural hematoma in posterior inferior cerebellar dissection (PICA-D) by T1-VISTA has only rarely been reported.
CASE PRESENTATION
We herein report two patients who suffered from PICA-D complicated with ischemic stroke. Initial magnetic resonance arteriography was not informative, however, T1-VISTA depicted high-intensity signal areas suggesting an intramural hematoma of PICA-D in both cases. The high-intensity signal areas gradually reduced and finally disappeared at 4 months and 5 months after the onset, respectively.
CONCLUSION
Our cases demonstrate that T1-VISTA was able to assist in the diagnosis and follow-up of PICA-D.
背景
容积各向同性涡轮自旋回波采集（VISTA）是一种类似于三维黑血成像方法的新方法，能够实现壁内血肿的可视化。T1-VISTA最近已应用于颅内动脉夹层的诊断。然而，通过T1-VISTA识别小脑后下动脉夹层（PICA-D）中的壁内血肿的报道很少。
病例报告
我们在此报告2例患有PICA-D并伴有缺血性卒中的患者。最初的磁共振血管造影未提供有用信息，然而，T1-VISTA在2例病例中均显示出高强度信号区域，提示PICA-D的壁内血肿。高强度信号区域分别在发病后4个月和5个月逐渐缩小并最终消失。
结论
我们的病例表明，T1-VISTA能够辅助PICA-D的诊断和随访。
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