- 期刊
利用4D TRAK序列幫助外傷性頸動脈海綿竇廔管在MRI影像上的診斷
Diagnosis of Traumatic Carotid Cavernous Fistula in Magnetic Resonance Imaging by using Four Dimensional Time-Resolved Angiography (4D TRAK)
摘要
傳統的磁振血管造影（magnetic resonance angiography, MRA）能夠提供清楚的顱內血管影像。然而，傳統的磁振血管造影具有良好的空間解析度，但缺乏時間解析度。四維時間解析血管造影（four dimensional time-resolved angiography using keyhole,4D TRAK）是一種注射對比劑的磁振血管造影（contrast-enhanced MRA）技術，但比注射對比劑的磁振血管造影時間上還要來的更快。四維時間解析血管造影有非常出色的時間解析度，足以將動脈和靜脈系統分別造影。我們提出了一個病例報告，來顯示使用這種技術在診斷外傷性頸動脈海綿竇廔管之可能性。
並列摘要
Conventional magnetic resonance angiography (MRA) provides adequate visualization of the intracranial vasculature. However, conventional MRA has good spatial resolution but lacks temporal resolution. Four dimensional time-resolved angiography using keyhole (4D TRAK) is a faster technique of performing contrast-enhanced MRA. This technique has been developed to achieve excellent temporal resolution of the arterial and venous circulations. We report the use of this technique in a case of a high-flow, direct carotid cavernous fistula to demonstrate its potential in intracranial MRA.
延伸閱讀
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