目的探讨颅外段椎动脉夹层的彩色多普勒超声表现。
Objective To explore the characteristics of colour doppler flow imaging (CDFI) in the diagnosis of extracranial vertebral artery dissection (EVAD).
目的探讨彩色多普勒超声对脑梗塞患者颅外段椎动脉血流的检查价值。
Objective To study the values of color Doppler ultrasonography (CDU) for the extracranial vertebral artery flow in cerebral infarction patients.
目的：观察椎动脉颅外段的侧支吻合情况，并探讨其临床意义。
Objective: to observe the morphological pattern of collateral anastomoses of extracranial vertebral arteries and discuss its clinical significance.
目的：观察椎动脉颅外段的侧支吻合情况，并探讨其临床意义。
Objective: to observe the morphological pattern of collateral anastomoses of extracranial vertebral arteries and discuss its clinical significance.
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