Objective To evaluate the diagnostic value and reliability of transcranial color-duplex sonography (TCCS) and contrast-enhanced ultrasound (CEUS) on cerebral arterial stenosis by comparing with DSA.

• 摘要目的探讨经颅彩色双功超声(TCCS)及超声造影(CEUS)对颅内动脉狭窄诊断的价值，并与DSA结果对照评价其可靠性。