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首页> 外文期刊>Journal of Clinical Ultrasound: JCU >Diagnosis of an intracranial arteriovenous malformation using extracranial carotid doppler sonography.
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Diagnosis of an intracranial arteriovenous malformation using extracranial carotid doppler sonography.

机译:使用颅外颈动脉多普勒超声检查诊断颅内动静脉畸形。

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摘要

Carotid sonography is a well-established technique in the evaluation of patients with neurologic symptoms. We describe the case of a woman in whom duplex Doppler sonography of the extracranial carotid circulation showed high-velocity diastolic flow and a low resistance index without turbulence or morphologic abnormality of the artery. A suspected cause of this finding was low-resistance distal circulation secondary to low-resistance intracranial circulation due to an arteriovenous malformation. This diagnosis was later confirmed by CT. Because of the significant risk of bleeding associated with an asymptomatic intracranial arteriovenous malformation, duplex Doppler sonographic findings suggesting a low-resistance waveform in the presence of a morphologically normal carotid artery should prompt further imaging.
机译:颈动脉超声检查是一种用于评估神经系统症状患者的成熟技术。我们描述了一个妇女的案例,在该妇女中,颅外颈动脉循环的多普勒超声检查显示出高速舒张血流和低阻力指数,而没有湍流或动脉形态异常。该发现的怀疑原因是动静脉畸形引起的低阻力颅内循环继发于低阻力远端循环。后来CT证实了这一诊断。由于无症状性颅内动静脉畸形伴有明显的出血风险,因此,双功多普勒超声检查结果提示在形态正常的颈动脉存在下低电阻波形应促使进一步影像学检查。

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