Adult ; Angiography, Digital Subtraction ; Cerebrovascular Circulation ; Embolization, Therapeutic* ; Follow-UpStudies ; Humans ; Intracranial Arteriovenous Malformations/diagnosis ; Intracranial Arteriovenous Malformations/physiopathology ; Intracranial Arteriovenous Malformations/therapy* ; Magnetic Resonance Angiography* ; Male ; Time Factors
Keywords
Arteriovenous malformation ; cerebral Contrast-enhanced MRA Hemodynamics Magnetic resonance(MR)
Abstract
We report the hemodynamic assessment in a patient with cerebral arteriovenous malformation using time-resolved magnetic resonance angiography (TRMRA), a non-invasive modality, and catheter-based digital subtraction angiography (DSA), before and after embolization. Comparison of the results showed that TR-MRA produced very fast dynamic images and the findings closely matched those obtained at DSA. For initial work-up and follow-up studies in patients with vascular lesions, TR-MRA and DSA are therefore comparable