AI Article Synopsis
- Time-resolved magnetic resonance angiography (TR MRA) is a less invasive imaging technique for diagnosing intracranial vascular issues and hypervascular tumors, using acceleration techniques for high frame-rate images.
- TR MRA has shown good reliability compared to digital subtraction angiography (DSA) when grading brain arteriovenous malformations and is effective in visualizing arteriovenous fistulas.
- This pictorial essay highlights the use of TR MRA at 3.0 T for diagnosing these conditions, using DSA as the reference for accuracy.
Article Abstract
Time-resolved magnetic resonance angiography (TR MRA) is a promising less invasive technique for the diagnosis of intracranial vascular lesions and hypervascular tumors. Similar to 4-dimensional computed tomographic angiography obtaining high frame rate images, TR MRA utilizes acceleration techniques to acquire sequential arterial and venous phase images for identifying, localizing, and classifying vascular lesions. Because of the good agreement with digital subtraction angiography for grading brain arteriovenous malformations with the Spetzler-Martin classification and the good sensitivity for visualizing arteriovenous fistulas, studies have suggested that TR MRA could serve as a screening or routine follow-up tool for diagnosing intracranial vascular disorders. In this pictorial essay, we report on the use of TR MRA at 3.0 T to diagnose intracranial vascular lesions and hypervascular tumors, employing DSA as the reference technique.
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| http://dx.doi.org/10.1016/j.carj.2015.05.001 | DOI Listing |
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