Abstract
We evaluated contrast-enhanced MR angiography (MRA) for the identification of recently ruptured cerebral aneurysms. We studied 23 aneurysms in 18 patients (age range 34–72 years) with aneurysms of the anterior (n=17) and posterior (n=6) circulation by comparing 3D time-of-flight (TOF), contrast-enhanced MRA and digital subtraction angiography (DSA). In four of 23 aneurysms, 3D-TOF did not show the lesion. Contrast-enhanced MRA successfully depicted all aneurysms except one. T1 contamination artefacts from subarachnoid or intraparenchymal haemorrhages were evident on the 3D-TOF images in six cases. The artefacts were completely eliminated on the contrast-enhanced MRA images by subtraction of the pre-contrast images. The diagnostic information in patients with subarachnoid haemorrhages (SAHs) provided by contrast-enhanced MRA was comparable to that provided by DSA.
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The contents of this article were presented as a poster entitled “Contrast-enhanced MR angiography of intracranial aneurysms” at the 28th annual meeting of the European Society of Neuroradiology (ESNR), Istanbul, Turkey, 11–14 September 2003
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Unlu, E., Cakir, B., Gocer, B. et al. The role of contrast-enhanced MR angiography in the assessment of recently ruptured intracranial aneurysms: a comparative study. Neuroradiology 47, 780–791 (2005). https://doi.org/10.1007/s00234-005-1424-2
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DOI: https://doi.org/10.1007/s00234-005-1424-2