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01.02.2010 | Neuro

Comparison of dual-source CT angiography and MR angiography in preoperative evaluation of intra- and extracranial vessels: a pilot study

verfasst von: Georg Mühlenbruch, Marco Das, Gottfried Mommertz, Meike Schaaf, Stefan Langer, Andreas Horst Mahnken, Joachim Ernst Wildberger, A. Thron, Rolf W. Günther, Timo Krings

Erschienen in: European Radiology | Ausgabe 2/2010

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Abstract

Besides the assessment of carotid artery stenosis, evaluation of the vascular anatomy and lesions within both the extra- and intracranial arteries is crucial for proper clinical evaluation, treatment choice and planning. The purpose of our study was to evaluate the potential of dual-source CTA and 3T-MRA. In 16 symptomatic CAS patients, contrast-enhanced DSCT and 3T-MRA examinations were performed. For DSCT a dual-energy protocol with a 64 × 0.6-mm collimation was applied. In 3T-MRA intracranial high-resolution unenhanced TOF and extracranial contrast-enhanced MRA were performed. All examinations were analyzed for relevant morphologic and pathologic features or anomalies, and a total of 624 vessel segments were scored. All examinations were of diagnostic image quality with good to excellent vessel visibility. Almost all intracranial arteries were significantly better visualized by MRA compared to CTA (five of six vessels, p < 0.05). DSCT however allowed for further morphological carotid stenosis description, especially with respect to calcification. Although MRA proved to be superior in visualization of smaller intracranial arteries, all pre-interventionally relevant information could be perceived from DSCT. DSCT and MRA may both be regarded as a reliable, fast, pre-interventional imaging investigation in patients with carotid artery stenosis.

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Titel: Comparison of dual-source CT angiography and MR angiography in preoperative evaluation of intra- and extracranial vessels: a pilot study
verfasst von: Georg Mühlenbruch
Marco Das
Gottfried Mommertz
Meike Schaaf
Stefan Langer
Andreas Horst Mahnken
Joachim Ernst Wildberger
A. Thron
Rolf W. Günther
Timo Krings
Publikationsdatum: 01.02.2010
Verlag: Springer-Verlag
Erschienen in: European Radiology / Ausgabe 2/2010
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-009-1547-7

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Comparison of dual-source CT angiography and MR angiography in preoperative evaluation of intra- and extracranial vessels: a pilot study

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