Zusammenfassung.
Die Magnet-Resonanz-Angiographie (MRA) hat sich seit Anfang der 90er Jahre in der
Routinediagnostik zerebrovaskulärer Erkrankungen etabliert. Zwar gilt die invasive
digitale Subtraktionsangiographie (DSA) weiterhin als Goldstandard in der zerebralen
Gefäßdiagnostik, doch wurde sie bei vielen klinischen Fragestellungen von der MRA
verdrängt. In diesem Artikel soll zunächst eine Übersicht über die unterschiedlichen
Verfahren der MRA gegeben werden. In einem zweiten Teil wird der Stellenwert der MRA
sowie Vor- und Nachteile der einzelnen Verfahren in der Diagnostik unterschiedlicher
zerebrovaskulärer Erkrankungen wie Gefäßverschluss, Gefäßstenose, Dissektion, Aneurysmen,
zerebrale und spinale Gefäßmalformationen diskutiert.
MR angiography: Technical principles and uses in the diagnosis of neurological diseases.
During the last decade, magnetic resonance angiography (MRA) has been incorporated
into the routine evaluation of patients with suspected cerebrovascular disease. Although
digital subtraction angiography (DSA) is still the gold standard in diagnostics of
intracranial vascular disease, it has been replaced by MRA in numerous clinical applications.
In this paper we first provide a review of the various MRA techniques. In the second
part, the diagnostic value as well as advantages and disadvantages of the different
techniques are assessed for various cerebrovascular diseases, such as vessel occlusion,
stenosis, dissection, cerebral aneurysms, and spinal and cerebral arteriovenous malformations.
Schlüsselwörter:
MR-Angiographie - Time-of-Flight MRA - Phasenkontrast MRA - Kontrastmittelunterstützte
MRA - Zerebrovaskuläre Erkrankungen
Key words:
MR angiography - Time-of-flight MRA - Phase-contrast MRA - Contrast-enhanced MRA -
Cerebrovascular disease
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Dr. rer. nat. Sabine Heiland
Abteilung Neuroradiologie
Neurologische Universitätsklinik Heidelberg
Im Neuenheimer Feld 400
69120 Heidelberg
Telefon: + 49-6221-567566
Fax: + 49-6221-564673
eMail: Sabine_Heiland@med.uni-heidelberg.de
