Summary
Eight patients with angiographically confirmed arteriovenous malformations (AVMs) were studied by CT and MRI. MRI scans were performed with a 0.35 Tesla wholebody scanner using three spin-echo sequences (SE 400/35, SE 1600/35, SE 1600/70). In CT and MRI, pathological findings were obtained in all cases. In MRI AVMs were displayed as lesions of low signal intensity in the applied sequences. Full extent of the lesions as well as the relationship to the surrounding structures were clearly demonstrated in MRI in all patients. Based on the characteristic sequence dependent signal intensity property of the lesions, the differential diagnosis in the sense of an AVM could be obtained by MRI in all cases. Concerning topographical imaging and/or differential diagnosis, MRI was superior to CT in 4 out of 8 cases. MRI offers advantages in the demonstration of AVMs of the cerebral midline, especially in brain stem angiomas.
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Supported by the Bundesministerium für Forschung und Technologie, 5300 Bonn-Bad Godesberg, Grant No. 01 VF 142
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Schörner, W., Bradac, G.B., Treisch, J. et al. Magnetic resonance imaging (MRI) in the diagnosis of cerebral arteriovenous angiomas. Neuroradiology 28, 313–318 (1986). https://doi.org/10.1007/BF00333436
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DOI: https://doi.org/10.1007/BF00333436