Sökning: onr:"swepub:oai:DiVA.org:umu-135669" > 7 Tesla MRA for the...
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000 | 04185naa a2200409 4500 | |
001 | oai:DiVA.org:umu-135669 | |
003 | SwePub | |
008 | 170602s2017 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1356692 URI |
024 | 7 | a https://doi.org/10.1016/j.mri.2016.11.0062 DOI |
040 | a (SwePub)umu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Wermer, Marieke J. H.u Departments of Neurology, Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands4 aut |
245 | 1 0 | a 7 Tesla MRA for the differentiation between intracranial aneurysms and infundibula |
264 | 1 | b Elsevier,c 2017 |
338 | a print2 rdacarrier | |
520 | a Objective: The differentiation between an aneurysm and an infundibulum with time-of-flight MRA is often difficult. However, this distinction is important because it affects further patient follow-up. The purpose of this study was to assess the added value of high resolution 7 Tesla MRA for investigating small vascular lesions suspect for an aneurysm or an infundibulum.Materials and methods: We included patients in whom an intracranial vascular lesion was detected in our University Hospital and in whom the discrimination between a true aneurysms or an infundibulum could not be made on conventional 1.5 or 3 T MRI were included in the study. All patients underwent an additional 7 T time-of-flight MRA at higher spatial resolution.Results: We included 6 patients. The age range of the patients was 35–65 years and 5 of them were women. 1 out of 6 had a 1.5 T MRI, the other 5 patients had a 3 T MRI previous to the 7 T MRI. The lesion size varied between 0.9 mm and 2.0 mm. In 5 of the 6 patients the presence of an infundibulum could be proven using the high resolution of the 7 T MRA. All patients tolerated the 7 T MRI well.Conclusion: Our results suggest that high resolution and contrast of 7 T MRA provides added diagnostic value in discriminating between intracranial aneurysms and infundibula. This finding may have important consequences for patient follow-up and comfort because it might reduce unnecessary follow-up exams and decrease uncertainty about the diagnosis. Larger studies, however, are needed to confirm our findings. | |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Radiologi och bildbehandling0 (SwePub)302082 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Radiology, Nuclear Medicine and Medical Imaging0 (SwePub)302082 hsv//eng |
653 | a Intracranial aneurysms | |
653 | a Infundibula | |
653 | a High resolution MRA | |
653 | a 7 Tesla | |
653 | a Time-of-flight MRA | |
653 | a Radiology | |
653 | a radiologi | |
700 | 1 | a van Walderveen, Marianne A. A.u Departments of Radiology, Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands4 aut |
700 | 1 | a Garpebring, Andersu Umeå universitet,Radiofysik4 aut0 (Swepub:umu)anga0014 |
700 | 1 | a van Osch, Matthias J. P.u Departments of Radiology, Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands; C.J. Gorter Center for High Field MRI of the Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands4 aut |
700 | 1 | a Versluis, Maarten J.u Departments of Radiology, Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands; C.J. Gorter Center for High Field MRI of the Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands4 aut |
710 | 2 | a Departments of Neurology, Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlandsb Departments of Radiology, Leiden University Medical Center, Albinusdreef 2, PO Box 9600, 2300 RC Leiden, The Netherlands4 org |
773 | 0 | t Magnetic Resonance Imagingd : Elsevierg 37, s. 16-20q 37<16-20x 0730-725Xx 1873-5894 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-135669 |
856 | 4 8 | u https://doi.org/10.1016/j.mri.2016.11.006 |
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