Spatiotemporal evolution of venous narrowing in acute MS lesions
Objective To investigate the spatiotemporal evolution of venous narrowing in newly developing MS lesions in a longitudinal MRI study including susceptibility-weighted images (SWIs). - Methods We retrospectively investigated serial MR examinations of 18 patients with MS acquired on a 3T MRI system in...
Gespeichert in:
| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
January 18, 2018
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| In: |
Neurology: Neuroimmunology & Neuroinflammation ; official journal of the American Academy of Neurology
Year: 2018, Jahrgang: 5, Heft: 2, Pages: 1-8 |
| ISSN: | 2332-7812 |
| DOI: | 10.1212/NXI.0000000000000440 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1212/NXI.0000000000000440 Verlag, Volltext: http://nn.neurology.org/lookup/doi/10.1212/NXI.0000000000000440 
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| Verfasserangaben: | Philipp Eisele, Kristina Szabo, Anne Ebert, Wolfgang Brueck, Michael Platten, and Achim Gass |
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| 520 | |a Objective To investigate the spatiotemporal evolution of venous narrowing in newly developing MS lesions in a longitudinal MRI study including susceptibility-weighted images (SWIs). - Methods We retrospectively investigated serial MR examinations of 18 patients with MS acquired on a 3T MRI system including SWI for acute contrast-enhancing lesions with at least 1 MRI examination before contrast enhancement. The mean diameter of veins at the time point of contrast enhancement was compared with the mean diameter of veins before and after contrast enhancement. - Results A total of 40 acute contrast-enhancing lesions with a corresponding intralesional central vein were included in the study. The mean diameter of intralesional veins at the time of contrast enhancement (0.80 ± 0.12 mm) was smaller than that at before (1.16 ± 0.19 mm) and after contrast enhancement (1.07 ± 0.15 mm; p < 0.001 for all comparisons). - Conclusions Our findings contribute to the increasing database of plaque development and evolution. The smaller diameter of intralesional veins on SWI at the time of blood-brain barrier breakdown may reflect morphologic changes because of perivascular inflammation and/or decreased levels of deoxygenated hemoglobin. | ||
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