![]() ![]() Details of internal structure were better assessed at 7 T compared to 3 T, with 4/7 lesions (57%) displaying numerous internal details compared to 0/7 lesions (0%) at 3 T (P=0.10). ![]() Delineation of lesion margins was better scored at 7 T compared to 3 T with 3/7 lesions (43%) scored as very well delineated on 7 T compared to 0/7 lesions (0%) at 3 T, although the difference was not significant (P=0.34). Orbital lesion conspicuity was better scored at 7 T compared to 3 T MRI, with 3/7 lesions (43%) scored as very conspicuous at 7 T compared to 0/7 lesion (0%) at 3 T, although the difference was not significant (P=0.16). Comparison between both datasets was made using Fisher exact test.RESULTS: Seven patients (4 women, 3 men) with a median age of 52 years were enrolled. They assessed general characteristics of each orbital lesion as well as image quality and presence of artifacts. Two neuroradiologists, blinded to all data, read both datasets independently and randomly. The purpose of this study was to compare 3 Tesla (T) to 7 T magnetic resonance imaging (MRI) for characterizing orbital lesions.MATERIALS AND METHODS: This prospective single-center study enrolled participants presenting with orbital lesions from May to October 2019, who underwent both 7 T and 3 T MRI examinations. PURPOSE: Characterizing orbital lesions remains challenging with imaging. Diagnostic and interventional imaging Lecler, A., Duron, L., Charlson, E., Kolseth, C., Kossler, A.
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