A Novel Method to Measure Venular Perivascular Spaces in Patients with MS on 7T MRI

aFrom the Department of Neurology (I.C.G.), Massachusetts General Hospital, Boston, Massachusetts

bDepartments of Medical Education (A.A.-A.), Diagnostic, Molecular and Interventional Radiology (B.N.D., P.B.), Neuroscience and Psychiatry and the BioMedical Engineering and Imaging Institute (P.B.), and Department of Neurology (S.H.), Icahn School of Medicine at Mount Sinai, New York, New York

bDepartments of Medical Education (A.A.-A.), Diagnostic, Molecular and Interventional Radiology (B.N.D., P.B.), Neuroscience and Psychiatry and the BioMedical Engineering and Imaging Institute (P.B.), and Department of Neurology (S.H.), Icahn School of Medicine at Mount Sinai, New York, New York

bDepartments of Medical Education (A.A.-A.), Diagnostic, Molecular and Interventional Radiology (B.N.D., P.B.), Neuroscience and Psychiatry and the BioMedical Engineering and Imaging Institute (P.B.), and Department of Neurology (S.H.), Icahn School of Medicine at Mount Sinai, New York, New York

bDepartments of Medical Education (A.A.-A.), Diagnostic, Molecular and Interventional Radiology (B.N.D., P.B.), Neuroscience and Psychiatry and the BioMedical Engineering and Imaging Institute (P.B.), and Department of Neurology (S.H.), Icahn School of Medicine at Mount Sinai, New York, New York

cDepartments of Computer Science, Mathematics, Physics, and Statistics (R.F.), University of British Columbia, Kelowna, British Columbia, Canada