ART4 and myeloid sarcoma: The percentage of WM lesions featuring a central vein on susceptibility-weighted MRI is substantially higher in MS compared to other MS mimics [28–30] such as migraine, small vessel disease, inflammatory CNS vasculopathies, Susac syndrome, neuromyelitis optica spectrum disorders (NMOSD), and myelin oligodendrocyte glycoprotein antibody disease (MOGAD).