TABLE 1:

Vertebrobasilar abnormalities classified by the combination of MR angiography and BPAS-MRI findings

Classified ConditionsMR Angiography FindingBPAS-MR Imaging Finding
AtherosclerosisIrregular or stenoticAlmost normal
Occlusive conditionNot visible or hardly visibleAlmost normal
Hypoplastic vertebral arteryNot visible or hardly visibleNarrow or not visible
AneurysmAneurysmal dilation (unnecessary)Aneurysmal dilation

  • Note.—BPAS indicates basiparallel anatomical scanning.