Table 1:

Image quality

CategoryAssessment Scale
Overall image qualityPoor, sufficient, good, excellent
ArtifactsSevere, moderate, minor, none
Visualization of anatomic  structuresLegible, illegible
 Posterior cross-roads  (T2/T2 STIR only)
 Central sulcus
 Lentiform nucleus
 Ventrolateral thalamus
 Dorsal pons
Diagnostic performancePresent, absent
 Focal WM lesions
 Cystic degeneration