Chart 2. Chart showing the scales used in MRI images.
Scale/Score | 0 | 1 | 2 | 3 | 4 |
---|---|---|---|---|---|
FAZEKAS White matter lesion Leukoaraiosis/ microangiopathy Fazekas et al. 24 |
No changes | Mild Scattered pointed foci |
Moderate Initial confluence of foci |
Severe Large, extensive and confluent areas |
XXX |
TMA Hippocampal atrophy Scheltens et al. 25 |
No changes no atrophy |
Only enlargement of the choroid fissure | Also, enlargement of the lateral ventricle lateral horn | Moderate loss of hippocampal volume (height reduction) | Severe loss of hippocampal volume |
GCA Global cortical atrophy Pasquier et al. 26 |
No changes no cortical atrophy |
Mild sulci opening | Moderate Loss of gyri volume |
Severe atrophy “knife blade” |
XXX |
TMA: temporal mesial atrophy; GCA: global cortical atrophy.