TABLE 2

Scoring System for Brain Injury Seen on MRI Scans

ScoreDescription
Basal ganglia and thalamus
    0Normal
    1Abnormal signal in thalamus
    2Abnormal signal in thalamus and lentiform nucleus
    3Abnormal signal in thalamus, lentiform nucleus, and perirolandic cortex
    4More-extensive involvement
Watershed areas
    0Normal
    1Single focal infarction
    2Abnormal signal in anterior or posterior watershed white matter
    3Abnormal signal in anterior or posterior watershed cortex and white matter
    4Abnormal signal in both anterior and posterior watershed zones
    5More-extensive cortical involvement
Posterior limb of internal capsule
    0Myelination present
    1Myelination present but impaired
    2Myelination absent