TABLE 4.

Initial T2/FLAIR MRI Findings in 15 Patients With ADEM*

Location of Hyperintense Lesions on T2/FLAIRNo. of Patients (%)No. of Lesions Per Patient (Mean [Range])Total No. of Lesions in All Patients (%)
Frontal lobe15 (100%)8.0 (1–30)120 (48%)
Parietal lobe14 (93%)3.7 (0–18)55 (22%)
Temporal lobe8 (53%)1.2 (0–5)18 (7%)
Occipital lobe6 (40%)1.0 (0–6)15 (6%)
Cortical gray matter12 (80%)4.9 (0–28)73 (29%)
Subcortical white matter14 (93%)6.0 (0–44)90 (36%)
Periventricular white matter9 (60%)2.5 (0–16)37 (15%)
Internal capsule1 (7%)0.1 (0–2)2 (0.8%)
Thalamus4 (27%)0.3 (0–2)5 (2%)
Basal ganglia3 (20%)0.3 (02)4 (1.6%)
Brainstem7 (47%)1.1 (0–6)16 (6%)
Cerebellum2 (13%)0.1 (0–1)2 (0.8%)
Corpus callosum (Splenium)1 (7%)0.1 (0–2)1 (0.4%)
Total brain lesions15 (100%)16.8 (4–56)252 (100%)
  • * Data are from 15 patients for whom MRI films were available for detailed rereading.