mr scans were interpreted without knowledge of clinical information and were assessed for ( 1 ) location and character ( i.e. , bland or hemorrhagic ) of infarct , and ( 2 ) nonheme iron ( i.e. , marked hypointensity on long tr/te images ) in the basal ganglia , red nuclei , substantia nigra , thalami , dentate nuclei , and deep white matter .
C0004781
basal ganglia
C0038590
substantia nigra