-
Ependymal enhancement: tumor �
lymphoma, mets, CSF seeding (PNET, GBM);
-
Ependymal enhancement: infection �
spread of meningitis, CMV (rare);
-
Ependymal enhancement: inflammatory ventriculitis �
postshunt or after instrumentation, posthemorrhage
-
T2 hypointense basal ganglia lesions:
old age, any chronic degenerative disease (MS, Parkinson�s), childhood hypoxia
-
T2 hyperintense basal ganglia lesions: tumor �
lymphoma, NF;
-
T2 hyperintense basal ganglia lesions: ischemia �
hypoxic encephalopathy, venous infarction;
-
T2 hyperintense basal ganglia lesions: neurodegenerative diseases (uncommon),
Leigh�s dz;
-
T2 hyperintense basal ganglia lesions: toxin �
CO, CN, H2S poisoning, hypoglycemia, methanol;
-
T2 hyperintense basal ganglia lesions: infection �
Cryptococcus, parasites
-
T1 hyperintense basal ganglia lesions:
dystrophic calcifications (any cause), hepatic failure, NF, manganese
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