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Basal ganglia calcification:
physiologic (#1), hypoparathyroid, HPT, TORCH, AIDS, TB, toxoplasmosis, cysticercosis (common), lead, CO, radiation, chemotherapy, Fahr�s disease, mitochondrial (common), ischemic-hypoxic injury
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White matter disease:
demyelinating (MS, ADEM, CPM), dysmyelinating (leukodystrophies), tumor (lymphoma, mets) vasculopathies (small vessel ischemic dz, vasculitis, HTN, eclampsia, migraines, radiation, chemotherapy, cyclosporine, IVDA), inflammatory (Lyme, sarcoid, HIV, PML, CMV)
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Wallerian degeneration:
infarction, trauma, demyelinating, radiation, neurodegenerative, tumor
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Neurodegenerative disorders:
WM � demyelinating, dysmyelinating; GM � Alzheimer�s, Pick�s, multiinfarct dementia, Parkinson�s, lysosomal storage disorders, Wernicke�s, Creutzfeldt-Jakob, mesial temporal sclerosis; BG � Huntington�s, Wilson�s, Fahr�s, Leigh�s, ALS
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Cerebellar atrophy:
oligopontocerebellar degeneration, alcohol, dilantin, hemosiderin deposition
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