Monday, May 22, 2017

Fact of the day: Marchiafava-Bignami disease

Marchiafava-Bignami disease is a rare disorder of demyelination or necrosis of the corpus callosum and adjacent subcortical white matter that occurs predominantly in malnourished alcoholics. Dementia, spasticity, dysarthria, and inability to walk may present as an acute, subacute or chronic condition.

Lesions appear as hypodense areas in portions of the corpus callosum on CT and as discrete or confluent areas of decreased T1 signal and increased T2 signal on MRI. Alcohol abusers without liver disease, amnesia, or cognitive dysfunction show thinning of the corpus callosum at autopsy and on MRI, suggesting that alcohol or malnutrition damages the corpus callosum commonly in the absence of the necrotic lesions of Marchiafava-Bignami disease.

Interesting, isn't it?
-IkaN

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