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Diffusion-Weighted Imaging in Acute Hyperammonemic Encephalopathy
Neurohosp 3:125-130, Rosario, M.,et al, 2013
See this aricle in Pubmed
Article Abstract
Magnetic resonance imaging (MRI) findings associated with chronic liver disease are characterized by cerebral atrophy and bilateral, symmetric hyperintensities of the globus pallidus on T1-weighted images without corresponding signal intensities in T2-weighted images. Recently, distinct MRI changes of acute hepatic encephalopathy have been described which may be misinterpreted given their resemblance to hypoxic-ischemic injury imaging changes as well as their limited description in the neurologic literature. We describe 3 cases of acute hyperammonemic encephalopathy primarily characterized by restricted diffusion involving the insular and cingulate cortices and thalamus bilaterally.
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ammonia
cerebral cortex
encephalopathy,metabolic
gyrus,abnormal
hepatic encephalopathy
hepatic encephalopathy, acute
hepatic failure
hyperammonemic encephalopathy
liver disease
misdiagnosis
MRI
MRI,abnormal
MRI,diffusion weighted
thalamus,lesion of
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