Cerebral bleeding, infarcts, and presumed extrapontine myelinolysis in hypernatraemic dehydration

The neuroimaging findings in an infant with hypernatremic dehydration are presented. Brain parenchymal haemorrhage and extensive multiple infarcts were present in the acute stage. Follow-up CT showed bilateral, symmetrical changes presumed to indicate extrapontine myelinolysis in the thalamus and gl...

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Bibliographic Details
Published in:Neuroradiology 1999-02, Vol.41 (2), p.144-146
Main Authors: AlOrainy, I A, O'Gorman, A M, Decell, M K
Format: Article
Language:English
Subjects:
Brain - diagnostic imaging
Brain - pathology
Cerebral Hemorrhage - diagnosis
Cerebral Hemorrhage - etiology
Cerebral Infarction - diagnosis
Cerebral Infarction - etiology
Dehydration - complications
Demyelinating Diseases - diagnosis
Demyelinating Diseases - diagnostic imaging
Humans
Hypernatremia - complications
Infant
Magnetic Resonance Imaging
Male
Tomography, X-Ray Computed
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Summary:The neuroimaging findings in an infant with hypernatremic dehydration are presented. Brain parenchymal haemorrhage and extensive multiple infarcts were present in the acute stage. Follow-up CT showed bilateral, symmetrical changes presumed to indicate extrapontine myelinolysis in the thalamus and globus pallidus. MRI confirmed sparing of the pons. Only three previous cases of neuroimaging abnormalities due to hypernatraemia have been described in the radiological literature.
ISSN:0028-3940