Encephalomalacia

Case contributed by Dr Ammar Haouimi

Presentation

Left neonatal hemiplegia.

Patient Data

Age: 5 years
Gender: Female
MRI

Partial destruction of the right cerebral hemisphere with volume loss and multiseptated hemispheric porencephalic cyst of CSF signal on all sequences with surrounding gliosis, dilatation of the ipsilateral ventricular system and marked thinning of the corpus callosum. The MRA (3D-TOF) shows complete obliteration of the right middle cerebral artery.

Case Discussion

Encephalomalacia is the result of liquefactive necrosis of the brain parenchyma following an insult. Usually occurs after cerebral ischemiacerebral infectionhemorrhage, surgery, traumatic brain injury, or other insults. 

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