Case contributed by Ammar Haouimi
Diagnosis almost certain


Left neonatal hemiplegia, epilepsy.

Patient Data

Age: 2 years
Gender: Male

The MRI sequences demonstrate:

  • volume loss of the right cerebral hemisphere
  • multiseptated hemispheric porencephalic cyst communicating with the subarachnoid spaces with almost destruction of the hemispheric parenchyma of CSF signal on all sequences
  • surrounding gliosis
  • dilatation of the ipsilateral ventricular system
  • markedly thinned corpus callosum

Case Discussion

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

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.