Presentation
Headaches
Patient Data
Age: 25 years
Gender: Male
From the case:
Transient lesion of the splenium
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There is oval T2-hyperintense and T1-iso-hypointense focus located at the splenium of the corpus corpus callosum, demonstrating high DWI signal with corresponding low ADC values. The remainder of the brain is unremarkable. No susceptibility artefact seen on T2*.
Case Discussion
This patient has no neurological deficit. There are many possible etiologies for transient splenial callosal lesions. This may include:
- hypernatremia
- hypoglycemic encephalopathy
- bacterial or viral meningoencephalitis
- hemolytic uremic encephalopathy
- posterior reversible encephalopathy syndrome (PRES)
- radiation therapy
- diffuse axonal injury
- Marchiafava–Bignami disease
- cerebral infarction
- epilepsy