Herpetic encephalitis
Presentation
Fever and headache starting a week ago.
Patient Data
Age: 30-year-old
Gender: Female
From the case:
Herpetic encephalitis
MRI
MRI Brain
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Coronal T1
Increased density in the hippocampus and the left temporal lobe on T2-weighted and FLAIR sequences.
Restriction of diffusion in DWI.
Case Discussion
T1 shows oedema of the limbic system and left medial temporal lobe. Hyperintensity affected white matter and cortex on FLAIR in these areas. Restricted diffusion on DWI and ADC.
These findings described in the clinical context, are compatible with herpes encephalitis.
The main differential diagnosis:
- other viral encephalitides
- limbic encephalitis
- gliomatosis cerebri
- status epilepticus
- middle cerebral artery (MCA) infarction
- trauma
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