13 Parenchymal haemorrhage on gradient echo sequence is more common in herpetic encephalitis than AE although this difference did not reach statistical significance in one underpowered study comparing the two types of encephalitis. 14 In some related immune-mediated conditions, the diagnosis can be inferred from typical MRI patterns such as radial perivascular enhancement in autoimmune GFAP astrocytopathy and punctate brainstem/cerebellar enhancement in chro
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Autoimmune encephalitis: proposed best practice recommendations for diagnosis and acute management.
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