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Posterior reversible encephalopathy syndrome in a patient with Bickerstaff's brainstem encephalitis

Bickerstaff's brainstem encephalitis (BBE) is characterized by acute ophthalmoplegia, ataxia and impaired consciousness. Serum anti‐GQ1b antibody in the acute phase has been detected in many BBE cases. Posterior reversible encephalopathy syndrome (PRES) is characterized by acute neurological symptoms with vasogenic edema in the bilateral parieto‐occipital regions. It has been pointed out that the activation of inflammatory cytokines might be involved in the pathophysiology of PRES and BBE.