Peduncular hallucinosis is a rare clinical syndrome manifesting as complex visual hallucinations and sleep-wake dysregulation after injury to deep neural structures, most commonly the midbrain and diencephalon. Initially reported after ischaemic and haemorrhagic stroke, an increasing range of pathologies and procedures have been described as causative of peduncular hallucinosis. We present a novel case of peduncular hallucinosis following debulking of a third ventricular pilocytic astrocytoma as well as a review of the existing literature.
Keywords: Peduncular hallucinosis; Pilocytic astrocytoma; Third ventricle.
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