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KMID : 0960920020010020122
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Dementia and Neurocognitive Disorders
2002 Volume.1 No. 2 p.122 ~ p.126
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A Patient with Amnestic Syndrome and Peduncular Hallucinosis-like Episode Associated with Left Posterior Cerebral Arterial Infarction
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Chung Seng-Yun
Han Seol-Heui
Sohn Jeong-Eun
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Abstract
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‘Peduncular hallucinosis’ denotes a psychosensorial disorder consisting of multiple viscular colored images of brief duration, which usually occur in the evening or inthe dark. Typically, the patient is aware that the images are not real. Most cases of peduncular hallucinosis have been described in association with lesions of vascular nature, including thalamic or brain stem ischemia, vasospasm of the perforating brian stem arteries, and pontine or mesencephalic hemorrhage. We describe a patient who presents vivid hallucinatory episode and subsequently develops various neuropsychologic disturbances including amnestic syndrome. The responsible lesion was a large infarct in the left posterior cerebral arterial territory without any evidence of brainstem involvement.
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KEYWORD
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Peduncular hallucinosis, Amnestic, Posterior cerebral arterial infarction
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