| Ictal asomatognosia due to dominant superior parietal cortical dysplasia. | |
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MedLine Citation:
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PMID: 20884212 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We report a 23-year-old man with left dominant parietal cortical dysplasia manifesting as ictal asomatognosia. The man had experienced seizures, during which he underwent ictal asomatognosia as a feeling of loss of his right extremities. Scalp electroencephalography (EEG) showed interictal discharges in the left parietal region of his brain. Magnetic resonance fluid-attenuated inversion recovery (FLAIR) imaging revealed a hyperintense lesion in the left superior parietal lobule. A [(123)I]-iomazenil (IMZ) single-photon-emission CT scan demonstrated an area of low IMZ binding coincident with the lesion observed in the MRI scan. Invasive EEG monitoring showed ictal discharges in the cortex posterior to the postcentral sulcus. High-frequency electrical stimulation of the same area of the cortex also induced asomatognosia of the patient's right forearm. We performed a corticectomy of the anterior part of the superior parietal lobule, which resulted in no new neurological deficits. The seizures disappeared after surgery with the maintenance of preoperative medication. Therefore, the anterior part of the superior parietal lobule may be a symptomatogenic zone for ictal asomatognosia. |
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Authors:
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Hiroki Nishibayashi; Yasuo Nakai; Manabu Tamura; Mitsuhiro Ogura; Yuji Uematsu; Toru Itakura |
Publication Detail:
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Type: Journal Article Date: 2010-09-29 |
Journal Detail:
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Title: Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia Volume: 18 ISSN: 1532-2653 ISO Abbreviation: J Clin Neurosci Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9433352 Medline TA: J Clin Neurosci Country: Scotland |
Other Details:
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Languages: eng Pagination: 141-2 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Neurological Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama, Wakayama 641-0012, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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