| Temporal pole signal abnormality on MR imaging in temporal lobe epilepsy with hippocampal sclerosis: a fluid-attenuated inversion-recovery study. | |
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MedLine Citation:
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PMID: 17876389 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To determine the frequency and regional involvement of temporal pole signal abnormality (TPA) in patients with hippocampal sclerosis (HS) using fluid-attenuated inversion-recovery (FLAIR) MR imaging, and to correlate this feature with history. METHOD: Coronal FLAIR images of the temporal pole were assessed in 120 patients with HS and in 30 normal subjects, to evaluate gray-white matter demarcation. RESULTS: Ninety (75%) of 120 patients had associated TPA. The HS side made difference regarding the presence of TPA, with a left side prevalence (p=0.04, chi2 test). The anteromedial zone of temporal pole was affected in 27 (30%) out of 90 patients. In 63 (70%) patients the lateral zone were also affected. Patients with TPA were younger at seizure onset (p=0.018), but without association with duration of epilepsy. CONCLUSION: Our FLAIR study show temporal pole signal abnormality in 3/4 of patients with HS, mainly seen on the anteromedial region, with a larger prevalence when the left hippocampus was involved. |
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Authors:
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Henrique Carrete; Nitamar Abdala; Kátia Lin; Luís Otávio Caboclo; Ricardo Silva Centeno; Américo Ceiki Sakamoto; Jacob Szjenfeld; Roberto Gomes Nogueira; Elza Márcia Targas Yacubian |
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Publication Detail:
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Type: Controlled Clinical Trial; Journal Article |
Journal Detail:
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Title: Arquivos de neuro-psiquiatria Volume: 65 ISSN: 0004-282X ISO Abbreviation: Arq Neuropsiquiatr Publication Date: 2007 Sep |
Date Detail:
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Created Date: 2007-09-18 Completed Date: 2008-03-12 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0125444 Medline TA: Arq Neuropsiquiatr Country: Brazil |
Other Details:
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Languages: eng Pagination: 553-60 Citation Subset: IM |
Affiliation:
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Departamento de Diagnóstico por Imagem, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Age of Onset Brain Diseases / epidemiology, pathology* Brazil / epidemiology Chi-Square Distribution Epilepsy, Temporal Lobe / epidemiology, pathology* Female Functional Laterality Hippocampus / pathology* Humans Magnetic Resonance Imaging / methods Male Middle Aged Sclerosis Signal Processing, Computer-Assisted Temporal Lobe / abnormalities*, pathology* Time Factors |
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