Document Detail

Temporal pole signal abnormality on MR imaging in temporal lobe epilepsy with hippocampal sclerosis: a fluid-attenuated inversion-recovery study.
MedLine Citation:
PMID:  17876389     Owner:  NLM     Status:  MEDLINE    
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.
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:
Type:  Controlled Clinical Trial; Journal Article    
Journal Detail:
Title:  Arquivos de neuro-psiquiatria     Volume:  65     ISSN:  0004-282X     ISO Abbreviation:  Arq Neuropsiquiatr     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-09-18     Completed Date:  2008-03-12     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0125444     Medline TA:  Arq Neuropsiquiatr     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  553-60     Citation Subset:  IM    
Departamento de Diagnóstico por Imagem, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
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MeSH Terms
Age of Onset
Brain Diseases / epidemiology,  pathology*
Brazil / epidemiology
Chi-Square Distribution
Epilepsy, Temporal Lobe / epidemiology,  pathology*
Functional Laterality
Hippocampus / pathology*
Magnetic Resonance Imaging / methods
Middle Aged
Signal Processing, Computer-Assisted
Temporal Lobe / abnormalities*,  pathology*
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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