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KMID : 0877220020060010007
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Journal of Korean Epilepsy Society
2002 Volume.6 No. 1 p.7 ~ p.14
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Auditory Auras in Complex Partial Epilepsy : Correlation of EEG and MRI Findings
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Yang Kwang-Ik
Park Sun-Ah
Kim Gyu-Sik
Park Hyung-Kook
Heo Kyoung
Park Soo-Chul
Lee Byung-In
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Abstract
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Background: Auditory auras are rare but may have localizing value in patients presenting with epilepsy. We conducted the study to correlate the clinical characteristics, EEG and MRI findings in patients with auditory auras.
Methods: We identified 44 epileptic patients (23 male, 21 female) with auditory auras from Yonsei epilepsy registry between 1989 and 2000. All had routine EEG and MRI. These patients were subjected for the classification of lobar epilepsies based on the clinical-EEG-MRI correlations, which aimed at demonstrating 1) the association of auditory auras with temporal lobe epilepsy and 2) the localizing value of auditory auras to the neocortical temporal lobe epilepsy.
Results: Auditory auras were elementary in twenty-three, complex in eighteen, and both in three. Twenty patients described auditory aura only, and 24 patients described other associated auras including cephalic sensation, emotional, experiential, autonomic, epigastric, visual, vestibular, and somatosensory phenomena. The classification based on the Clinic-EEG-MRI correlations revealed that 33 of 44 patients (75%) were classified as temporal lobe epilepsy, however, it did not suggest any strong correlations with neocortical temporal lobe epilepsy.
Conclusion: Auditory aura was strongly related with the temporal lobe epilepsy but it did not provide any further localizing value of seizure origin in patients with TLE.
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KEYWORD
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c-Fos protein, Medial vestibular nucleus
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