A comparison of occipital and temporal lobe epilepsies.
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| Title: | A comparison of occipital and temporal lobe epilepsies. |
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| Authors: | Appel, S., Sharan, A. D., Tracy, J. I., Evans, J., Sperling, M. R. |
| Source: | Acta Neurologica Scandinavica. Oct2015, Vol. 132 Issue 4, p284-290. 7p. |
| Subjects: | Temporal lobe epilepsy, Occipital lobe, Comparative studies, Retrospective studies, Case-control method |
| Abstract: | Purpose Differentiating between occipital lobe epilepsy ( OLE) and temporal lobe epilepsy ( TLE) is often challenging. This retrospective case-control study compares OLE to TLE and explores markers that suggest the diagnosis of OLE. Methods We queried the Jefferson Epilepsy Center surgery database for patients who underwent a resection that involved the occipital lobe. For each patient with OLE, three sequential case-control patients with TLE were matched. Demographic characteristics, symptoms, electrophysiological findings, imaging findings, and surgical outcome were compared. Results Nineteen patients with OLE and 57 patients with TLE were included in the study. Visual symptoms were unique to patients with OLE (8/19) and were not reported by patients with TLE ( P < 0.0001). Occipital interictal spikes ( IIS) were found only in one-third of the patients with OLE (6/19) and in no patients with TLE ( P < 0.0001). IIS in the posterior temporal lobe were found in five of 19 patients with OLE vs one of 57 patients with TLE ( P = 0.003). IIS involved more than one lobe of the brain in most patients with OLE (11/19) but only in nine of 57 the TLE group. ( P = 0.0003) Multilobar resection was needed in most patients with OLE (15/19), typically including the temporal lobe, but in only one of the patients with TLE ( P < 0.0001). Conclusion Occipital lobe epilepsy is difficult to identify and may masquerade as temporal lobe epilepsy. Visual symptoms and occipital findings in the EEG suggest the diagnosis of OLE, but absence of these features, does not exclude the diagnosis. When posterior temporal EEG findings or multilobar involvement occurs, the diagnosis of OLE should be considered. [ABSTRACT FROM AUTHOR] |
| Copyright of Acta Neurologica Scandinavica is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Psychology and Behavioral Sciences Collection |
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| Header | DbId: pbh DbLabel: Psychology and Behavioral Sciences Collection An: 109297206 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A comparison of occipital and temporal lobe epilepsies. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Appel%2C+S%2E%22">Appel, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Sharan%2C+A%2E+D%2E%22">Sharan, A. D.</searchLink><br /><searchLink fieldCode="AR" term="%22Tracy%2C+J%2E+I%2E%22">Tracy, J. I.</searchLink><br /><searchLink fieldCode="AR" term="%22Evans%2C+J%2E%22">Evans, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Sperling%2C+M%2E+R%2E%22">Sperling, M. R.</searchLink> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Acta+Neurologica+Scandinavica%22">Acta Neurologica Scandinavica</searchLink>. Oct2015, Vol. 132 Issue 4, p284-290. 7p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Temporal+lobe+epilepsy%22">Temporal lobe epilepsy</searchLink><br /><searchLink fieldCode="DE" term="%22Occipital+lobe%22">Occipital lobe</searchLink><br /><searchLink fieldCode="DE" term="%22Comparative+studies%22">Comparative studies</searchLink><br /><searchLink fieldCode="DE" term="%22Retrospective+studies%22">Retrospective studies</searchLink><br /><searchLink fieldCode="DE" term="%22Case-control+method%22">Case-control method</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Purpose Differentiating between occipital lobe epilepsy ( OLE) and temporal lobe epilepsy ( TLE) is often challenging. This retrospective case-control study compares OLE to TLE and explores markers that suggest the diagnosis of OLE. Methods We queried the Jefferson Epilepsy Center surgery database for patients who underwent a resection that involved the occipital lobe. For each patient with OLE, three sequential case-control patients with TLE were matched. Demographic characteristics, symptoms, electrophysiological findings, imaging findings, and surgical outcome were compared. Results Nineteen patients with OLE and 57 patients with TLE were included in the study. Visual symptoms were unique to patients with OLE (8/19) and were not reported by patients with TLE ( P < 0.0001). Occipital interictal spikes ( IIS) were found only in one-third of the patients with OLE (6/19) and in no patients with TLE ( P < 0.0001). IIS in the posterior temporal lobe were found in five of 19 patients with OLE vs one of 57 patients with TLE ( P = 0.003). IIS involved more than one lobe of the brain in most patients with OLE (11/19) but only in nine of 57 the TLE group. ( P = 0.0003) Multilobar resection was needed in most patients with OLE (15/19), typically including the temporal lobe, but in only one of the patients with TLE ( P < 0.0001). Conclusion Occipital lobe epilepsy is difficult to identify and may masquerade as temporal lobe epilepsy. Visual symptoms and occipital findings in the EEG suggest the diagnosis of OLE, but absence of these features, does not exclude the diagnosis. When posterior temporal EEG findings or multilobar involvement occurs, the diagnosis of OLE should be considered. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Acta Neurologica Scandinavica is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1111/ane.12396 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 7 StartPage: 284 Subjects: – SubjectFull: Temporal lobe epilepsy Type: general – SubjectFull: Occipital lobe Type: general – SubjectFull: Comparative studies Type: general – SubjectFull: Retrospective studies Type: general – SubjectFull: Case-control method Type: general Titles: – TitleFull: A comparison of occipital and temporal lobe epilepsies. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Appel, S. – PersonEntity: Name: NameFull: Sharan, A. D. – PersonEntity: Name: NameFull: Tracy, J. I. – PersonEntity: Name: NameFull: Evans, J. – PersonEntity: Name: NameFull: Sperling, M. R. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2015 Type: published Y: 2015 Identifiers: – Type: issn-print Value: 00016314 Numbering: – Type: volume Value: 132 – Type: issue Value: 4 Titles: – TitleFull: Acta Neurologica Scandinavica Type: main |
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