VALUE OF PROTON-MR-SPECTROSCOPY IN THE DIAGNOSIS OF TEMPORAL LOBE EPILEPSY; CORRELATION OF METABOLITE ALTERATIONS WITH ELECTROENCEPHALOGRAPHY

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AYDIN HASAN; OKTAY NILAY AYDIN; KIZILGOZ VOLKAN; ALTIN ELIF; TATAR IDIL GUNES; HEKIMOGLU BAKI

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Journal: Iranian Journal of Radiology Year:2012 | Volume:9 | Issue:1 Page(s): 1-11

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Title

VALUE OF PROTON-MR-SPECTROSCOPY IN THE DIAGNOSIS OF TEMPORAL LOBE EPILEPSY; CORRELATION OF METABOLITE ALTERATIONS WITH ELECTROENCEPHALOGRAPHY

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Keywords

MAGNETIC RESONANCE SPECTROSCOPY

EPILEPSY

TEMPORAL LOBE

ELECTROENCEPHALOGRAPHY

Abstract

Background: EPILEPSY, a well-known mostly idiopathic neurologic disorder, has to be correctly diagnosed and properly treated. Up to now, several diagnostic approaches have been processed to determine the epileptic focus.Objectives: The aim of this study was to discover whether proton-MR-spectroscopic imaging (MRSI) aids in the diagnosis of TEMPORAL LOBE EPILEPSY in conjunction with classical ELECTROENCEPHALOGRAPHY (EEG) findings.Patients and Methods: Totally, 70 mesial temporal zones consisting of 39 right hippocampi and 31 left hippocampi of 46 patients (25 male, 21 female) were analyzed by proton MRSI. All patients underwent a clinical neurologic examination, scalp EEG recording and prolonged video EEG monitoring. Partial seizures on the right, left or both sides were recorded in all patients. All patients were under medical treatment and none of the patients underwent amygdalohippocampectomy and similar surgical procedures.Results: The normal average lactate (Lac), phosphocreatine, N-acetyl aspartate (NAA), creatine (Cr), choline (Cho), myo-inositol, glutamate and glutamine (Glx) peaks and Nacetyl aspartate/Cr, NAA/ Cho + Cr, Cho/Cr ratios were measured from the healthy opposite hippocampi or from the control subjects. The Lac, glutamate and glutamine (Glx), myo-inositol, phosphocreatine and NAA metabolites plus Cho/Cr ratio showed statistical difference between the normal and the epileptic hippocampi. Cho, Cr metabolites plus NAA/Cr, NAA/ Cho + Cr ratios were almost the same between the groups. The sensitivity of Proton-MR-Spectroscopy for lateralization of the epileptic foci in all patients was 96% and the specificity was 50%.Conclusions: Proton-MRSI can easily be considered as an alternative modality of choice in the diagnosis of TEMPORAL LOBE EPILEPSY and in the future; Proton-MR-Spectroscopy may become the most important technique used in EPILEPSY centers.

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APA: Copy

AYDIN, HASAN, OKTAY, NILAY AYDIN, KIZILGOZ, VOLKAN, ALTIN, ELIF, TATAR, IDIL GUNES, & HEKIMOGLU, BAKI. (2012). VALUE OF PROTON-MR-SPECTROSCOPY IN THE DIAGNOSIS OF TEMPORAL LOBE EPILEPSY; CORRELATION OF METABOLITE ALTERATIONS WITH ELECTROENCEPHALOGRAPHY. IRANIAN JOURNAL OF RADIOLOGY, 9(1), 1-11. SID. https://sid.ir/paper/284272/en

Vancouver: Copy

AYDIN HASAN, OKTAY NILAY AYDIN, KIZILGOZ VOLKAN, ALTIN ELIF, TATAR IDIL GUNES, HEKIMOGLU BAKI. VALUE OF PROTON-MR-SPECTROSCOPY IN THE DIAGNOSIS OF TEMPORAL LOBE EPILEPSY; CORRELATION OF METABOLITE ALTERATIONS WITH ELECTROENCEPHALOGRAPHY. IRANIAN JOURNAL OF RADIOLOGY[Internet]. 2012;9(1):1-11. Available from: https://sid.ir/paper/284272/en

IEEE: Copy

HASAN AYDIN, NILAY AYDIN OKTAY, VOLKAN KIZILGOZ, ELIF ALTIN, IDIL GUNES TATAR, and BAKI HEKIMOGLU, “VALUE OF PROTON-MR-SPECTROSCOPY IN THE DIAGNOSIS OF TEMPORAL LOBE EPILEPSY; CORRELATION OF METABOLITE ALTERATIONS WITH ELECTROENCEPHALOGRAPHY,” IRANIAN JOURNAL OF RADIOLOGY, vol. 9, no. 1, pp. 1–11, 2012, [Online]. Available: https://sid.ir/paper/284272/en

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