頁籤選單縮合
題 名 | Proton Magnetic Resonance Spectroscopy in Patients with Complex Partial Seizures=複雜性局部癲癇患者之磁振質譜分析 |
---|---|
作 者 | 許元昱; 張承能; 朱迺欣; 張程; 徐志清; | 書刊名 | 臺灣醫學會雜誌 |
卷 期 | 96:8 1997.08[民86.08] |
頁 次 | 頁593-598 |
分類號 | 415.932 |
關鍵詞 | 複雜性局部癲癇患者; 磁振質譜分析; Neuronal loss; Reactive astrocytosis; Epileptogenic foci; |
語 文 | 英文(English) |
英文摘要 | We prospectively studied eight patients with complex partial seizures, using single-voxel proton magnetic resonance spectroscopy (MRS). Control data from 12 healthy volunteers were obtained with the same MRS protocol. The ratios between the peak areas of N-acetylaspartate, creatine and phosphocreatine (Cr), and cholinecontaining compounds (Cho) were analyzed. The results showed statistically significant lower N-acetylaspartate: Cr, N- acetylaspartate: Cho, and N-acetylaspartate: Cho+Cr ratios, and a higher Cho: Cr ratio in the mesial temporal lobes of the patient group than in healthy controls. Because N-acetylaspartate is located in the neurons and Cho and Cr in the glial cells, these observations represent the underlying neuronal loss and reactive astrocytosis in the epileptogenic foci. MRS can detect abnormal metabolic changes in most complex partial seizure patients with normal electroencephalography and magnetic resonance images. MRS can also identify bitemporal abnormalities which are a common feature in patients with complex partial seizures. Proton MRS could not confirm the specific location of seizure foci. Further investigation with quantitative spectral analysis and correlation with surgical outcome is needed to improve the contribution of MRS to the diagnosis and localization of seizure foci. |
本系統中英文摘要資訊取自各篇刊載內容。