Significance of FDG-PET Hypermetabolism in Children with Intractable Focal Epilepsy

被引:19
作者
Schur, Solon [1 ]
Allen, Victoria [3 ]
White, Andrew [3 ]
Mirsky, David [4 ]
Stence, Nicholas [4 ]
O'Neill, Brent [5 ]
Handler, Michael [5 ]
Dudley, Roy [2 ]
Laoprasert, Pramote [3 ]
机构
[1] McGill Univ, Hlth Ctr, Montreal Neurol Inst, Dept Neurol & Neurosurg, Montreal, PQ, Canada
[2] McGill Univ, Hlth Ctr, Montreal Childrens Hosp, Dept Pediat Surg, Montreal, PQ, Canada
[3] Univ Colorado Denver, Childrens Hosp Colorado, Dept Neurol, Aurora, CO USA
[4] Univ Colorado Denver, Childrens Hosp Colorado, Dept Neuroradiol, Aurora, CO USA
[5] Univ Colorado Denver, Childrens Hosp Colorado, Dept Neurosurg, Aurora, CO USA
关键词
Epilepsy; Surgery; Positron emission tomography; Hypermetabolism; Focal cortical dysplasia; POSITRON-EMISSION-TOMOGRAPHY; CEREBRAL GLUCOSE-METABOLISM; OF-THE-ART; INFANTILE SPASMS; INTRINSIC EPILEPTOGENICITY; CORTICAL MALFORMATIONS; BLOOD-FLOW; ICTAL PET; SURGERY; CLASSIFICATION;
D O I
10.1159/000487088
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background: Interictal F-18-fluorodeoxyglucose-positron emission topography (FDG-PET) hypometabolism is routinely used in the presurgical workup of children with medically intractable epilepsy (MIE). FDG-PET hypermetabolism, however, is rarely seen, and the significance of this finding in the epilepsy workup is not well established. Methods: We performed a retrospective study of patients who underwent FDG-PET during the presurgical workup of MIE over a 4-year period, between 1 January 2010 and 31 December 2013, at the Children's Hospital Colorado, CO, USA. Results: Focal FDG-PET hypermetabolism was identified in 7 (2.2%) of 317 patients. The median age was 124 months, all cases with catastrophic epilepsy. Surface electroencephalography (EEG) performed concomitantly with FDG injections revealed ictal EEG discharges in 2 patients, frequent interictal epileptiform discharges (IEDs) in 3, occasional IEDs in 1, and no IEDs in 1. All 7 patients underwent functional hemispherectomies. Histopathology revealed type 1 focal cortical dysplasia in all patients. Six (86%) were completely seizure-free (Engel class I) and 1 had extremely infrequent seizures (Engel class II) (mean follow-up, 47.4 months). Conclusion: While a rare finding, interictal PET hypermetabolism does occur, may help identify epileptogenic zones, and assessment to reveal it should be made by concomitant use of surface EEG during PET scans. (C) 2018 S.Karger AG, Basel
引用
收藏
页码:153 / 162
页数:10
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