Iomazenil hyperfixation in single photon emission computed tomography study of malformations of cortical development during infancy.

作者: Norimichi Higurashi , Shin-ichiro Hamano , Tomotaka Oritsu , Motoyuki Minamitani , Masayuki Sasaki

DOI: 10.1016/J.EJPN.2011.03.007

关键词:

摘要: Abstract We present 2 cases of malformations cortical development and early onset epilepsy. The first case is a patient with left hemimegalencephaly who developed focal epilepsy at the age days cluster spasms 1.5 months. After functional hemispherectomy, seizures originated from contralateral hemisphere, which had shown normal signals in preoperative magnetic resonance imaging study. second lissencephaly, caused by missense mutation doublecortin gene, West syndrome 5 In both cases, 123 I-iomazenil single photon emission computed tomography performed during infancy showed significant hyperfixation dysplastic lesions. This finding indicates immaturity affected neurons gamma-aminobutyric acidergic involvement epileptogenesis associated infancy.

参考文章(15)
Laura A. Jansen, Lindsey D. Peugh, William H. Roden, Jeffrey G. Ojemann, Impaired maturation of cortical GABAA receptor expression in pediatric epilepsy Epilepsia. ,vol. 51, pp. 1456- 1467 ,(2010) , 10.1111/J.1528-1167.2009.02491.X
Claudio Rivera, Juha Voipio, John A. Payne, Eva Ruusuvuori, Hannele Lahtinen, Karri Lamsa, Ulla Pirvola, Mart Saarma, Kai Kaila, The K+/Cl- co-transporter KCC2 renders GABA hyperpolarizing during neuronal maturation. Nature. ,vol. 397, pp. 251- 255 ,(1999) , 10.1038/16697
Sylvain Rheims, Alfonso Represa, Yehezkel Ben-Ari, Yuri Zilberter, Layer-specific generation and propagation of seizures in slices of developing neocortex: role of excitatory GABAergic synapses. Journal of Neurophysiology. ,vol. 100, pp. 620- 628 ,(2008) , 10.1152/JN.90403.2008
M. P. Richardson, M. J. Koepp, J. S. Duncan, D. J. Brooks, D. R. Fish, Benzodiazepine receptors in focal epilepsy with cortical dysgenesis: An 11C‐flumazenil PET study Annals of Neurology. ,vol. 40, pp. 188- 198 ,(1996) , 10.1002/ANA.410400210
Gary W. Mathern, Marissa Andres, Noriko Salamon, P. Sarat Chandra, Veronique M. Andre, Carlos Cepeda, Michael S. Levine, Joao P. Leite, Luciano Neder, Harry V. Vinters, A Hypothesis Regarding the Pathogenesis and Epileptogenesis of Pediatric Cortical Dysplasia and Hemimegalencephaly Based on MRI Cerebral Volumes and NeuN Cortical Cell Densities Epilepsia. ,vol. 48, pp. 74- 78 ,(2007) , 10.1111/J.1528-1167.2007.01292.X
K.M Jacobs, V.N Kharazia, D.A Prince, Mechanisms underlying epileptogenesis in cortical malformations. Epilepsy Research. ,vol. 36, pp. 165- 188 ,(1999) , 10.1016/S0920-1211(99)00050-9
J. B. Ackman, L. Aniksztejn, V. Crepel, H. Becq, C. Pellegrino, C. Cardoso, Y. Ben-Ari, A. Represa, Abnormal Network Activity in a Targeted Genetic Model of Human Double Cortex The Journal of Neuroscience. ,vol. 29, pp. 313- 327 ,(2009) , 10.1523/JNEUROSCI.4093-08.2009
Carlos Cepeda, Véronique M. André, Nanping Wu, Irene Yamazaki, Besim Uzgil, Harry V. Vinters, Michael S. Levine, Gary W. Mathern, Immature Neurons and GABA Networks May Contribute to Epileptogenesis in Pediatric Cortical Dysplasia Epilepsia. ,vol. 48, pp. 79- 85 ,(2007) , 10.1111/J.1528-1167.2007.01293.X
Alberto Verrotti, Alberto Spalice, Fabiana Ursitti, Laura Papetti, Rosanna Mariani, Antonella Castronovo, Mario Mastrangelo, Paola Iannetti, New trends in neuronal migration disorders European Journal of Paediatric Neurology. ,vol. 14, pp. 1- 12 ,(2010) , 10.1016/J.EJPN.2009.01.005
Diane C. Chugani, Otto Muzik, Csaba Juhász, James J. Janisse, Joel Ager, Harry T. Chugani, Postnatal maturation of human GABAA receptors measured with positron emission tomography. Annals of Neurology. ,vol. 49, pp. 618- 626 ,(2001) , 10.1002/ANA.1003