Contribution of SISCOM imaging in the presurgical evaluation of temporal lobe epilepsy related to dysembryoplastic neuroepithelial tumors

Epilepsia
M P ValentiI J Namer

Abstract

Dysembryoplastic neuroepithelial tumors (DNTs) are a group of glioneuronal supratentorial and intracortical lesions often associated with the early onset of intractable and crippling partial seizures. They are characterized by their location, multinodular architecture, and heterogeneous cell composition, with a specific glioneuronal element in the specific form. Foci of cortical dysplasia may be associated with the tumoral lesion, and identifying the presence and the extent of cortical dysplasia is not always easy on magnetic resonance images (MRIs). The purpose of this article is to evaluate, retrospectively, the usefulness of ictal single-photon emission computed tomography (SPECT) imaging to assess the presence and the extent of cortical dysplasia associated with DNTs in nine patients with intractable temporal lobe epilepsy related to histopathologically confirmed DNTs. The results of the subtraction of ictal and interictal SPECT coregistered to MRI (SISCOM) were compared with the results of the examinations of pathological material after surgery. SISCOM showed a strongly hyperperfused area corresponding anatomically to electroclinical abnormalities and to the location of DNTs on MRI. A circumscribed hyperperfusion was prese...Continue Reading

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Citations

Jun 3, 2005·Der Nervenarzt·H StefanM Buchfelder
Jan 2, 2013·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Francine ChassouxCatherine Daumas-Duport
Apr 7, 2011·Nature Reviews. Neurology·Marino M BianchinAmérico C Sakamoto
Sep 23, 2009·Brain : a Journal of Neurology·Sandrine AubertFabrice Bartolomei
Apr 18, 2007·Epilepsia·Uzma SamadaniPeter B Crino
Apr 22, 2008·Neuro-Chirurgie·F Chassoux
Mar 17, 2004·Current Opinion in Neurology·Robert C Knowlton
Jul 24, 2004·Epilepsia·Masahiro MizobuchiMasaaki Takahashi
Dec 18, 2013·Epilepsia·Sylvain RheimsPhilippe Ryvlin
Dec 18, 2013·Epilepsia·Tim Wehner
Dec 29, 2004·Lancet Neurology·Matthias J Koepp, Friedrich G Woermann
Aug 21, 2007·Seminars in Nuclear Medicine·Shekhar PatilLise Borgwardt
Mar 1, 2008·Journal of Clinical Neurology·Tim Wehner, Hans Lüders
Jul 28, 2016·Seizure : the Journal of the British Epilepsy Association·Tong Chen, Liang Guo

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