Interictal MEG reveals focal cortical dysplasias: Special focus on patients with no visible MRI lesions

Epilepsy Research

Volumn 105, Issue 3, 2013, Pages 337-348

  Wilenius, Juha ^a   Medvedovsky, Mordekhay ^a,b   Gaily, Eija ^a   Metsähonkala, Liisa ^a   Mäkelä, Jyrki P ^a   Paetau, Anders ^a   Valanne, Leena ^c   Paetau, Ritva ^a,c  

^a HELSINKI UNIVERSITY CENTRAL HOSPITAL   (Finland)

^b TEL AVIV SOURASKY MEDICAL CENTER   (Israel)

^c HOSPITAL DISTRICT OF HELSINKI AND UUSIMAA   (Finland)

Author keywords

Epilepsy; Epilepsy surgery; Focal cortical dysplasia; Magnetoencephalography

Indexed keywords

ADULT; ARTICLE; CHILD; CLINICAL ARTICLE; CLINICAL FEATURE; CONTROLLED STUDY; CORTICAL DYSPLASIA; DIAGNOSTIC IMAGING; DIAGNOSTIC VALUE; DISEASE ASSOCIATION; EPILEPSY; FEMALE; HUMAN; IMAGE ANALYSIS; MAGNETOENCEPHALOGRAPHY; MALE; NEUROIMAGING; NUCLEAR MAGNETIC RESONANCE IMAGING; OUTCOME ASSESSMENT; PATIENT ASSESSMENT; PREDICTIVE VALUE; PRESCHOOL CHILD; PRIORITY JOURNAL; QUALITATIVE ANALYSIS; RETROSPECTIVE STUDY; SPIKE WAVE; SYNDROME DELINEATION;

EPILEPSY; EPILEPSY SURGERY; FOCAL CORTICAL DYSPLASIA; MAGNETOENCEPHALOGRAPHY;

ADOLESCENT; ADULT; CHILD; CHILD, PRESCHOOL; FEMALE; FOLLOW-UP STUDIES; HUMANS; MAGNETIC RESONANCE IMAGING; MAGNETOENCEPHALOGRAPHY; MALE; MALFORMATIONS OF CORTICAL DEVELOPMENT; MIDDLE AGED; RETROSPECTIVE STUDIES; YOUNG ADULT;

EID: 84880041233     PISSN: 09201211     EISSN: 18726844     Source Type: Journal    
DOI: 10.1016/j.eplepsyres.2013.02.023     Document Type: Article

References (25)

1. Bast T., Oezkan O., Rona S., Stippich C., Seitz A., Rupp A., et al. EEG and MEG source analysis of single and averaged interictal spikes reveals intrinsic epileptogenicity in focal cortical dysplasia. Epilepsia 2004, 45:621-631.
2. Besson P., Andermann F., Dubeau F., Bernasconi A. Small focal cortical dysplasia lesions are located at the bottom of a deep sulcus. Brain 2008, 131:3246-3255.
3. Boonyapisit K., Najm I., Klem G., Ying Z., Burrier C., LaPresto E., et al. Epileptogenicity of focal malformations due to abnormal cortical development: direct electrocorticographic-histopathologic correlations. Epilepsia 2003, 44:69-76.
4. Engel J.J. Outcome with respect to epileptic seizures. Surgical Treatment of the Epilepsies 1993, 609-621. Raven Press, New York. J.J. Engel (Ed.).
5. Fauser S., Schulze-Bonhage A., Honegger J., Carmona H., Huppertz H.J., Pantazis G., et al. Focal cortical dysplasias: surgical outcome in 67 patients in relation to histological subtypes and dual pathology. Brain 2004, 127:2406-2418.
6. Frater J.L., Prayson R.A., Morris H.H., Bingaman W.E. Surgical pathologic findings of extratemporal-based intractable epilepsy: a study of 133 consecutive resections. Arch. Pathol. Lab. Med. 2000, 124:545-549.
7. Kloss S., Pieper T., Pannek H., Holthausen H., Tuxhorn I. Epilepsy surgery in children with focal cortical dysplasia (FCD): results of long-term seizure outcome. Neuropediatrics 2002, 33:21-26.
8. Kral T., Clusmann H., Blumcke I., Fimmers R., Ostertun B., Kurthen M., et al. Outcome of epilepsy surgery in focal cortical dysplasia. J. Neurol.Neurosurg. Psychiatry 2003, 74:183-188.
9. Krsek P., Maton B., Jayakar P., Dean P., Korman B., Rey G., et al. Incomplete resection of focal cortical dysplasia is the main predictor of poor postsurgical outcome. Neurology 2009, 72:217-223.
10. Medvedovsky M., Taulu S., Gaily E., Metsähonkala E.L., Mäkelä J.P., Ekstein D., et al. Sensitivity and specificity of seizure-onset zone estimation by ictal magnetoencephalography. Epilepsia 2012, 53:1649-1657.
11. Morioka T., Nishio S., Ishibashi H., Muraishi M., Hisada K., Shigeto H., et al. Intrinsic epileptogenicity of focal cortical dysplasia as revealed by magnetoencephalography and electrocorticography. Epilepsy Res. 1999, 33:177-187.
12. Otsubo H., Ochi A., Elliott I., Chuang S.H., Rutka J.T., Jay V., et al. MEG predicts epileptic zone in lesional extrahippocampal epilepsy: 12 pediatric surgery cases. Epilepsia 2001, 42:1523-1530.
13. Palmini A., Gambardella A., Andermann F., Dubeau F., da Costa J.C., Olivier A., et al. Intrinsic epileptogenicity of human dysplastic cortex as suggested by corticography and surgical results. Ann. Neurol. 1995, 37:476-487.
14. Palmini A., Najm I., Avanzini G., Babb T., Guerrini R., Foldvary-Schaefer N., et al. Terminology and classification of the cortical dysplasias. Neurology 2004, 62:S2-S8.
15. Phi J.H., Cho B.-K., Wang K.-C., Lee J.Y., Hwang Y.S., Ki Joong K., et al. Longitudinal analyses of the surgical outcomes of pediatric epilepsy patients with focal cortical dysplasia. J. Neurosurg. Pediatr. 2010, 6:49-56.
16. Rowland N.C., Englot D.J., Cage T.A., Sughrue M.E., Barbaro N.M., Chang E.F. A meta-analysis of predictors of seizure freedom in the surgical management of focal cortical dysplasia. J. Neurosurg. 2012, 116:1035-1041.
17. Semah F., Picot M.C., Adam C., Broglin D., Arzimanoglou A., Bazin B., et al. Is the underlying cause of epilepsy a major prognostic factor for recurrence?. Neurology 1998, 51:1256-1262.
18. Sisodiya S.M. Surgery for focal cortical dysplasia. Brain 2004, 127:2383-2384.
19. Tassi L., Colombo N., Garbelli R., Francione S., Lo Russo G., Mai R., et al. Focal cortical dysplasia: neuropathological subtypes, EEG, neuroimaging and surgical outcome. Brain 2002, 125:1719-1732.
20. Tassi L., Garbelli R., Colombo N., Bramerio M., Lo Russo G., Deleo F., et al. Type I focal cortical dysplasia: surgical outcome is related to histopathology. Epileptic Disord. 2010, 12:181-191.
21. Taulu S., Simola J. Spatiotemporal signal space separation method for rejecting nearby interference in MEG measurements. Phys. Med. Biol. 2006, 51:1759-1768.
22. Taylor D.C., Falconer M.A., Bruton C.J., Corsellis J.A. Focal dysplasia of the cerebral cortex in epilepsy. J. Neurol. Neurosurg. Psychiatry 1971, 34:369-387.
23. Urbach H., Scheffler B., Heinrichsmeier T., von Oertzen J., Kral T., Wellmer J., et al. Focal cortical dysplasia of Taylor's balloon cell type: a clinicopathological entity with characteristic neuroimaging and histopathological features, and favorable postsurgical outcome. Epilepsia 2002, 43:33-40.
24. Widdess-Walsh P., Kellinghaus C., Jeha L., Kotagal P., Prayson R., Bingaman W., et al. Electro-clinical and imaging characteristics of focal cortical dysplasia: correlation with pathological subtypes. Epilepsy Res. 2005, 67:25-33.
25. Widjaja E., Otsubo H., Raybaud C., Ochi A., Chan D., Rutka J.T., et al. Characteristics of MEG and MRI between Taylor's focal cortical dysplasia (type II) and other cortical dysplasia: surgical outcome after complete resection of MEG spike source and MR lesion in pediatric cortical dysplasia. Epilepsy Res. 2008, 82:147-155.