PMID- 23860150 OWN - NLM STAT- MEDLINE DCOM- 20130911 LR - 20130717 IS - 0028-3886 (Print) IS - 0028-3886 (Linking) VI - 61 IP - 3 DP - 2013 May-Jun TI - Extended resection of hemosiderin fringe is better for seizure outcome: a study in patients with cavernous malformation associated with refractory epilepsy. PG - 288-92 LID - 10.4103/0028-3886.115070 [doi] AB - BACKGROUND: Cerebral cavernous malformation (CCM) is frequently associated with intractable focal epilepsy. Epileptogenicity is usually attributed to the hemosiderin deposits. Extent of resection is a crucial issue for achieving good seizure outcome. AIM: To assess whether seizure outcome is related to the extended resection (ER) of surrounding hemosiderin fringe brain tissue. MATERIALS AND METHODS: Between April 2000 and April 2008, 132 patients with CCM and refractory epilepsy were scheduled for surgery based on the high-resolution magnetic resonance imaging (MRI) findings and intensive video-electroencephalogram (EEG) monitoring. All patients underwent pre- and post-operative MRI. Based on MRI findings patients were grouped into: ER group (ER, hemosiderin completely removed) and lesionectomy group (LE, hemosiderin not/partially removed). Post-operative seizure outcome was compared between the two groups based on Engel and the International League Against Epilepsy outcome scales. RESULTS: At 1-year follow-up of the 86 patients in the ER group, 54 (74.4%) achieved seizure free outcome and in the LE group of the 46 patients, 20 (59.5%) achieved seizure-free outcome. At 5-year follow-up, 59.5% (25/42) of patients in ER group and 27.8% (5/18) of patients in LE group achieved seizure-free outcome. ER was not associated with increased neurological morbidity. CONCLUSIONS: Our study suggests that complete removal of hemosiderin fringe brain tissue surrounding CCMs may improve short-term and long-term seizure outcome. FAU - Wang, Xiaoyu AU - Wang X AD - Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, PR China. FAU - Tao, Zhang AU - Tao Z FAU - You, Chao AU - You C FAU - Li, Qiang AU - Li Q FAU - Liu, Yi AU - Liu Y LA - eng PT - Comparative Study PT - Journal Article PL - India TA - Neurol India JT - Neurology India JID - 0042005 RN - 9011-92-1 (Hemosiderin) SB - IM MH - Adolescent MH - Adult MH - Aged MH - Child MH - Electroencephalography MH - Female MH - Follow-Up Studies MH - Hemangioma, Cavernous, Central Nervous System/complications/*surgery MH - *Hemosiderin MH - Humans MH - Magnetic Resonance Imaging MH - Male MH - Middle Aged MH - Neurosurgical Procedures/*methods MH - Seizures/etiology/*surgery MH - Severity of Illness Index MH - Treatment Outcome MH - Young Adult EDAT- 2013/07/19 06:00 MHDA- 2013/09/12 06:00 CRDT- 2013/07/18 06:00 PHST- 2013/07/18 06:00 [entrez] PHST- 2013/07/19 06:00 [pubmed] PHST- 2013/09/12 06:00 [medline] AID - ni_2013_61_3_288_115070 [pii] AID - 10.4103/0028-3886.115070 [doi] PST - ppublish SO - Neurol India. 2013 May-Jun;61(3):288-92. doi: 10.4103/0028-3886.115070.