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Temporal lobectomy

Dattatraya Muzumdar, Manoj Patil, Atul Goel, Sangeeta Ravat, Nina Sawant, Urvashi Shah
Mesial temporal lobe epilepsy is one of the commonest indications for epilepsy surgery. Presurgical evaluation for drug resistant epilepsy and identification of appropriate candidates for surgery is essential for optimal seizure freedom. The anatomy of mesial temporal lobe is complex and needs to be understood in the context of the advanced imaging, ictal and interictal Video_EEG monitoring, neuropsychology and psychiatric considerations. The completeness of disconnection of epileptogenic neural networks is paramount and is correlated with the extent of resection of the mesial temporal structures...
October 20, 2016: International Journal of Surgery
Rodrigo Antonio Rocha da Cruz Adry, Lucas Crociati Meguins, Sebastião Carlos da Silva Júnior, Carlos Umberto Pereira, Gerardo Maria de Araújo Filho, Lúcia Helena Neves Marques
BACKGROUND: Mesial temporal sclerosis (MTS) is the most common disease found in an epilepsy surgery series. Early age of onset, a history of febrile convulsions, epileptiform discharges on EEG, duration of epilepsy, number of generalized seizures and severity of psychiatric disorders are possible prognostic factors in patients with MTS. OBJECTIVE: The aim of this study is to review the clinical, semiotic, psychological, electrophysiological and neuroradiological researches and relate their findings to the prognosis of patients with MTS who underwent anteromedial temporal lobectomy (ATL)...
October 21, 2016: Acta Neurochirurgica
Lidia M V R Moura, Emad N Eskandar, Mursal Hassan, Joel Salinas, Andrew J Cole, Daniel B Hoch, Sydney S Cash, John Hsu
OBJECTIVE: To compare postoperative seizure-free survival between older and younger adults. METHODS: A retrospective cohort of 107 temporal lobe epilepsy patients with a diagnosis of mesial temporal sclerosis (MTS) received anterior temporal lobectomy (ATL) between 1993 and 2014. We divided the lower three quartiles (younger) and top quartile (older, all 47+ years) of patients, then reviewed patient registry and electronic medical records to determine time to first self-reported seizure after ATL, the primary outcome (mean=3...
September 30, 2016: Epilepsy Research
Francesco Corrivetti, Guillaume Herbet, Sylvie Moritz-Gasser, Hugues Duffau
BACKGROUND: Face recognition is a complex function sustained by a distributed large-scale neural network, with a core system involving the ventral occipito-temporal cortex, the inferior longitudinal fasciculus (ILF) and the splenial commissural fibers. This circuit seems to be bilaterally organized, with however a right hemispheric dominance. According to this anatomo-functional model, prosopagnosia is usually, but not exclusively, generated by a damage of the right part of this brain network...
October 15, 2016: World Neurosurgery
James A McCracken, Michael F Gonzales, Pramit M Phal, Katharine J Drummond
Angiocentric glioma (AG) is a low grade glioma, that was first described in 2002. Since this description, 83 patients with AG have been described, including ours. AG typically presents in childhood with medically refractory seizures that are cured with gross surgical resection. Whilst the natural history is that of a benign tumour, there have been reports of recurrence, transformation, and malignant features that suggest that AG is potentially malignant. We add to the literature a case of a 16-year-old girl who presented in May 2011 with a 3-month history of complex partial seizures, with MRI showing a T2-weighted hyperintense lesion in the left insula and inferior frontal lobe...
October 11, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Ping Ding, Shaohui Zhang, Junchen Zhang, Xiaohong Hu, Xiaoman Yu, Shuangshuang Liang, Chao Gao, Shuli Liang
AIMS: To prospectively study the surgical outcomes of unilateral anterior temporal lobectomy (ATL) in patients with intractable bilateral temporal lobe epilepsy (TLE) as well as two-staged contralateral hippocampal stimulation in patients after failed unilateral ATL. METHODS: Eighteen carefully selected patients with bilateral TLE underwent unilateral ATL. Five cases with failed ATL underwent two-staged contralateral hippocampal stimulation. Seizure control and changes in intelligence quotient (IQ), memory quotient, and quality of life (QOL) were analyzed 2-5 years after treatment...
October 11, 2016: Stereotactic and Functional Neurosurgery
Marcus C Ng, Ronan Kilbride, Mirela Simon, Emad Eskandar, Andrew J Cole
Background. The optimal surgery in lesional neocortical temporal lobe epilepsy is unknown. Hippocampal electrocorticography maximizes seizure freedom by identifying normal-appearing epileptogenic tissue for resection and minimizes neuropsychological deficit by limiting resection to demonstrably epileptogenic tissue. We examined whether standardized hippocampal electrocorticography (hippocampography) guides resection for more consistent hippocampectomy than unguided resection in conventional electrocorticography focused on the lesion...
2016: Epilepsy Research and Treatment
F Benedict, K S Lim, S T Jambunathan, A Hb Hashim
We present a patient with topiramate-induced psychosis who developed alternative psychosis following temporal lobectomy. The number of surgical candidates for temporal lobectomy is increasing as is the frequency of psychiatric co-morbidities. Preoperative planning should take account of these psychiatric co-morbidities. In particular, precautions should be taken when antiepileptic drug-induced psychosis occurs, as this could predict the occurrence of alternative psychosis following lobectomy.
September 2016: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
Daniel M Goldenholz, Alexander Jow, Omar I Khan, Anto Bagić, Susumu Sato, Sungyoung Auh, Conrad Kufta, Sara Inati, William H Theodore
PURPOSE: There is controversy about relative contributions of ictal scalp video EEG recording (vEEG), routine scalp outpatient interictal EEG (rEEG), intracranial EEG (iEEG) and MRI for predicting seizure-free outcomes after temporal lobectomy. We reviewed NIH experience to determine contributions at specific time points as well as long-term predictive value of standard pre-surgical investigations. METHODS: Raw data was obtained via retrospective chart review of 151 patients...
September 22, 2016: Epilepsy Research
Andreu Massot-Tarrús, David A Steven, Richard S McLachlan, Seyed M Mirsattari, David Diosy, Andrew G Parrent, Warren T Blume, John P Girvin, Jorge G Burneo
BACKGROUND: Temporal lobe epilepsy (TLE) with unclear lateralization may require intracranial implantation of electrodes (IIE). We retrospectively assessed the association between the use of IIE and long-term outcomes in patients undergoing anterior temporal lobectomy (ATL). PARTICIPANTS AND METHODS: We retrospectively reviewed the records of 1,032 patients undergoing epilepsy surgery at our center from 1977 to 2006. Patients who underwent ATL were included. Seizure outcome was assessed through final follow-up...
August 11, 2016: Epilepsy Research
Danny T Nguyen, Jacques-Pierre Fontaine, Lary A Robinson, Robert J Keenan, Eric M Toloza
No abstract text is available yet for this article.
October 2016: Journal of Thoracic Oncology
Tadanori Tomita, Jerome M Volk, Wenjun Shen, Tatiana Pundy
OBJECT: Glioneuronal tumors are common neoplasms among the cerebral hemisphere during childhood. They consist of several histological types, of which gangliogliomas (GGs) and dysembryoplastic neuroepithelial tumors (DNTs) are most common and often present with seizures. A great majority of glioneuronal tumors are benign. However, there are conflict reports regarding postoperative tumor recurrence rates and seizure control. The authors analyzed and compared these tumors for their locations and histology and the tumor and seizure control following resection...
October 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
René Andrade-Machado, Vanessa Benjumea-Cuartas
Background: Mesial temporal lobe epilepsy (TLE) is a remediable epileptic syndrome. About 40% of patients continue to have seizures after standard temporal lobectomy. It has been suggested that some of these patients could actually suffer from a more complex epileptogenic network. Because a few papers have been dedicated to this topic, we decided to write an article updating this theme. Methods: We performed a literature search using the following terminology: "temporal plus epilepsy and networks," "temporal plus epilepsy," "orbito-temporal epilepsy," "temporo-insular epilepsy," "temporo-parieto-occipital (TPO) epilepsy," "parieto-temporal epilepsy," "intracortical evoked potential and temporal plus epilepsy," "temporal lobe connectivity and epilepsy," "intracortical evoked potential and epilepsy surgery," "role of extratemporal structures in TLE," "surgical failure after temporal lobectomy," "Diffusion tensor imaging (DTI) and temporal epilepsy," and "positron emission tomography (PET) in temporal plus lobe epilepsy" in the existing PubMed databases...
July 6, 2016: Iranian Journal of Neurology
Chunyan Liu, Ruihua Zhang, Guojun Zhang, Tao Yu, Junli Tai, Wei Du, Liping Li, Yuping Wang
OBJECTIVE: In some cases of single focus epilepsy, conventional video electroencephalography (EEG) cannot reveal the epileptogenic focus even when intracranial electrodes are used. Here, we tested whether analyzing high frequency oscillations (HFOs) can be used to determine the ictal onset zone in suspected bitemporal epilepsy and improve seizure outcome. METHODS: We prospectively studied 13 patients with refractory temporal seizures who were treated over a 4-year period and underwent bilateral placement of intracranial electrodes...
September 5, 2016: Epilepsy Research
Garima Shukla, Priya Agarwal, Rajesh Sagar, Mamta Sood, Aditya Gupta, Ashish Suri, Ajay Garg
Surgery is an established and increasingly utilized treatment option in medically refractory temporal lobe epilepsy. Many psychiatric problems are known to complicate in the postoperative period. Most studies have a follow-up period of less than 24 months. We report the cases of three patients who developed severe psychiatric problems in the late postoperative period after successful temporal lobectomy for refractory epilepsy - Psychosis, major depression with psychosis, and severe anxiety disorder, respectively...
July 2016: Annals of Indian Academy of Neurology
Zohreh Ghotbeddin, Mahyar Janahmadi, Ali Yadollahpour
Epilepsy affects about 1-2 % of world population as a chronic neurological disease that is manifested by repeated and consecutive seizures (Grone and Baraban, Nat Neurosci 18(3):339-343, 2015). There is no definitive therapy for epilepsy and antiepileptic drugs cannot offer a permanent and definitive cure for epilepsy, and most epileptic patients become drug resistant (Sasa, J Pharmacol Sci 100(5):487-494, 2006). Surgery and removal of the epileptic focus is a substitute method for treating drug-resistant patients and epilepsy surgery of either side of the brain improves seizure control...
August 26, 2016: Neurological Sciences
F Irsel Tezer, Farid Xasiyev, Figen Soylemezoglu, Burcak Bilginer, Kader Karli Oguz, Serap Saygi
BACKGROUND: Hippocampal sclerosis (HS) is a common pathology in MTLE, patients may show different surgical outcomes and clinical features. The 2013 ILAE classification subdivides HS into 3 types (HS type 1: severe neuronal loss and gliosis predominantly in CA1 and CA4 regions; - HS type 2: CA1 predominant; HS type 3: CA4 predominant) and includes "gliosis only, as no-HS". The association of clinical and electrophysiological findings with different HS types has not been reported previously in detail...
August 16, 2016: Epilepsy Research
Takuma Higo, Hidenori Sugano, Madoka Nakajima, Kostadin Karagiozov, Yasushi Iimura, Masaru Suzuki, Kiyoshi Sato, Hajime Arai
PURPOSE: We retrospectively evaluated the diagnostic value of (18)F-2-fluorodeoxy-d-glucose positron emission tomography (FDG-PET) with statistical analysis for the foci detection and predictive utility for postsurgical seizure outcome of patients with mesial temporal lobe epilepsy (mTLE). METHOD: We evaluated 40 patients who were diagnosed mTLE and underwent selective amygdalohippocampectomy (SAH) or anterior temporal lobectomy (ATL) in our institute. Preoperative interictal FDG-PET with statistical analysis using three-dimensional stereotactic surface projection (3D-SSP) was detected with several clinical data including seizure semiology, MRI, scalp electroencephalography, surgical procedure with SAH or ATL and postsurgical outcome...
October 2016: Seizure: the Journal of the British Epilepsy Association
A R Giovagnoli, A Parente, G Didato, V Manfredi, F Deleo, G Tringali, F Villani
BACKGROUND AND PURPOSE: Anterior temporal lobectomy (ATL) within the language-dominant hemisphere can impair naming. This prospective study examined the pre-operative to post-operative course of different language components, clarifying which changes are relevant within the short-term and long-term outcome of language. METHODS: Patients with drug-resistant temporal lobe epilepsy (TLE) were evaluated using the Token, Boston Naming and Word Fluency tests assessing sentence comprehension and word-finding on visual, semantic or phonemic cues...
August 16, 2016: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
Baran Bozkurt, Ricardo da Silva Centeno, Feres Chaddad-Neto, Marcos Devanir Silva da Costa, Marcelo Augusto Acosta Goiri, Ali Karadag, Bekir Tugcu, Talat Cem Ovalioglu, Necmettin Tanriover, Serdar Kaya, Kaan Yagmurlu, Andrew Grande
The anterior temporal lobectomy (ATL) and selective amygdalohippocampectomy (SelAH) have been used for surgical treatment of mesial temporal lobe epilepsy. We examined the comprehensive white matter tract anatomy of the temporal lobe to gain an insight into the trans-middle temporal gyrus, a lateral approach which has been commonly used. The transmiddle temporal gyrus approach was performed in a stepwise manner on cadaveric human heads to examine the traversing white matter pathways through it and the structures located in the temporal horn...
August 4, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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