Yazar "Akalan, Nejat" için listeleme
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Does gross total resection improve progression-free and overall survival in pediatric intracranial ependymomas? Single-center clinical experience of 61 cases
Narin, Fırat; Bahadır, Sinan; Hanalioğlu, Şahin; Karakaya, Dicle; Başar, İbrahim; Işıkay, İlkay; Söylemezoğlu, Figen; Akalan, Nejat; Bilginer, Burçak (Elsevier Inc., 2022)OBJECTIVE: To share our clinical experience of 25 years and identify prognostic factors for progression-free and overall survival in pediatric intracranial ependymomas. METHODS: In total, 61 children who were treated ... -
The endoscopic trans-sinusoidal trans-pterygopalatine route to the foramen rotundum approach in trigeminal neuralgia treatment
Özbek, Muhammet Arif; Başak, Ahmet Tulgar; Çakıcı, Nazlı; Şakul, Bayram Ufuk; Akalan, Nejat (Turkish Neurosurgical Society, 2022)AIM: To describe a new, minimally invasive, and safe access to foramen rotundum via the endoscopic endonasal trans-sinusoidal route for trigeminal nerve blockage. MATERIAL and METHODS: We studied 5 fresh cadavers bilaterally, ... -
International consensus classification of hippocampal sclerosis and etiologic diversity in children with temporal lobectomy
Günbey, Ceren; Söylemezoğlu, Figen; Bilginer, Burçak; Karlı Oğuz, Kader; Akalan, Nejat; Topçu, Meral; Turanlı, Güzide; Yalnızoğlu, Dilek (Academic Press Inc., 2020)Introduction: The distribution of hippocampal sclerosis (HS) subtypes, according to the classification of the International League Against Epilepsy (ILAE), has been reported mainly in adult patients. We aimed to review the ... -
Intraspinal pathology
Akalan, Nejat; Macyszyn, Luke; Hwang, Steven W.; Samdani, Amer F. (Springer International Publishing, 2022)The term "spinal dysraphism" covers two types of spinal congenital malformations, traditionally grouped as "open" and "closed" forms. These two groups have almost no features in common, including their embryological origin, ... -
Is external hydrocephalus a possible differential diagnosis when child abuse is suspected? Editorial
Akalan, Nejat (Springer Wien, 2022)This is a retrospective review of 28 infants collected from two different countries and institutions whom their caregivers had been convicted of “child abuse.” The purpose, descriptions, and the conclusion are well accepted ... -
Kraniosinostoz cerrahisinde komplikasyonlar
Çakıcı Başak, Nazlı; Akalan, Nejat (Türk Nöroşirürji Derneği, 2017)Kraniosinostoz terimi bir ya da birden fazla sütürün prematür olarak kapanmasını ifade eder. Bazı yazarlar tarafından sütürlerdeki bu erken kapanmanın ve olağandışı büyümenin, gelişmekte olan beyin dokusunu etkileyebildiği ... -
Lesional resective epilepsy surgery in childhood: Comparison of two decades and long-term seizure outcome from a single center
Günbey, Ceren; Bilginer, Burçak; Karlı Oğuz, Kader; Söylemezoğlu, Figen; Ergün, Eser Lay; Akalan, Nejat; Topçu, Meral; Turanlı, Güzide; Yalnızoğlu, Dilek (Elsevier, 2022)Objective: Epilepsy surgery has shown efficacy in children. We aimed to assess long-term seizure outcome in children who underwent epilepsy surgery and determine predictive factors for seizure freedom.& nbsp;Methods: This ... -
Long-term effects of vagus nerve stimulation in refractory pediatric epilepsy: A single-center experience
Yalnızoğlu, Dilek; Ardıçlı, Didem; Bilginer, Burçak; Konuşkan, Bahadır; Karlı Oğuz, Kader; Akalan, Nejat; Turanlı, Güzide; Saygı, Serap; Topçu, Meral (Academic Press Inc Elsevier Science, 2020)Introduction: Vagus nerve stimulation (VNS) has been used as an adjunctive therapy for both children and adults with refractory epilepsy, over the last two decades. In this study, we aimed to evaluate the long-term effects ... -
Pediatric arteriovenous malformations
Çakıcı Başak, Nazlı; Akalan, Nejat (Springer, 2017)Contrary to their embryological origin, cerebral arteriovenous malformations have traditionally been regarded as an adult disease. Among various types of congenital vascular disease, classified based on their histopathologic ... -
Pediatric brain tumors: A bibliometric analysis
Özbek, Muhammet Arif; Yardibi, Fatma; Genç, Berkhan; Başak, Ahmet Tulgar; Tahta, Alican; Akalan, Nejat (Springer Science and Business Media Deutschland GmbH, 2022)Purpose The purpose of this study was to identify tendency and current issues in research on pediatric brain tumors over the past 20 years and to help researchers and investors explore new directions for future research ... -
Preoperative and postoperative high angular resolution diffusion imaging tractography of cerebellar pathways in posterior fossa tumors
Ortuğ, Alpen; Yüzbaşıoğlu, Neslihan; Akalan, Nejat; Levman, Jacob; Takahashi, Emi (Wiley, 2022)This study aimed to utilize high angular resolution diffusion magnetic resonance imaging (HARDI) tractography in the mapping of the pathways of the cerebellum associated with posterior fossa tumors (infratentorial neoplasms) ... -
Prognostic value of Ki-67 index in primary intracranial tumors of infants
Tahta, Alican; Akalan, Nejat (Springer, 2023)Objective Primary intracranial tumors are rare tumors in infants. They differ from those found in other pediatric age groups in terms of clinical presentation, histopathological diagnosis, adjuvant therapies, and outcome. ... -
The seizure semiology consistent with frontal lobe symptomatogenic zone in children
Öztoprak, Ülkühan; Yalnızoğlu, Dilek; Karlı Oğuz, Kader; Lay Ergün, Eser; Söylemezoğlu, Figen; Bilginer, Burçak; Akalan, Nejat; Topçu, Meral; Turanlı, Güzide (The Turkish Journal of Pediatrics, 2016)The aim of this study is to analyze the seizure semiology consistent with frontal lobe symptomatogenic zone in childhood. We analyzed 549 videotaped seizures from 79 patients (mean age 9.9 +/- 3.8 years). Magnetic resonance ... -
Semiological seizure classification of epileptic seizures in children admitted to video-EEG monitoring unit
Alan, Serdar; Yalnızoğlu, Dilek; Turanlı, Güzide; Karlı-Oğuz, Kader; Lay Ergün, Eser; Söylemezoǧlu, Figen; Akalan, Nejat; Topçu, Meral (Turkish Journal of Pediatrics, 2015)We aimed to determine seizure characteristics of pediatric patients with epilepsy, and evaluate if Semiological Seizure Classification (SSC) system is applicable in this cohort. We retrospectively studied 183 patients, ... -
Trigeminal nevralji cerrahi tedavisinde endoskopik endonazal transsinüzoidal transpterigopalatin yol ile foramen rotundum yaklaşımı
Özbek, Muhammet Arif (İstanbul Medipol Üniversitesi Tıp Fakültesi, 2018)Fizyopatolojisi kesin olarak bilinmeyen trigeminal nevralji tedavisinde birçok yöntem denenmesine rağmen fikir birliği sağlanmış bir seçenek yoktur. Bu çalışma ile, ilaca dirençli trigeminal nevralji hastalığının cerrahi ...