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Turkish Neurosurgery

Ilhan Yilmaz, Uzay Erdogan, Osman Tanriverdi, Omur Gunaldi, Utku Adilay, Muhammed Omeroglu, Canan Tanik, Bekir Tugcu
AIM: The etiology and mechanism underlying epidural fibrosis (EF), one of the most frequent causes of failed back surgery after laminectomy, remain unclear. Despite numerous potential modalities evaluated for EF prevention, treatment approaches are limited. This study aimed to evaluate bevacizumab for EF treatment in an experimental rat model using histopathology as well as immunohistochemical staining for CD105 and osteopontin (OPN). MATERIAL AND METHODS: Wistar Albino rats underwent either laminectomy alone to induce EF (group I, control) or laminectomy plus local bevacizumab treatment (group II)...
February 21, 2018: Turkish Neurosurgery
Sedat Develi
AIM: The aim of this study was to evaluate the existence of nerve innervation of the triceps brachii muscle via ulnar nerve and its clinical importance in terms of nerve transfer or susceptibility to iatrogenic injuries during surgical procedures. MATERIAL AND METHODS: 35 skeletally mature upper extremities of adult cadavers were included in the present study. Ulnar nerve was revealed from medial cord to the distal of cubital fossa. Existence of the branches of the ulnar nerve and communicant branch of the radial nerve was examined in the brachium...
February 7, 2018: Turkish Neurosurgery
Raluca Pascalau, Vlad Adrian Padurean, Dana BARTOș, Adrian BARTOș, Bianca Aurora Szabo
AIM: Anatomical variants of the circle of Willis are diverse and frequent and, although they are not a direct cause of cerebrovascular diseases, they are risk factors for impaired collateral perfusion and wall shear stress. This study aimed to correlate the anatomical variants with their effects on the hemodynamic and geometrical parameters responsible for the pathogenesis of neurological diseases. MATERIAL AND METHODS: The circle of Willis and the proximal segments of the main arteries were dissected and measured on ten formalin-fixed human brains...
February 7, 2018: Turkish Neurosurgery
Meng Qi, Yan Ma, Liqun Jiao
Extracranial carotid artery aneurysms (ECAA) are less commonly seen disease. It is still difficult to determine the optimal treatment strategy because of limitations in reporting of results and confounding by indications based on the available literature. We depict a hybrid operation combining surgery with balloon occlusion to achieve distal outlet control, aneurysm resection, and reconstruction of parent internal carotid artery for the treatment of extracranial carotid artery aneurysms with good outcomes according to a 2-year follow up...
February 4, 2018: Turkish Neurosurgery
Ali Gemici, Aysegul Alkilic, Pinar Guleryuz, Selcuk Tunali, Betul Orhan Kilic, Pınar Ozisik
AIM: To discuss a special type of skull lesion detected after delivery. We reviewed our experience on scalp swelling in term neonates to further investigate the relationship between cranial injuries and labour process. MATERIAL AND METHODS: A total of 55 Newborns with scalp swellings were assessed with medical records retrospectively between January 2007- July 2017. A radiologist and a pediatric neurosurgeon reanalyzed all skull X-ray images via picture archiving and communication system of the hospital Results: A special type of skull fracture, called Kanat (wing) fracture was detected...
February 4, 2018: Turkish Neurosurgery
Marcos Devanir Costa, Vinícius Lopes Braga, Kaan Yagmurlu, Ricardo Silva Centeno, Sérgio Cavalheiro, Feres Chaddad
AIM: White fibers dissection is important in identifying detailed neuroanatomical relationships, with tractrography is possible to transport and apply this knowledge in a practical way to treat many diseases involving white matter. MATERIAL AND METHODS: It was used the Klingler method, subsequently disseminated by Ture with slight modifications. RESULTS: We review some historical aspects of white fibers and provide a guide for dissection of the internal capsule...
January 24, 2018: Turkish Neurosurgery
Numan Karaarslan, Ibrahim Yilmaz, Hanefi Ozbek, Duygu Sirin Yasar, Necati Kaplan, Yener Akyuva, Aylin Gonultas, Ozkan Ates
AIM: In this scientific research project, the researchers aimed to determine the gene expression patterns of nucleus pulposus (NP) in cell cultures obtained from degenerated or intact tissues. MATERIAL AND METHODS: Whereas 12 of the cases were diagnosed with lumbar disc hernia and had undergone lumbar microdiscectomy, 12 cases had undergone traumatic intervertebral discectomy and corpectomy, along with discectomy after spinal trauma. NP-specific markers and gene expressions of the reagents of the extracellular matrix in the experimental setup were tested at the 0th, 24th, and 48th hours by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR)...
January 22, 2018: Turkish Neurosurgery
Mizuno Tetsutaro, Sakakibara Toshihiko, Yoshikawa Takamasa, Inaba Tadashi, Kato Takaya, Kasai Yuichi
AIM: Many studies have reported the results of spinal instrumentation using pedicle screw (PS) systems. However, few biomechanical reports have compared the intact spine with instrumented spine. The purpose of this study was to investigate the biomechanical problems related to PS systems. MATERIAL AND METHODS: Functional spinal units (L3-4) of deer were evaluated using a 6-axis material testing machine. For the specimen models, we prepared an intact model, a damaged model, a PS model, and a crosslink model...
January 22, 2018: Turkish Neurosurgery
Mohammad Kaif, Mazhar Husain, Bal Krishna Ojha
Objective Restoration of CSF flow and removal of Intraventricular Cystecercal Cyst is the main goal in treatment Hydrocephalus due Intraventricular Neurocysticercosis. The purpose of this study was to evaluate the technique and outcome of Endoscopic management of Intraventricular Neurocysticercosis. Methods We retrospectively analysed the records of 30 consecutive patients of Intraventricular Intra third and fourth ventricle Neurocysticercosiswho underwent endoscopic management.The clinical profile of the patient were evaluated which included age, symptoms and signs...
January 22, 2018: Turkish Neurosurgery
Pim Wetzelaer, Tim Bouwens VAN DER Vlis, Mehmet Tönge, Linda Ackermans, Pieter Kubben, Silvia Evers, Ersoy Kocabiçak, Yasin Temel
AIM: One of the most distressing hardware-related complications of deep brain stimulation is an infection. These infections can be either treated with antibiotics or with removal of the infected hardware followed by reimplantation. In our experience the success of antibiotic therapy was about 50%. Here, we have investigated the costs of treating the infection with antibiotics only with the risk of surgery when unsuccessful versus immediate removal followed by reimplantation. MATERIAL AND METHODS: We calculated the costs of the different strategies through a standard costing procedure...
January 22, 2018: Turkish Neurosurgery
Xiaoping Yi, Moling Zhou, Shenghui Liao, Guanghui Gong, Hongling Yin, Yongheng Chen, Weihua Liao
AIM: To summarize the imaging features of spinal peripheral primitive neuroectodermal tumor (spPNET) patients. MATERIAL AND METHODS: The computed tomography (CT) and magnetic resonance imaging (MRI) features of ten spPNET patients were retrospectively analyzed, and the clinicopathological data were reviewed. RESULTS: Four men and six women with a mean age of 24.7 years (range, 3-44 years) were included. A total of ten spPNET lesions were found in the ten patients, including six extradural and four intradural extramedullary lesions...
January 9, 2018: Turkish Neurosurgery
Zheng Xu, Yi Liu, Jinchuan Chen
AIM: L5/S1 Adolescent lumbar disc herniation (ALDH) is usually ignored for its low incidence. Recently, percutaneous endoscopic procedures have been widely used. The aim of the study was to investigate the surgical techniques and clinical outcomes of percutaneous endoscopic interlaminar discectomy (PEID) in the treatment of L5/S1 (ALDH). MATERIAL AND METHODS: A retrospective study was performed between May 2012 to September 2014, which included 23 adolescent patients who underwent PEID for L5/S1 lumbar disc herniation...
December 28, 2017: Turkish Neurosurgery
Bahattin Tanrikulu, İbrahim Ziyal, Yaşar Bayri
No abstract text is available yet for this article.
December 25, 2017: Turkish Neurosurgery
Yahya Güvenç, Göktuğ Akyoldaş, Salim Şentürk, Deniz Erbulut, Onur Yaman, Ali Fahir Özer
AIM: With wide application of the pedicle screw, clinical concerns have focused on accurate placement of the screws. Anatomic trajectory (AT) and straightforward trajectory (ST) are two popular techniques of pedicle screw insertion. Herein, we investigated the biomechanical comparison of thoracic transpedicular screw trajectories on the sagittal plane. To the best of our knowledge, this is the first comparative finite element analysis (FEA) on the different insertion trajectories of the pedicle screws in the thoracic spine...
December 25, 2017: Turkish Neurosurgery
Necmettin Tutuncu, Goktekin Tenekeci, Sakir Unal, Necat Yilmaz, Celal Bagdatoglu
AIM: Whether the macular lesions associated with spinal dysraphism should be preserved is controversial. This area is usually excised during reconstruction. This study aims to characterize the macular lesions associated with spinal dysraphism and to determine the outcomes of cases in which macular lesions are not excised. MATERIAL AND METHODS: The patient cohort comprised 17 patients with spinal dysraphism who were treated at Mersin University Hospital from 2005 through 2007...
December 17, 2017: Turkish Neurosurgery
Ayşegül Üçüncü Kefeli, Meriç Şengöz, Selçuk Peker
AIM: Effectiveness and safety of gamma knife radiosurgery (GKRS) for hemorrhagic brainstem cavernous malformations (BSCM) is still an unresolved problem. The purpose of this study was to assess treatment results of GKRS for hemorrhagic BSCMs. MATERIAL AND METHODS: A retrospective review was performed of patients with hemorrhagic BSCMs who were treated at the Acıbadem Kozyatağı Hospital GKRS unit from May 2007 to October 2015. RESULTS: In total 82 patients were identified...
December 17, 2017: Turkish Neurosurgery
Murat Kiraz, Omur Gunaldi, Osman Tanriverdi, Ibrahim Erdim, Lutfi Sinasi Postalci, Bekir Tugcu, Mine Zahide Yazici
AIM: Thesurgical success rates of microscopic and endoscopic transsphenoidalapproaches for treatment of hypophyseal adenomas have often been compared. However, little has been reported regarding sinonasal complications of these approaches. We comparedsinonasal complications after microscopic and endoscopic approaches for hypophyseal adenomas. MATERIAL AND METHODS: At our clinic, sinonasal complications occurred in in 31 patients who underwent microscopic transsphenoidal surgery between 2007 and 2014 and in 32 patients who underwent endoscopic transsphenoidal surgery between 2014 and 2016...
December 17, 2017: Turkish Neurosurgery
Asım Uslu, Cezmi Çağrı Türk, Ali Bacanli, Sevim Yildiz, Ramazan Uyar, Tolga Gediz, Abdullah Konak
The diagnostic spectrum for scalp lesions is extensive and comprises either benign or malignant features. Cornu cutaneum (CC) is a well-recognized condition; however, its origin and natural course are not always obvious. We present the case of a 78-year-old patient who was diagnosed with intracranial meningioma in 2014 and who subsequently refused treatment. He presented a new scalp lesion, resembling a horn, in the vertex region 1.5 years after his last follow-up. The lesion was excised, and the patient was histopathologically diagnosed as having CC caused by squamous cell carcinoma...
December 14, 2017: Turkish Neurosurgery
Karen Cilliers, Benedict Page
Variations and anomalies of the posterior cerebral artery (PCA) have several clinical implications, including assisting in understanding the clinical signs of a stroke. Anomalies have been described previously; however, few reports mention the origins, absence, duplication and triplication of the cortical branches. Furthermore, the PCA branching pattern has not been adequately described. The aim of this study is to describe the anatomy and anomalies of the PCA. Results of a pilot study were additionally included...
December 14, 2017: Turkish Neurosurgery
Anas Abdallah, Hasan Burak Gündüz, Murad Asiltürk, Özden Erhan Sofuoğlu, Bilge Bilgiç, Erhan Emel, Betül Güler Abdallah
AIM: To assess the clinical outcomes of treatment for radiation-induced meningiomas. MATERIAL AND METHODS: Medical records of all cranial meningioma cases which diagnosed or/and underwent surgery in our hospital, during a 7-year period from 2009 to 2016 were retrospectively reviewed. All radiation-associated meningiomas were selected as the core sample used for this study. RESULTS: This series included one female and three male patients with mean age 47...
December 14, 2017: Turkish Neurosurgery
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