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Neurosurgical Review

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https://www.readbyqxmd.com/read/29138949/multiple-high-grade-gliomas-epidemiology-management-and-outcome-a-systematic-review-and-meta-analysis
#1
REVIEW
Davide Tiziano Di Carlo, Federico Cagnazzo, Nicola Benedetto, Riccardo Morganti, Paolo Perrini
Multiple high-grade gliomas (M-HGGs) are well--separated tumors, differentiated as multifocal (MF) and multicentric (MC) by their MRI features. The authors performed a systematic review and meta-analysis of literature examining epidemiology, clinical and radiological characteristics, management, and the overall survival from M-HGGs. According to PRISMA guidelines, a comprehensive review of studies published between January 1990 and January 2017 was carried out. The authors identified studies that examined the prevalence rate, clinical and radiological characteristics, treatment, and overall survival from M-HGGs in patients with HGG...
November 14, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29130124/systemic-autoimmune-diseases-complicated-with-hydrocephalus-pathogenesis-and-management
#2
REVIEW
Hexiang Yin, Junji Wei, Li Wang, Liying Cui, Renzhi Wang
Systemic autoimmune diseases (SAIDs) represent a group of syndromes involving at least two organ systems. Classical SAIDs include connective tissue diseases, vasculitis, and granulomatous diseases, many of which involve the nervous system and result in different neurological manifestations. Hydrocephalus can be a rare but lethal complication of various SAIDs, including systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), sarcoidosis, and primary vasculitis. However, the pathogenesis of SAIDs complicated with different types of hydrocephalus is varied and difficult to determine using the existing published data, and various manifestations and expressive forms of the conditions bring a substantial challenge to a timely clinical diagnosis and treatment...
November 12, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29116423/postoperative-occipital-neuralgia-in-posterior-upper-cervical-spine-surgery-a-systematic-review
#3
Qing Guan, Fei Xing, Ye Long, Zhou Xiang
Postoperative occipital neuralgia (PON) after upper cervical spine surgery can cause significant morbidity and may be overlooked. The causes, presentation, diagnosis, management, prognosis, and prevention of PON were reviewed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. English-language studies and case reports published from inception to 2017 were retrieved. Data on surgical procedures, incidence, cause of PON, management, outcomes, and preventive technique were extracted...
November 7, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29105013/is-non-awake-surgery-for-supratentorial-adult-low-grade-glioma-treatment-still-feasible
#4
REVIEW
Hugues Duffau
In this short review, the author performs a database search, summarizes, and discusses studies that provide information on the need to perform awake surgery to preserve quality of life/return to work of adult patients who undergo resection for a supratentorial low-grade glioma (LGG). Based upon the currently available data, the author concludes that in LGG, patients with no or only mild deficits at diagnosis, non-awake surgery can no longer be achieved. Indeed, awake craniotomy with intrasurgical electrical mapping has resulted in an increase of the extent of resection and overall survival in LGG...
November 6, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29105012/is-awake-surgery-for-supratentorial-adult-low-grade-gliomas-the-gold-standard
#5
Michael Buchfelder, Yining Zhao
No abstract text is available yet for this article.
November 6, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29105011/modern-robot-assisted-radiosurgery-of-cerebral-angiomas-own-experiences-system-comparisons-and-comprehensive-literature-overview
#6
Thomas Feutren, Andres Huertas, Julia Salleron, René Anxionnat, Serge Bracard, Olivier Klein, Didier Peiffert, Valérie Bernier-Chastagner
Cerebral arteriovenous malformations (AVMs) are rare vascular lesions potentially responsible for substantial neurological morbidity and mortality. Over the past four decades, radiosurgery has become a valid therapeutic option for many patients with small intracranial AVMs, but reports describing the use of robotic stereotactic radiosurgery (SRS) are rare. The purposes of this study are to describe the efficacy and toxicity of robotic SRS for AVMs and to review the literature. The reports of 48 consecutive patients treated with SRS were reviewed...
November 5, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29090359/oblique-retroperitoneal-approach-for-lumbar-interbody-fusion-from-l1-to-s1-in-adult-spinal-deformity
#7
Ki-Tack Kim, Dae-Jean Jo, Sang-Hyun Lee, Eun-Min Seo
In recent years, with advancements in surgical techniques and instrumentation, the lateral lumbar interbody fusion is being used increasingly as an alternative procedure to anterior approach. In this study, we illustrated a oblique retroperitoneal approach for lumbar interbody fusion with one incision site and tilting of the operation table in adult spinal deformity and evaluate the radiographical findings and clinical outcomes of patients treated using this technique. This study included 32 patients scheduled to undergo anterior and posterior long-level fusions for lumbar degenerative kyphosis or degenerative lumbar scoliosis...
October 31, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29086084/the-association-between-collagen-gene-polymorphisms-and-intracranial-aneurysms-a-meta-analysis
#8
REVIEW
Qingling Meng, Qiang Hao, Chuanjie Zhao
The association between single nucleotide polymorphisms (SNPs) of the collagen gene and intracranial aneurysm (IA) pathogenesis remains controversial. Thus, in this study, a meta-analysis was performed to evaluate the association between collagen gene SNPs and the incidence of IA. A systematic search of major online databases up to March 2017 was performed. Five genetic models (allelic, dominant, recessive, heterozygous, and homozygous models) were used to analyze the associations. A total of 14 trials with 13,709 patients were included...
October 31, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29080054/double-pituitary-adenomas-associated-with-persistent-trigeminal-artery-a-rare-case-report-and-the-review-of-literature
#9
Naohisa Miyagi, Ryou Doi, Terukazu Kuramoto, Kiyohiko Sakata, Shigeyuki Tahara, Yasuo Sugita, Motohiro Morioka
Multiple pituitary adenomas are rare. We present a quite unique case of double pituitary adenomas associated with persistent trigeminal artery (PTA) treated by endoscopic surgery. To the best of our knowledge, this is the first report in the literature. A 64-year-old woman was referred to our hospital for suspicion of acromegaly. Preoperative magnetic resonance imaging revealed two separate intrasellar masses with intrasellar vascular structure. Right cerebral angiography showed medial-type PTA. The patient underwent endoscopic transsphenoidal surgery and both tumors were resected completely...
October 27, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29063229/interfacing-with-the-nervous-system-a-review-of-current-bioelectric-technologies
#10
REVIEW
Ronald Sahyouni, Amin Mahmoodi, Jefferson W Chen, David T Chang, Omid Moshtaghi, Hamid R Djalilian, Harrison W Lin
The aim of this study is to discuss the state of the art with regard to established or promising bioelectric therapies meant to alter or control neurologic function. We present recent reports on bioelectric technologies that interface with the nervous system at three potential sites-(1) the end organ, (2) the peripheral nervous system, and (3) the central nervous system-while exploring practical and clinical considerations. A literature search was executed on PubMed, IEEE, and Web of Science databases. A review of the current literature was conducted to examine functional and histomorphological effects of neuroprosthetic interfaces with a focus on end-organ, peripheral, and central nervous system interfaces...
October 23, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29046996/predicting-complexity-of-tumor-removal-and-postoperative-outcome-in-patients-with-high-grade-gliomas
#11
LETTER
Laura Ganau, Gianfranco K I Ligarotti, Mario Ganau
No abstract text is available yet for this article.
October 18, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29039074/the-usefulness-of-stereo-electroencephalography-seeg-in-the-surgical-management-of-focal-epilepsy-associated-with-hidden-temporal-pole-encephalocele-a-case-report-and-literature-review
#12
João Paulo Sant Ana Santos de Souza, Jeff Mullin, Connor Wathen, Juan Bulacio, Patrick Chauvel, Lara Jehi, Jorge Gonzalez-Martinez
The authors report a case of 18-year-old woman with partial complex seizures compatible with temporal epilepsy by semiology. Due to medical refractoriness, she was referred to pre-surgical evaluation. Initially, MRI showed no significant structural abnormality and superficial scalp EEG demonstrated epileptiform activity in the frontotemporal areas. Due to the lack of clear MRI abnormalities and the potential involvement of dominant mesial temporal structures by seizure semiology and non-invasive data, extra-operative invasive evaluation using stereo-electroencephalography (SEEG) methodology was indicated...
October 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29032423/the-pathogenesis-shared-between-abdominal-aortic-aneurysms-and-intracranial-aneurysms-a-microarray-analysis
#13
Wen Wang, Hao Li, Zheng Zhao, Haoyuan Wang, Dong Zhang, Yan Zhang, Qing Lan, Jiangfei Wang, Yong Cao, Jizong Zhao
Abdominal aortic aneurysms (AAAs) and intracranial saccular aneurysms (IAs) are the most common types of aneurysms. This study was to investigate the common pathogenesis shared between these two kinds of aneurysms. We collected 12 IAs samples and 12 control arteries from the Beijing Tiantan Hospital and performed microarray analysis. In addition, we utilized the microarray datasets of IAs and AAAs from the Gene Expression Omnibus (GEO), in combination with our microarray results, to generate messenger RNA expression profiles for both AAAs and IAs in our study...
October 14, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29027018/accelerated-growth-of-hemangioblastoma-in-pregnancy-the-role-of-proangiogenic-factors-and-upregulation-of-hypoxia-inducible-factor-hif-in-a-non-oxygen-dependent-pathway
#14
REVIEW
Yosef Laviv, Joshua L Wang, Matthew P Anderson, Ekkehard M Kasper
Hemangioblastomas (HBs) are benign, highly vascular tumors, often characterized by loss of function of the von Hippel-Lindau (vHL) gene. They are the most common central nervous system tumor observed in vHL syndrome. Loss of function of the vHL gene creates a "pseudo-hypoxic" state, causing overactivation of hypoxia-inducible factor (HIF) and vascular endothelial growth factor (VEGF)-related pathways. In some cases, HBs can rapidly increase in size during pregnancy to then present acutely, which most frequently occurs after the 20th gestational week...
October 13, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28986666/primary-central-nervous-system-malignant-melanoma-with-leptomeningeal-melanomatosis-a-case-report-and-review-of-the-literature
#15
Kentaro Fujimori, Keiichi Sakai, Fumiko Higashiyama, Fusakazu Oya, Toshitaka Maejima, Tomomi Miyake
Leptomeningeal melanomatosis is an extremely rare variant of primary central nervous system (CNS) melanoma and has a poor prognosis and no standard treatment. Primary CNS melanoma is derived from the melanocytes of the leptomeninges. Here, we describe a case of a 37-year-old male who visited our hospital due to worsening headaches. Characteristic imaging findings of this tumor type include hyper-dense lesions that are enhanced by contrast medium on computed tomography and hyper-intensity on T1-weighted magnetic resonance images and iso- to hypo-intensity on T2-weighted magnetic resonance images...
October 6, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28983720/symptomatic-and-silent-cerebral-infarction-following-surgical-clipping-of-unruptured-intracranial-aneurysms-incidence-risk-factors-and-clinical-outcome
#16
Maogui Li, Jun Wu, Xin Chen, Pengjun Jiang, Fan Yang, Yonggang Ma, Zhengsong Li, Yong Cao, Shuo Wang
Cerebral infarction (CI) associated with clipping of unruptured intracranial aneurysms (UIAs) has not been completely studied. The role of individual and operative characteristics is not known, and the risk of silent CI has not been well described. To determine the incidence, risk factors, and clinical outcome of postoperative CI, we retrospectively analyzed 388 consecutive patients undergoing clipping of UIAs between January 2012 and December 2015. We reviewed the pre- and postoperative computed tomography (CT) images of each patient...
October 5, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28980149/hemorrhagic-presentation-of-intracranial-pilocytic-astrocytomas-literature-review
#17
REVIEW
G Lakshmi Prasad, B N Nandeesh, Girish R Menon
Pilocytic astrocytomas (PAs) are seemingly innocuous and benign tumors. However, in recent times, many case series have documented high rates of hemorrhage in these neoplasms. We hereby provide a detailed analysis on hemorrhagic pilocytic astrocytomas (HPA) in adults and report one such case managed at our institute. In addition, salient differences between adult and pediatric hemorrhagic PA have been briefed. Hospital records were retrieved for our case. Literature review was conducted by searching online databases for the following keywords-pilocytic astrocytoma, hemorrhage, cranial, pediatric, and adults...
October 4, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28956204/high-flow-bypass-with-radial-artery-graft-followed-by-internal-carotid-artery-ligation-for-large-or-giant-aneurysms-of-cavernous-or-cervical-portion-clinical-results-and-cognitive-performance
#18
Hideaki Ono, Tomohiro Inoue, Takeo Tanishima, Akira Tamura, Isamu Saito, Nobuhito Saito
High-flow bypass followed by ligation of the internal carotid artery (ICA) is an effective treatment, but the impact of abrupt occlusion of the ICA is unpredictable, especially on postoperative cognitive function. The present study evaluated the clinical results as well as cognitive performances after high-flow bypass using radial artery graft (RAG) with supportive superficial temporal artery (STA)-middle cerebral artery (MCA) bypass, followed by ICA ligation. Ten consecutive patients underwent high-flow bypass surgery for large or giant ICA aneurysms of cavernous or cervical portion...
September 27, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28956193/decompressive-craniectomy-for-intracerebral-haematoma-the-influence-of-additional-haematoma-evacuation
#19
Alexis Hadjiathanasiou, Patrick Schuss, Inja Ilic, Valeri Borger, Hartmut Vatter, Erdem Güresir
Intracerebral haemorrhage (ICH) may lead to intractable elevation of intracranial pressure (ICP), which may lead to decompressive craniectomy (DC). In this setting, surgical evacuation of ICH is controversially discussed. We therefore analysed radiological and clinical parameters to investigate the influence of additional haematoma evacuation to DC in patients with ICH. Forty-four patients suffering from spontaneous, hypertensive ICH between August 2007 and February 2016 underwent DC with and without ICH evacuation at the author's institution...
September 27, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28956184/reliable-diagnosis-of-idh-mutant-glioblastoma-by-2-hydroxyglutarate-detection-a-study-by-3-t-magnetic-resonance-spectroscopy
#20
Manabu Natsumeda, Kunio Motohashi, Hironaka Igarashi, Takanori Nozawa, Hideaki Abe, Yoshihiro Tsukamoto, Ryosuke Ogura, Masayasu Okada, Tsutomu Kobayashi, Hiroshi Aoki, Hitoshi Takahashi, Akiyoshi Kakita, Kouichirou Okamoto, Tsutomu Nakada, Yukihiko Fujii
We have previously reported that reliable detection of 2-hydroxyglutarate (2HG) in isocitrate dehydrogenase (IDH)-mutant WHO grade 2 and 3 gliomas is possible utilizing 3.0-T single-voxel magnetic resonance spectroscopy (SVMRS). We set out to determine whether the same method could be applied to detect 2HG in IDH-mutant glioblastoma. Forty-four patients harboring glioblastoma underwent pre-operative MRS evaluation to detect 2HG and other metabolites. Presence of IDH-mutations was determined by IDH1 R132H immunohistochemical analysis and DNA sequencing of surgically obtained tissues...
September 27, 2017: Neurosurgical Review
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