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https://www.readbyqxmd.com/read/29223524/gamma-knife-stereotactic-radiosurgery-for-non-vestibular-cranial-nerve-schwannomas
#1
Anne-Marie Langlois, Christian Iorio-Morin, Laurence Masson-Côté, David Mathieu
BACKGROUND: Non-vestibular cranial schwannomas represent a rare type of benign intracranial tumor. Few studies have evaluated the use of stereotactic radiosurgery (SRS) as a primary management option for these lesions. We therefore performed a retrospective review of our institution's experience focussing on efficacy with regards to tumor control and clinical symptom stabilization, as well as treatment safety. METHODS: Patients were included if they underwent at least one SRS procedure for a non-vestibular schwannoma and had at least 6 months of available imaging follow-up...
December 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29223327/restoration-of-motor-function-after-operative-reconstruction-of-the-acutely-transected-spinal-cord-in-the-canine-model
#2
Zehan Liu, Shuai Ren, Kuang Fu, Qiong Wu, Jun Wu, Liting Hou, Hong Pan, Linlin Sun, Jian Zhang, Bingjian Wang, Qing Miao, Guiyin Sun, Vincenzo Bonicalzi, Sergio Canavero, Xiaoping Ren
BACKGROUND: Cephalosomatic anastomosis or what has been called a "head transplantation" requires full reconnection of the respective transected ends of the spinal cords. The GEMINI spinal cord fusion protocol has been developed for this reason. Here, we report the first randomized, controlled study of the GEMINI protocol in large animals. METHODS: We conducted a randomized, controlled study of a complete transection of the spinal cord at the level of T10 in dogs at Harbin Medical University, Harbin, China...
December 6, 2017: Surgery
https://www.readbyqxmd.com/read/29222838/results-of-a-systematic-literature-review-of-treatment-modalities-for-jugulotympanic-paraganglioma-stratified-per-fisch-class
#3
Thijs T G Jansen, Henri J L M Timmers, Henri A M Marres, Johannes H A M Kaanders, Henricus P M Kunst
OBJECTIVE: Key for successful jugulotympanic paraganglioma management is a personalized approach aiming for the best practice for each individual patient. To this end, a systematic review is performed, evaluating the local control- and complication rates for the different treatment modalities stratified by the broadly accepted Fisch classification. DESIGN: A systematic literature review according to the PRISMA statement was performed. A detailed overview of individual treatment outcomes per Fisch class is provided...
December 8, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29222560/masseteric-nerve-transfer-for-facial-nerve-paralysis-a-systematic-review-and-meta-analysis
#4
Alexander W Murphey, William B Clinkscales, Samuel L Oyer
Importance: A review of the role of masseteric nerve transfer is needed to guide its use in facial reanimation. Objective: To systematically review the available literature, and, when applicable, analyze the combined outcomes of masseteric nerve transfer to better define its role in reanimation and to guide further research. Data Sources: Two independent researchers conducted the review using PubMed-NCBI and Scopus literature databases for studies on masseteric nerve transfer for facial nerve paralysis...
December 7, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/29221687/leptomeningeal-carcinomatosis-in-colorectal-cancer-the-mayo-clinic-experience
#5
Gretchen Taylor, Nina Karlin, Thorvardur R Halfdanarson, Kyle Coppola, Axel Grothey
BACKGROUND: Leptomeningeal metastasis (LM) is an uncommon form of metastatic disease in many cancers. There remains a paucity of literature with regard to the course and management of LM in colorectal cancers (CRCs). The aim of this study was to estimate the incidence of LM in patients with CRC seen at our institution over a 15-year period, and to describe the clinical course and outcome of these cases. METHODS: LM in CRC primary cases between 2000 and 2014 were identified in the Mayo Clinic databases...
November 21, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29218708/three-dimensional-reconstruction-of-the-cranial-and-anterior-spinal-nerves-in-early-tadpoles-of-xenopus-laevis-pipidae-anura
#6
Benjamin Naumann, Lennart Olsson
Xenopus laevis is one of the most widely used model organism in neurobiology. It is therefore surprising, that no detailed and complete description of the cranial nerves exists for this species. Using classical histological sectioning in combination with fluorescent whole mount antibody staining and micro-computed tomography we prepared a detailed innervation map and a freely-rotatable 3D model of the cranial nerves and anterior-most spinal nerves of early X. laevis tadpoles. Our results confirm earlier descriptions of the pre-otic cranial nerves and present the first detailed description of the post-otic cranial nerves...
December 8, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29218128/neurobrucellosis-presenting-as-pseudotumor-cerebri-first-report-from-oman
#7
Padam P Sharma, Mangudi V Murali, Tahsin Hamdi
A ten-year-old boy presented to the hospital with body ache and joint pains for two months and headache, vomiting, and skin rash for three days. He was drowsy and lethargic at admission. Physical examination revealed bilateral papilledema. There were no cranial nerve involvement, neuromotor deficit, or signs of meningeal irritation. Computed tomography and magnetic resonance imaging of the brain did not reveal any evidence of cerebral edema or space occupying lesion. In view of the high endemicity of brucellosis in the area, Brucella agglutination test (BAT) was done at the time of admission and was negative...
November 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29217860/greater-palatine-nerve-neuropraxia-after-laryngeal-mask-insertion-a-rare-occurrence
#8
Jyoti Garg, Geoffrey Haw Chieh Liew, Shariq Ali Khan
With the more frequent use of the laryngeal mask airway (LMA) over endotracheal tubes for general anaesthesia, various cranial nerve injuries have been reported recently. We report a rare occurrence of greater palatine nerve (GPN) palsy subsequent to the use of LMA Supreme™ in a young female scheduled for hand surgery. Although the exact mechanism of a nerve injury is still a matter of further research, we postulate pressure neuropraxia of GPN as a causative factor in the development of numbness over the hard palate after the removal of LMA in the post operative period...
November 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29217407/can-we-predict-intermediate-syndrome-a-review
#9
REVIEW
Chanika Alahakoon, Tharaka Lagath Dassanayake, Indika Bandara Gawarammana, Vajira Senaka Weerasinghe
INTRODUCTION: Ingestion of organophosphorus insecticides (OPI) is a common method of deliberate self harm in the developing world. Deaths mainly follow as a result of the respiratory failure associated with both cholinergic crisis and the intermediate syndrome. Even though death can be prevented by early mechanical ventilation of these patients, limited studies are available regarding the prediction of intermediate syndrome and subsequent respiratory failure. OBJECTIVE: To systematically review articles that are published with regard to possible prediction of intermediate syndrome using clinical, biochemical and electrophysiological parameters...
December 4, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/29216380/recent-advances-in-intradural-spinal-tumors
#10
Muhammad M Abd-El-Barr, Kevin T Huang, Ziev B Moses, J Bryan Iorgulescu, John H Chi
Intradural spinal tumors are rare tumors of the central nervous system. Due to the eloquence of the spinal cord and its tracts, compact architecture of the cord and nerves and the infiltrative nature of some of these tumors, surgical resection is difficult to achieve without causing neurological deficits. Likewise, chemotherapy and radiotherapy are utilized more cautiously in the treatment of intradural spinal tumors than their cranial counterparts. Targeted therapies aimed at the genetic alterations and molecular biology tailored to these tumors would be helpful, but are lacking...
December 5, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29213030/acute-bilateral-ophthalmoplegia-due-to-vertebrobasilar-dolichoectasia-a-report-of-two-cases
#11
Haifa Alabri, Whitfield D Lewis, Sunil Manjila, Ayham M Alkhachroum, Michael A De Georgia
BACKGROUND Vertebrobasilar dolichoectasia (VBD) is a complex progressive arterial disease characterized by dilation, elongation, and tortuosity of the vertebral and basilar arteries, and may be congenital or acquired. VBD may lead to progressive compression of the brainstem, cranial nerve abnormalities, and intracranial hemorrhage, but may also be associated with arterial thrombosis, with ischemic stroke as the most common clinical outcome. CASE REPORT Two cases of VBD are presented, both with acute bilateral ophthalmoplegia and cranial nerve palsies, and vertebrobasilar arterial thrombosis that resulted in ischemic stroke...
December 7, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29205455/the-middle-and-inner-ears-of-the-palaeogene-golden-mole-namachloris-a-comparison-with-extant-species
#12
Matthew J Mason, Nigel C Bennett, Martin Pickford
Many living species of golden moles (Chrysochloridae) have greatly enlarged middle ear ossicles, believed to be used in the detection of ground vibrations through inertial bone conduction. Other unusual features of chrysochlorids include internally coupled middle ear cavities and the loss of the tensor tympani muscle. Our understanding of the evolutionary history of these characteristics has been limited by the paucity of fossil evidence. In this article, we describe for the first time the exquisitely preserved middle and inner ears of Namachloris arenatans from the Palaeogene of Namibia, visualised using computed tomography, as well as ossicles attributed to this species...
December 4, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/29204579/ocular-cranial-nerve-palsies-secondary-to-sphenoid-sinusitis
#13
Aiman El Mograbi, Ethan Soudry
Objective: The clinical presentation of sphenoid sinusitis can be highly variable. Rarely, sphenoid sinusitis may present with cranial nerve complications due to the proximity of these structures to the sphenoid sinus. Method: A case series from Rabin Medical Center and all cases of cranial nerves palsies secondary to sphenoid sinusitis that have been reported in the literature were reviewed. Results: Seventeen patients were identified. The abducent nerve was the most common cranial nerve affected (76%), followed by the oculomotor nerve (18%)...
March 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29204309/laser-application-in-neurosurgery
#14
REVIEW
Evgenii Belykh, Kaan Yagmurlu, Nikolay L Martirosyan, Ting Lei, Mohammadhassan Izadyyazdanabadi, Kashif M Malik, Vadim A Byvaltsev, Peter Nakaji, Mark C Preul
Background: Technological innovations based on light amplification created by stimulated emission of radiation (LASER) have been used extensively in the field of neurosurgery. Methods: We reviewed the medical literature to identify current laser-based technological applications for surgical, diagnostic, and therapeutic uses in neurosurgery. Results: Surgical applications of laser technology reported in the literature include percutaneous laser ablation of brain tissue, the use of surgical lasers in open and endoscopic cranial surgeries, laser-assisted microanastomosis, and photodynamic therapy for brain tumors...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29204306/facial-palsy-after-embolization-of-dural-arteriovenous-fistula-a-case-report-and-literature-review
#15
Luana Antunes Maranha Gatto, Fernando Saurin, Gelson Luis Koppe, Zeferino Demartini
Background: Dural arteriovenous fistulas (DAVF) are unusual intracranial vascular malformations consisting of anomalous connections between meningeal arteries and dural sinuses or the veins that pass through them. They have variable clinical presentation and prognosis, which depend on their location and venous hemodynamics. Treatment is based on the closure of the abnormal connections, which is usually conducted via arterial and/or transvenous endovascular techniques. Case Description: We present a male patient who complained of headaches and left-sided pulsatile tinnitus due to DAVF from the external carotid artery branches draining directly into the ipsilateral sigmoid sinus...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29204301/human-infection-with-fusobacterium-necrophorum-without-jugular-venous-thrombosis-a-varied-presentation-of-lemierre-s-syndrome
#16
Muhammad Asim Rana, Yashwant Kumar, Abdullah Ali Lashari, Ahmed F Mady
Lemierre's syndrome is also known as postangina septicemia, which is commonly caused by Fusobacterium necrophorum also known as Necrobacillus and also by other microorganisms like Staphylococcus, Streptococcus, Peptostreptococcus, and Bacteroides. Though the disease starts as an upper respiratory tract infection, it may spread and cause thrombophlebitis of the internal jugular vein. It may present itself through cranial nerve palsy or sepsis involving distant organs like the lungs or bones. It is also known as forgotten disease because of its rarity...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/29196362/a-68-year-old-with-cranial-nerve-neuropathies-and-a-troponin-rise
#17
Luke Bennett, Javed Iqbal
In this case study, we summarise the inpatient investigations and management of a 68-year-old woman with Takotsubo cardiomyopathy secondary to a Varicella zoster encephalitis and the difficulties inherent with making this diagnosis. She presented with evolving cranial nerve neuropathies, which started with a vagal nerve mononeuritis and eventually included left-sided sensorineural hearing loss and a facial nerve palsy. These symptoms were concomitant with a variety of cardiac abnormalities, including fast atrial fibrillation and electrocardiographic changes...
December 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/29192644/automated-centrifugal-therapeutic-plasma-exchange-option-for-guillain-barre-syndrome-a-report-from-calabar-nigeria
#18
O E Iheanacho, C Chimeziem, B S Sachais, P A Shi
Therapeutic plasma exchange (TPE) is performed frequently and effectively in developed countries, whereas the reverse is the case in developing countries. Guillain-Barre syndrome (GBS), synonymous with acute inflammatory demyelinating polyneuropathy, is an important indication for TPE, but this is rarely administered in the treatment of such patients in Nigeria due to lack of such automated facility, limited expertise, and high cost. This report therefore presents an uncommon case of GBS in which automated TPE was utilized in the management, with the aims of highlighting the current status and challenges of therapeutic apheresis services in Nigeria...
October 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29192065/peripheral-nerve-function-estimation-by-linear-model-of-multi-cmap-responses-for-surgical-intervention-in-acoustic-neuroma-surgery
#19
Dilok Puanhvuan, Sorayouth Chumnanvej, Yodchanan Wongsawat
Nerve function assessments are crucial for surgical intervention during acoustic neuroma surgery. Cranial nerves such as acoustic and facial nerves, can be possibly damaged during tumor dissection. Proper surgical intervention should prevent neurological deficit and achieve total tumor removal. Conventionally, nerve function is qualitatively evaluated by surgeon and neurologist. Facial nerves can be preserved by monitoring the compound muscle action potential (CMAP) response. The differences in the amplitude and latency of CMAP are used as indicators during surgical interventions...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29191541/subtemporal-interdural-surgical-approach-for-giant-facial-nerve-neurinomas
#20
Atul Goel, Shashi Ranjan, Abhidha Shah, Survendra Rai, Sandeep Gore, Pralhad Dharurkar
OBJECTIVE: The management issues of 15 cases of giant and dumbbell shaped facial neurinomas that extended both in the middle and in the posterior cranial fossa is reported. MATERIAL AND METHODS: During the period 2002 to June 2017, 15 cases of giant and dumbbell shaped facial neurinomas were surgically treated. There were 10 males and 5 females and their ages ranged from 17 to 59 years (average 34.2 years). Average duration of facial nerve weakness prior to seeking surgical relief was 49...
November 27, 2017: World Neurosurgery
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