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https://www.readbyqxmd.com/read/28181025/surgical-management-of-chiari-i-malformation-based-on-different-cerebrospinal-fluid-flow-patterns-at-the-cranial-vertebral-junction
#1
Tao Fan, HaiJun Zhao, XinGang Zhao, Cong Liang, YinQian Wang, QiFei Gai
Chiari I malformation has been shown to present different cerebrospinal fluid (CSF) flow patterns at the cranial-vertebral junction (CVJ). Posterior fossa decompression is the first-line treatment for symptomatic Chiari I malformation. However, there is still controversy on the indication and selection of decompression procedures. This research aims to investigate the clinical indications, outcomes, and complications of the decompression procedures as alternative treatments for Chiari I malformation, based on the different CSF flow patterns at the cranial-vertebral junction...
February 9, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28164059/neuropathic-knee-joint-a-complication-of-syrinx-following-spinal-anesthesia-a-rare-case-report-and-review-of-literature
#2
S Swaroop Chandra, J K Giriraj Harshavardhan, Ganesan G Ram, P V Vijayaraghavan
INTRODUCTION: Neurological complications due to spinal anesthesia are dysesthesia, paresthesia, cauda equina syndrome, and neuropathic joint. However, neurological complications are rare. We report a case of neuropathic joint of knee as a complication of syrinx following postspinal anesthesia. CASE REPORT: A 33-year-old female came with complaints of pain and instability of her left knee and left foot drop. She had developed weakness of her left lower limb following her cesarean section surgery done under spinal anesthesia...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28134637/experiences-in-performing-posterior-calvarial-distraction
#3
Kevin McMillan, Mark Lloyd, Martin Evans, Nicholas White, Hiroshi Nishikawa, Desiderio Rodrigues, Melanie Sharp, Pete Noons, Guirish Solanki, Stephen Dover
The use of posterior calvarial distraction (PCD) for the management of craniosynostosis is well recognized. The advantages of using this technique include increased cranial volume, decreased intracranial pressure, relief of posterior fossa crowding, improved cerebrospinal fluid (CSF) circulation at the cranio-cervical junction with cessation, and possible resolution of syrinx.The authors retrospectively review their first 50 patients who have undergone PCD under the senior author's care in our unit.The demographics, diagnoses, intraoperative approach with techniques in distractor placement and outcomes of each patient were obtained through an electronic craniofacial database and written patient records...
January 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28097251/management-of-progressive-late-onset-scoliosis-with-magnetic-growth-rod-insertion-leading-to-improvement-of-neural-anomalies-a-case-report
#4
Amit Zaveri, Valerio Pace, Dimpu Bhagawati, Vijay Rajamani, Thillainayagam Muthukumar, Hilali Noordeen
BACKGROUND: To present the first known reported case of late onset idiopathic scoliosis with concomitant neural anomalies, treated with sequential distraction using magnetic growth rod, had significant improvement in both cranio-cervical and intraspinal anomaly. METHODS: A caucasian, growing female child (at the age of ten) presented with moderately progressive late onset right thoracic scoliosis. She was found to have Chiari type I malformation and a cervicothoracic syrinx on routine pre-operative MRI scanning...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28094426/the-role-of-cine-flow-magnetic-resonance-imaging-in-patients-with-chiari-0-malformation
#5
Kerem Mazhar Ozsoy, Kadir Oktay, Nuri Eralp Cetinalp, Yurdal Gezercan, Tahsin Erman
AIM: The aim of this study was to define the role of phase-contrast cine magnetic resonance imaging in deciding the therapeutic strategy and underlying pathophysiology resulting in syrinx formation in patients with Chiari type 0 malformation. MATERIAL AND METHODS: Seven patients admitted to our clinic with diagnosis of Chiari 0 malformations during the period January 2005 to July 2016 were enrolled in the study. All patients underwent a detailed preoperative neurological examination...
December 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28036062/an-unusual-case-of-post-traumatic-headache-complicated-by-intracranial-hypotension
#6
Sara Siavoshi, Carrie Dougherty, Jessica Ailani, Kaustubh Yadwadkar, Frank Berkowitz
We present a case of post-traumatic headache complicated by intracranial hypotension resulting in an acquired Chiari malformation and myelopathy with syringomyelia. This constellation of findings suggest a possible series of events that started with a traumatic cerebral spinal fluid (CSF) leak, followed by descent of the cerebellar tonsils and disruption of CSF circulation that caused spinal cord swelling and syrinx. This unusual presentation of post-traumatic headache highlights the varying presentations and the potential sequelae of intracranial hypotension...
December 29, 2016: Brain Sciences
https://www.readbyqxmd.com/read/27921214/external-validity-of-the-chiari-severity-index-and-outcomes-among-pediatric-chiari-i-patients-treated-with-intra-or-extra-dural-decompression
#7
Jared M Pisapia, Maxwell B Merkow, Danielle Brewington, Rosemary E Henn, Leslie N Sutton, Phillip B Storm, Gregory G Heuer
INTRODUCTION: Chiari malformation type-1 (CM-1) may be treated by intradural (ID) or extradural (ED) posterior fossa decompression, although the optimal approach is debated. The Chiari Severity Index (CSI) is a pre-operative metric to predict patient-defined improvement after CM-1 surgery. In this study, we evaluate the results of ID versus ED decompression and assess the external validity of the CSI. METHODS: We performed a retrospective cohort study of pediatric CM-1 patients undergoing decompression at a single academic children's hospital...
December 5, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27894943/acquired-chiari-malformation-and-syringomyelia-secondary-to-space-occupying-lesions-a-systematic-review
#8
REVIEW
Justin Wang, Naif M Alotaibi, Nardin Samuel, George M Ibrahim, Aria Fallah, Michael D Cusimano
BACKGROUND: Acquired Chiari malformations (ACM) and associated syringomyelia secondary to space-occupying lesions can cause neurologic deficits independent of or in combination with the offending mass. Although type I Chiari malformations are traditionally treated with posterior fossa decompression, optimal surgical management of ACM and associated syringomyelia remains unclear. The purpose of this study is to review the current literature surrounding the management of ACM. METHODS: A systematic review was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
November 25, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27891025/external-syrinx-introduction-of-a-new-term
#9
EDITORIAL
Atul Goel
No abstract text is available yet for this article.
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890751/atlantoaxial-fixation-for-basilar-invagination-without-obvious-atlantoaxial-instability-group-b-basilar-invagination-outcome-analysis-of-63-surgically-treated-cases
#10
Atul Goel, Prashant Sathe, Abhidha Shah
BACKGROUND: The authors discuss the rationale of surgical treatment of Group B basilar invagination by atlantoaxial facet joint stabilization and segmental arthrodesis. MATERIAL: During the period January 2010 to April 2016, 63 patients having Group B basilar invagination were surgically treated. All patients had varying degree of myelopathy related functional disability. Fifty-two patients had both Chiari malformation and syringomyelia. All patients were treated by atlantoaxial plate and screw fixation with the techniques described by us in 1994 and 2004...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27858679/entire-syringomyelia-associated-with-chiari-ii-malformation-and-severe-scoliosis-and-hydrocephalus
#11
Jie Liang, Weifei Wu, Neng Ru, Jianfeng Chen
BACKGROUND: The syrinx can occur in any region of the spinal cord and is common in cervical and/or thoracic region, and distributing along spinal cord is unusual, especially association with Chiari II malformation and scoliosis. OBJECTIVE: To report a first case of entire syringomyelia associated with Chiari II malformation and severe scoliosis and hydrocephalus. CASE PRESENTATION: The patient began to experience symptoms of bilateral hand weakness in adulthood...
November 18, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27852812/a-retrospective-study-of-the-prevalence-of-calcium-oxalate-crystals-in-veterinary-aspergillus-cases
#12
Courtney L Payne, Michael J Dark, Julia A Conway, Lisa L Farina
Fungi in the genus Aspergillus are some of the most common fungal pathogens in veterinary species, primarily affecting the respiratory tract. In both human and veterinary cases, calcium oxalate crystals have been documented in sites of Aspergillus infection. Cases in multiple species (16 birds, 15 horses, 5 dogs, 1 ox, and 1 dolphin) were identified that had either positive cultures for Aspergillus sp., or had conidiophores present that could be identified as belonging to the genus Aspergillus. Histologic slides were examined to confirm the presence of oxalate crystals and how often they were identified on the original report...
January 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/27852738/contributions-of-rapid-neuromuscular-transmission-to-the-fine-control-of-acoustic-parameters-of-birdsong
#13
Caitlin Mencio, Balagurunathan Kuberan, Franz Goller
Neural control of complex vocal behaviors, such as birdsong and speech, requires integration of biomechanical nonlinearities through muscular output. Although control of airflow and tension of vibrating tissues are known functions of vocal muscles, it remains unclear how specific muscle characteristics contribute to specific acoustic parameters. To address this gap, we removed heparan sulfate chains using heparitinases to subtly perturb neuromuscular transmission in the syrinx of adult male zebra finches (Taeniopygia guttata)...
November 16, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27846400/spinal-cordectomy-a-new-hope-for-morbid-spinal-conditions
#14
REVIEW
Subhas K Konar, Tanmoy K Maiti, Shyamal C Bir, Anil Nanda
A spinal cordectomy is a treatment option for several disorders of the spinal cord like post-traumatic syringomyelia, spinal cord tumor and myelomeningocele. We have done a systematic analysis of all reported cases of spinal cordectomy to investigate the possible outcomes and complications. A PubMed search was performed for literature published from 1949 to 2015 with search words "spinal cordectomy", "spinal cord transection" and "cordectomy for malignant spinal cord tumors" to select articles containing information about the indication, outcome and complication of spinal cordectomy performed for diverse etiologies...
January 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27843681/successful-surgical-strategy-for-a-cervical-hemangioblastoma-case-report
#15
Hideaki Imai, Kazuhiko Ishii, Hirotaka Chikuda, Junichi Ohya, Daichi Nakagawa, Tomomasa Kondo, Seiji Nomura, Masanori Yoshino, Satoru Miyawaki, Taichi Kin, Hirofumi Nakatomi, Nobuhito Saito
BACKGROUND: Hemangioblastomas are hypervascular lesions and hence their surgical management is challenging. In particular, if complete resection is to be attained, all feeding and draining vessels must be occluded. Although most intramedullary spinal cord tumors are treated utilizing a posterior approach, we describe an anterior surgical strategy for resection of an intramedullary cervical hemangioblastoma. CASE DESCRIPTION: A 36-year-old female with a spinal hemangioblastoma located in the anterior cervical spinal cord presented with a long-standing history of motor weakness of the right upper extremity...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27822765/syringomyelia-caused-by-an-arachnoid-web-in-a-patient-with-shunted-dandy-walker-malformation
#16
Hee Chang Lee, Jung Won Choi, Ji Yeoun Lee, Ji Hoon Phi, Seung-Ki Kim, Byung-Kyu Cho, Kyu-Chang Wang
INTRODUCTION: Dandy-Walker malformation (DWM) is a congenital brain anomaly characterized by dysgenesis of the cerebellar vermis and the presence of a posterior fossa cyst. The association of syringomyelia with DWM is extremely rare. CASE REPORT: A 10-year-old patient who was diagnosed with DWM in infancy presented with progressive scoliosis and fecal incontinence. He had been treated with cystoventriculoperitoneal shunting with a Y-connection during infancy, which was followed by a revision 6 years later...
November 7, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27777155/shunting-of-syringomyelic-cavities-by-using-a-myringotomy-tube-technical-note-and-long-term-results
#17
Dorota Tassigny, Basel Abu-Serieh, Daniella Tsague Fofe, Jacques Born, Germain Milbouw
BACKGROUND AND IMPORTANCE: Syringomyelia is a progressive cerebrospinal fluid disorder which can lead to irreversible spinal cord injury. To date, the optimal management of syringomyelic cavities remains controversial. Multiple studies have emphasized the importance of the cranio-cervical decompression or shunting procedures. However, excepted for syrinx related to Arnold Chiari malformation, nearly half of patients need to be re-operated. The purpose of the present study was to describe a simple and efficient surgical technique and to report the long-term radio-clinical outcomes...
October 21, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27771111/ziconotide-intrathecal-delivery-as-treatment-for-secondary-therapeutic-failure-of-motor-cortex-stimulation-after-6%C3%A2-years
#18
J Voirin, I Darie, D Fischer, A Simon, I Rohmer-Heitz, F Proust
INTRODUCTION: Motor cortex stimulation is a well-known treatment modality for refractory neuropathic pain. Nevertheless, some cases of therapeutic failure have been described but alternative therapies for these cases are rarely reported. CASE REPORT: The patient presented with neuropathic pain in his right arm due to a cervical syrinx which was surgically treated by a shunt in 2003 with no clinical improvement. As alternative therapy, after an evaluation by repetitive magnetic transcranial stimulation with significant benefit, motor cortex stimulation was successfully implanted in 2004...
October 2016: Neuro-Chirurgie
https://www.readbyqxmd.com/read/27757566/tectal-glioma-presenting-with-clinical-triad-of-obesity-amenorrhea-and-central-cord-syndrome-with-radiological-pentad-of-hydrocephalus-empty-sella-suprapineal-diverticula-chiari-and-syrinx
#19
Sivashanmugam Dhandapani, Madhivanan Karthigeyan, Sushanta K Sahoo, Vivek Gupta
BACKGROUND: Tectal gliomas (TG) are slow-growing tumors and generally present with features of increased intracranial pressure. CASE DESCRIPTION: We describe an unusual case of a young girl who presented with clinical triad of obesity, primary amenorrhea and central cord syndrome. The radiology unveiled a pentad of hydrocephalus, empty sella, suprapineal recess diverticulum, secondary Chiari malformation and cervical syringomyelia, masking a relatively obscure tectal plate glioma...
October 18, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27736311/spinal-cord-transcriptomic-and-metabolomic-analysis-after-excitotoxic-injection-injury-model-of-syringomyelia
#20
Ashley E Mohrman, Mahmoud Farrag, He Huang, Stephan Ossowski, Stephanie Haft, Leah P Shriver, Nic D Leipzig
Syringomyelia is a condition of the spinal cord in which a syrinx, or fluid-filled cavity, forms from trauma, malformation, or general disorder. Previous work has shown that in noncanalicular syringomyelia irregular flow and pressure conditions enhance the volumetric growth of syrinxes. A better understanding of the underlying molecular pathways associated with syrinx formation will unveil targets for treatments and possibly prevention of syringomyelia in the future. In this study, we performed an established surgical induction of a syrinx using quisqualic acid and kaolin injections in rats to characterize the injury at the molecular level by RNA sequencing and metabolomics techniques at three and six weeks post-injury...
February 2017: Journal of Neurotrauma
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