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Syringomyelia

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https://www.readbyqxmd.com/read/28291403/a-rat-model-of-chronic-syringomyelia-induced-by-epidural-compression-of-the-lumbar-spinal-cord
#1
Ji Yeoun Lee, Shin Won Kim, Saet Pyoul Kim, Hyeonjin Kim, Jung-Eun Cheon, Seung-Ki Kim, Sun Ha Paek, Dachling Pang, Kyu-Chang Wang
OBJECTIVE There has been no established animal model of syringomyelia associated with lumbosacral spinal lipoma. The research on the pathophysiology of syringomyelia has been focused on Chiari malformation, trauma, and inflammation. To understand the pathophysiology of syringomyelia associated with occult spinal dysraphism, a novel animal model of syringomyelia induced by chronic mechanical compression of the lumbar spinal cord was created. METHODS The model was made by epidural injection of highly concentrated paste-like kaolin solution through windows created by partial laminectomy of L-1 and L-5 vertebrae...
February 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28259858/posterior-fossa-decompression-in-chiari-i-improves-denervation-of-the-paraspinal-muscles
#2
Shifu Sha, Yang Li, Yong Qiu, Zhen Liu, Xu Sun, Weiguo Zhu, Zhenhua Feng, Tao Wu, Jian Jiang, Zezhang Zhu
OBJECTIVE: To investigate whether posterior fossa decompression (PFD) could improve denervation of the paraspinal muscles in patients with Chiari I malformation (CMI). BACKGROUND: Paraspinal muscle denervation is one of the essential elements in the pathophysiology of CMI/syringomyelia-related scoliosis. Although PFD has been widely used for managing CMI, whether denervation of the paraspinal muscles may benefit from this neurosurgical procedure remains ambiguous...
March 4, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28250632/treatment-of-idiopathic-syrinx-by-atlantoaxial-fixation-report-of-an-experience-with-nine-cases
#3
Abhidha Shah, Prashant Sathe, Manoj Patil, Atul Goel
OBJECTIVE: The authors evaluate the significance of atlantoaxial instability in the management of idiopathic syringomyelia. BACKGROUND: We recently observed that atlantoaxial dislocation can be present even when the atlantodental interval was within normal range. Atlantoaxial instability can be identified on the basis of facetal mal-alignment or even by direct observation of status of joint during surgery. Our observations are discussed in nine patients where we identified and treated atlantoaxial instability in cases that would otherwise be considered as having "idiopathic" syrinx...
January 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28217389/management-of-parturients-in-active-labor-with-arnold-chiari-malformation-tonsillar-herniation-and-syringomyelia
#4
Ramsis F Ghaly, Tatiana Tverdohleb, Kenneth D Candido, Nebojsa Nick Knezevic
BACKGROUND: Arnold-Chiari malformation Type 1 (ACM-1) in parturients is a topic of ongoing discussion between obstetricians and anesthesiologists. The primary unanswered question remains; How should the anesthesia provider proceed with labor analgesia and anesthesia for cesarean section when confronted with an advanced, asymptomatic, or minimally symptomatic case of ACM-1 during labor? CASE DESCRIPTION: A 24-year-old, ASA II, G1P0 full-term parturient presented to Labor and Delivery for vaginal delivery...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28122014/use-of-morphometric-mapping-to-characterise-symptomatic-chiari-like-malformation-secondary-syringomyelia-and-associated-brachycephaly-in-the-cavalier-king-charles-spaniel
#5
Susan P Knowler, Chloe Cross, Sandra Griffiths, Angus K McFadyen, Jelena Jovanovik, Anna Tauro, Zoha Kibar, Colin J Driver, Roberto M La Ragione, Clare Rusbridge
OBJECTIVES: To characterise the symptomatic phenotype of Chiari-like malformation (CM), secondary syringomyelia (SM) and brachycephaly in the Cavalier King Charles Spaniel using morphometric measurements on mid-sagittal Magnetic Resonance images (MRI) of the brain and craniocervical junction. METHODS: This retrospective study, based on a previous quantitative analysis in the Griffon Bruxellois (GB), used 24 measurements taken on 130 T1-weighted MRI of hindbrain and cervical region...
2017: PloS One
https://www.readbyqxmd.com/read/28121988/craniometric-analysis-of-the-hindbrain-and-craniocervical-junction-of-chihuahua-affenpinscher-and-cavalier-king-charles-spaniel-dogs-with-and-without-syringomyelia-secondary-to-chiari-like-malformation
#6
Susan P Knowler, Anna-Mariam Kiviranta, Angus K McFadyen, Tarja S Jokinen, Roberto M La Ragione, Clare Rusbridge
OBJECTIVES: To characterize and compare the phenotypic variables of the hindbrain and craniocervical junction associated with syringomyelia (SM) in the Chihuahua, Affenpinscher and Cavalier King Charles Spaniel (CKCS). METHOD: Analysis of 273 T1-weighted mid-sagittal DICOM sequences of the hindbrain and craniocervical junction from 99 Chihuahuas, 42 Affenpinschers and 132 CKCSs. The study compared 22 morphometric features (11 lines, eight angles and three ratios) of dogs with and without SM using refined techniques based on previous studies of the Griffon Bruxellois (GB) using Discriminant Function Analysis and ANOVA with post-hoc corrections...
2017: PloS One
https://www.readbyqxmd.com/read/28111181/charcot-shoulder-and-elbow-a-review-of-the-literature-and-update-on-treatment
#7
REVIEW
Mark C Snoddy, Donald H Lee, John E Kuhn
Charcot arthropathy of the shoulder and elbow is a rare disease process initially described in the 1700s; however, it was not until the 19th century that physicians understood its association with other disease processes such as cervical spine pathology and diabetes. A primary complaint is painful or painless joint dysfunction, meaning the orthopedic surgeon is regularly the first physician to evaluate the patient. Frequently, the condition of these patients is misdiagnosed. Although the pathogenesis of the disease is controversial, the etiology is commonly due to syringomyelia...
March 2017: Journal of Shoulder and Elbow 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
#8
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/28036062/an-unusual-case-of-post-traumatic-headache-complicated-by-intracranial-hypotension
#9
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/27993741/spinal-intradural-arachnoid-webs-causing-spinal-cord-compression-with-inconclusive-preoperative-imaging-a-report-of-3-cases-and-a-review-of-the-literature
#10
Dafang Zhang, Efstathios Papavassiliou
OBJECTIVE: Spinal arachnoid webs are a rare variant of spinal arachnoid cysts where 1 or multiple focal membranes of arachnoid tissue obstruct the subarachnoid space. Only 11 prior cases of arachnoid webs have been reported in the literature. We present a series of 3 consecutive cases of arachnoid webs from our institution and review the literature on this rare condition to provide recommendations for its management. METHODS: Retrospective chart review was performed for 3 consecutive cases of intradural arachnoid webs causing spinal cord compression at our institution, with inconclusive preoperative imaging, treatment with surgical decompression, and resection...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27982764/spinal-cord-hemangioblastomas-significance-of-intraoperative-neurophysiological-monitoring-for-resection-and-long-term-outcome
#11
Sebastian Siller, Andrea Szelényi, Lisa Herlitz, Joerg Christian Tonn, Stefan Zausinger
OBJECTIVE Spinal cord hemangioblastomas are rare benign tumors developing either sporadically or as part of von Hippel-Lindau (VHL) disease. Generally, resection is the treatment of choice. However, the significance of intraoperative neurophysiological monitoring (IONM) for resection and postoperative outcome is still controversial. The authors analyzed the surgical and clinical courses of patients who had undergone resection of spinal cord hemangioblastoma, with special attention to preoperative imaging, the use of IONM, and short- and long-term outcomes...
December 16, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27939111/update-on-the-pathophysiology-and-management-of-syringomyelia-unrelated-to-chiari-malformation
#12
J Giner, C Pérez López, B Hernández, Á Gómez de la Riva, A Isla, J M Roda
INTRODUCTION: Much has been published on syringomyelia related to Chiari malformation. In contrast, little is known about the condition when it is not associated with this malformation, but this presentation of syringomyelia constitutes a different entity and therefore requires specific management. We conducted a literature review to summarise the most accepted and widespread ideas about the pathophysiology, management and other aspects of syringomyelia unrelated to Chiari malformation...
December 8, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27928471/radiological-imaging-findings-of-scheuermann-disease
#13
Erkan Gokce, Murat Beyhan
AIM: To find accompanying anomalies of typical and atypical Scheuermann's disease (SD) is reported in the present study. METHODS: Study included 20 patients (16 men and 4 women) who had radiological imaging radiography, magnetic resonance imaging (MRI) and computed tomography, if available, due to back pain, curved back and low back pain in November 2011-February 2016 period. Patients were categorized into typical and atypical patterns based on the region involved...
November 28, 2016: World Journal of Radiology
https://www.readbyqxmd.com/read/27894943/acquired-chiari-malformation-and-syringomyelia-secondary-to-space-occupying-lesions-a-systematic-review
#14
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...
February 2017: World Neurosurgery
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
#15
Atul Goel, Prashant Sathe, Abhidha Shah
BACKGROUND: We discuss the rationale of surgical treatment of group B basilar invagination by atlantoaxial facet joint stabilization and segmental arthrodesis. METHODS: From January 2010 to April 2016, 63 patients with 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...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27858679/entire-syringomyelia-associated-with-chiari-ii-malformation-and-severe-scoliosis-and-hydrocephalus
#16
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...
2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27858382/dorsal-arachnoid-web-and-scalpel-sign-a-diagnostic-imaging-entity
#17
Leonardo Gilmone Ruschel, Guilherme José Agnoletto, Lucas Alves Aurich, Ronaldo Pereira Vosgerau
MATERIAL AND METHODS: A case of 60-year-old woman with idiopathic syringomyelia and progressive myelopathy by dorsal arachnoid web is discussed. One focal indentation along the dorsal surface of the spinal cord at the T3 vertebral body level revealed the scalpel sign, a radiologic entity diagnostic of a dorsal thoracic arachnoid web. RESULTS: T2-T3 laminectomy for the resection of dorsal arachnoid band was performed. Careful sectioning of the web resulted in visual apparent relief of the compression and good functional recovery...
October 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27846400/spinal-cordectomy-a-new-hope-for-morbid-spinal-conditions
#18
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/27843691/co-existing-spinal-intradural-ependymal-cyst-and-sacral-tarlov-cyst-in-adult-onset-tethered-cord-syndrome-with-syringomyelia-case-report-and-literature-review
#19
Hamid H Rai, Muhammad F Khan, Syed Ather Enam, Imtiaz Hashmi
BACKGROUND: Synchronous spinal intradural ependymal cysts and sacral Tarlov cysts in adult onset tethered cord syndrome are extremely rare. CASE DESCRIPTION: A 23-year-old male presented with back pain radiating into both lower extremities, accompanied by acute onset of gait difficulty and sphincter dysfunction. Magnetic resonance imaging identified a low lying conus medullaris, syringomyelia with septations extending from T12 to S1, a tethered cord, and a thickened filum terminale with a sacral Tarlov cyst...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27843685/delayed-hydrocephalus-associated-with-traumatic-atlanto-occipital-dislocation-case-report-and-literature-review
#20
Ashish Sharma, Ha Son Nguyen, Abhishiek Sharma, Andrew Lozen, Shekar Kurpad
BACKGROUND: Traumatic atlanto-occipital dislocation (AOD) is a rare but often fatal injury. Consequently, long-term data regarding surviving patients have been limited. In particular, the occurrence of hydrocephalus is not well-documented. CASE DESCRIPTION: A 33-year-old male sustained AOD as a consequence of a motor vehicle collision. Although he did well initially after an occipitocervical fusion, 1 month after his operation, he exhibited signs of increased intracranial pressure (bilateral abducens nerve palsies, worsening headaches, and fatigue)...
2016: Surgical Neurology International
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