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Cervical spinal stenosis

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https://www.readbyqxmd.com/read/28721000/roentgenographic-and-computerized-tomography-based-morphometric-analysis-of-cervical-spinal-canal-diameters-to-establish-normative-measurements-in-an-indian-population
#1
Kapil A Pawar, Arya S Mishra, Gokul Bandagi, Sudhir K Srivastava
Compressive cervical myelopathy secondary to degenerative changes in the cervical spine is a common cause of neurologic morbidity in the elderly. Identification of canal stenosis and addressing it surgically in addition to the obvious compressive lesions is essential to obtain satisfactory results. We attempt to define the saggital and transverse diameters in a normal adult population presenting at our centre with head injuries. We found that the values were lower than those reported in comparable studies for a western population, and also that the dimensions in women are significantly lower than in men...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28703331/high-resolution-diffusion-tensor-imaging-in-cervical-spondylotic-myelopathy-a-preliminary-follow-up-study
#2
Li Guan, Xiaolong Chen, Yong Hai, Xiaodong Ma, Le He, Guangzhi Wang, Chun Yuan, Hua Guo
Diffusion imaging is a promising technique as it can provide microstructural tissue information and thus potentially show viable changes in spinal cord. However, the traditional single-shot imaging method is limited as a result of various image artifacts. In order to improve measurement accuracy, we used a newly developed, multi-shot, high-resolution, diffusion tensor imaging (DTI) method to investigate diffusion metric changes and compare them with T2 -weighted (T2W) images before and after decompressive surgery for cervical spondylotic myelopathy (CSM)...
July 13, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28690870/spinal-dural-arteriovenous-fistula-a-case-series-and-review-of-imaging-findings
#3
Shandy Fox, Luke Hnenny, Uzair Ahmed, Kotoo Meguro, Michael E Kelly
INTRODUCTION: Spinal dural arteriovenous fistulae (sdAVF) are rare lesions. Patients typically present with slowly progressive myelopathy that is often mistaken for degenerative cervical or lumbar stenosis. On spinal magnetic resonance imaging (MRI), multisegmental T2 hyperintensities along with associated flow voids are pathognomonic of sdAVF. However, diagnosis can be difficult. Definitive diagnosis and localization is achieved with complete spinal angiography. Treatment options include open surgical ligation, endovascular embolization or multimodality treatment...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28680730/spinal-cord-edema-with-contrast-enhancement-mimicking-intramedullary-tumor-in-patient-with-cervical-myelopathy-a-case-report-and-a-brief-literature-review
#4
Grigorios Gkasdaris, Danai Chourmouzi, Apostolos Karagiannidis, Stylianos Kapetanakis
BACKGROUND: Cervical myelopathy (CM) is a clinical diagnosis that may be associated with hyperintense areas on T2-weighted magnetic resonance imaging (MRI) scan. The use of contrast enhancement in such areas to differentiate between neoplastic and degenerative disease has rarely been described. CASE DESCRIPTION: We present a 41-year-old female with a 5-month course of progressive CM. The cervical MRI revealed spinal cord swelling, stenosis, and a hyperintense signal at the C5-C6 and C5-C7 levels...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28673829/lumbar-spine-surgery-in-patients-with-rheumatoid-arthritis-ra-what-affects-the-outcomes
#5
Shoji Seki, Norikazu Hirano, Isao Matsushita, Yoshiharu Kawaguchi, Masato Nakano, Taketoshi Yasuda, Hiraku Motomura, Kayo Suzuki, Yasuhito Yahara, Kenta Watanabe, Hiroto Makino, Tomoatsu Kimura
BACKGROUND CONTEXT: While the cervical spine is only occasionally involved in rheumatoid arthritis (RA), involvement of the lumbar spine is even less common. A few reports on lumbar spinal stenosis in patients with RA have appeared. Although disc space narrowing occurs in aging, postoperative ASD in RA patients has not been subject to much analysis. PURPOSE: To investigate differences in adjacent segment disease (ASD) and clinical outcomes between lumbar spinal decompression with and without fusion in patients with rheumatoid arthritis (RA)...
June 30, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28660110/assessing-foraminal-stenosis-in-the-cervical-spine-a-comparison-of-three-dimensional-computed-tomographic-surface-reconstruction-to-two-dimensional-modalities
#6
Adam Schell, John M Rhee, John Holbrook, Eric Lenehan, Kun Young Park
STUDY DESIGN: Retrospective radiographic study. OBJECTIVE: The optimal radiographic modality for assessing cervical foraminal stenosis is unclear. Determination on conventional axial cuts is made difficult due in part to the complex, oblique orientation of the cervical neuroforamen. The utility of 3-dimensonal (3D) computed tomography (CT) reconstruction in improving neuroforaminal assessment is not well understood. The objective of this study is to determine inter-rater variability in grading cervical foraminal stenosis using 3 different CT imaging modalities: 3D CT surface reconstructions (3DSR), 2D sagittal oblique multiplanar reformations (2D-SOMPR), and conventional 2D axial CT imaging...
May 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28658745/mri-study-on-spinal-canal-morphometry-an-indian-study
#7
Maitreyee Kar, Dipankar Bhaumik, Kaushik Ishore, Pallab Kumar Saha
INTRODUCTION: A large proportion of adults suffer from neck pain at some points of their life and show altered ranges of spinal canal morphometry in various studies. The differences in values are also seen due to genetic, hormonal and other factors too. Torg's ratio is a widely accepted measurement to eliminate such discrepancies. The measurement of Space Available for Cord (SAC) is also gaining importance as spinal stenosis is a contributor to neck pain. AIM: (1) To examine the cervical spinal canal and spinal cord morphometric determinants in symptomatic sub-Himalayan North Bengal population and to compare the obtained data with other populations; (2) To determine whether Torg's ratio vary with gender or not; (3) To determine SAC values in symptomatic individuals...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28619269/comparing-effects-of-cervical-anterior-approach-and-laminoplasty-in-surgical-management-of-cervical-ossification-of-posterior-longitudinal-ligament-by-a-prospective-nonrandomized-controlled-study
#8
Yang Hou, Lei Liang, Guodong Shi, Peng Xu, Guohua Xu, Jiangang Shi, Wen Yuan
INTRODUCTION: The laminoplasty has been the most widely used surgical method for OPLL. In recent years, increasing attention has been drawn to the anterior operative approaches for surgical treatment of cervical OPLL. However, which method is the optimum selection for therapy of cervical OPLL is still obscure. Therefore, we performed this prospective nonrandomized clinical studyin patients with multilevelcervical myelopathydue to OPLL and compare thetherapeutic efficiencyof laminoplastyand anterior approach (cervical discectomy and/or cervicalcorpectomy) in the management of multi-level cervical OPLL...
June 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28614284/cervical-spine-deformities-in-children-with-rhizomelic-chondrodysplasia-punctata
#9
Oussama Abousamra, Vinay Kandula, Angela L Duker, Kenneth J Rogers, Michael B Bober, William G Mackenzie
BACKGROUND: Cervical spine deformity in rhizomelic chondrodysplasia punctata (RCDP) has been described with different findings reported in the literature. However, available literature provides limited data from a few cases with magnetic resonance imaging (MRI) of the cervical spine. Our report describes the MRI findings in a group of children with RCDP, aiming to reach a better understanding of this pathology. METHODS: An Institutional Review Board-approved RCDP Registry was created at our institution with the goal of identifying pertinent medical issues over the lifespan of individuals with RCDP...
June 13, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28614282/clinical-outcomes-of-cervical-spinal-surgery-for-cervical-myelopathic-patients-with-coexisting-lumbar-spinal-canal-stenosis-tandem-spinal-stenosis-a-retrospective-analysis-of-297-cases
#10
Tsuyoshi Yamada, Toshitaka Yoshii, Naoki Yamamoto, Takashi Hirai, Hiroyuki Inose, Tsuyoshi Kato, Shigenori Kawabata, Atsushi Okawa
STUDY DESIGN: Retrospective observational study. OBJECTIVE: We evaluated the prevalence and clinical characteristics of tandem spinal stenosis (TSS) in patients with cervical myelopathy including ossification of the posterior longitudinal ligament of the cervical spine (C-OPLL). SUMMARY OF BACKGROUND DATA: Concurrent cervical and lumbar spinal canal stenosis is generally reported as TSS. Most previous studies have used magnetic resonance imaging to evaluate spinal stenosis in the cervical and lumbar spine...
June 13, 2017: Spine
https://www.readbyqxmd.com/read/28612191/comparison-of-inter-and-intra-observer-reliability-among-the-three-classification-systems-for-cervical-spinal-canal-stenosis
#11
Sangbong Ko, Wonkee Choi, Seungbum Chae
PURPOSE: The aim is to analyze the agreement between different types of physicians in terms of the inter-observer and intra-observer reliability in addition to the agreement between the experienced and non-experienced physicians with respect to three different classification systems for diagnosis of cervical spinal canal stenosis. METHODS: Total nine doctors including experienced group of three doctors and non-experienced group of six doctors classified the patients according to three different classification in an independent, blinded manner using magnetic resonance imaging (MRI) to diagnose cervical canal stenosis...
June 13, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28606250/-three-dimensional-finite-element-model-of-a-modified-posterior-cervical-single-open-door-laminoplasty
#12
Q Wang, Y Yang, Q Fei, D Li, J J Li, H Meng, N Su, Z H Fan, B Q Wang
Objective: To build a three-dimensional finite element models of a modified posterior cervical single open-door laminoplasty with short-segmental lateral mass screws fusion. Methods: The C(2)-C(7) segmental data were obtained from computed tomography (CT) scans of a male patient with cervical spondylotic myelopathy and spinal stenosis.Three-dimensional finite element models of a modified cervical single open-door laminoplasty (before and after surgery) were constructed by the combination of software package MIMICS, Geomagic and ABAQUS...
June 6, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28604489/risk-factors-and-prognosis-for-acute-progression-of-myelopathic-symptoms-in-patients-with-ossification-of-the-posterior-longitudinal-ligament-after-minor-trauma
#13
Jong-Myung Jung, Chun Kee Chung, Chi Heon Kim, Yunhee Choi
STUDY DESIGN: Retrospective Cohort study. OBJECTIVE: To identify the risk factors for acute progression of myelopathic symptoms (PMS) associated with ossification of the posterior longitudinal ligament (OPLL) after minor trauma and to compare the prognosis between an acute PMS group and a chronic PMS group. SUMMARY OF BACKGROUD DATA: Although the prevalence of OPLL among patients with cervical myelopathy is high, few studies have been published regarding the risk factors for acute PMS associated with OPLL after minor trauma...
June 9, 2017: Spine
https://www.readbyqxmd.com/read/28594515/cervical-spine-injuries-in-the-athlete
#14
Gregory D Schroeder, Alexander R Vaccaro
Cervical spine injuries are common and range from relatively minor injuries, such as cervical muscle strains, to severe, life-threatening cervical fractures with spinal cord injuries. Although cervical spine injuries are most common in athletes who participate in contact and collision sports, such as rugby and American football, they also have been reported in athletes who participate in noncontact sports, such as baseball, gymnastics, and diving. Cervical spine injuries in athletes are not necessarily the result of substantial spine trauma; some athletes have chronic conditions, such as congenital stenosis, that increase their risk for a serious cervical spine injury after even minor trauma...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28591038/indication-for-hypertrophy-posterior-longitudinal-ligament-removal-in-anterior-decompression-for-cervical-spondylotic-myelopathy
#15
Chengrui Bai, Kanghua Li, Ai Guo, Qi Fei, Dong Li, Jinjun Li, Bingqiang Wang, Yong Yang
The retrospective study aimed to investigate the indication for hypertrophy posterior longitudinal ligament (HPLL) removal in anterior decompression for cervical spondylotic myelopathy (CSM). A total of 138 consecutive patients with CSM were divided into 2 groups with developmental cervical stenosis (DCS) (group S) and non-DCS (group N), according to the Pavlov ratio. These 2 groups were subdivided into 2 further subgroups, according to whether HPLL was removed or preserved: group SR (49 patients) and group SP (32 patients) in group S, group NR (21 patients) and group NP (36 patients) in group N...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28583460/spinal-cord-compression-secondary-to-epidural-fibrosis-associated-with-percutaneously-placed-spinal-cord-stimulation-electrodes-case-report-and-review-of-the-literature
#16
Mazin Al Tamimi, Salah G Aoun, Wayne Gluf
Spinal cord stimulation is a safe method for treating chronic pain syndromes. Spinal cord stimulators can be placed either surgically by creating a laminectomy defect for paddle leads or percutaneously by inserting electrodes. They are usually not associated with major complications. There have been several reports of epidural fibrosis formation after paddle lead placement but only 1 case of excessive fibrosis following percutaneous lead placement. We describe the unique case of excessive cervical fibrosis formation with creation of tolerance phenomenon, clinically significant stenosis, cord compression, and myelopathy after percutaneous lead placement, which improved after surgical removal of the implant...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28574523/neuropathic-pain-treatment-provides-unexpected-benefit
#17
Adam D Keesling, Meg Wilson, Robert Wilkins
A 57-year-old African American woman was being treated at our clinic for neurogenic urinary incontinence (UI). The UI, which occurred day and night, began 2 years earlier following a laminectomy of vertebrae C3 to C6 with spinal fusion of C3 to C7 for cervical spinal stenosis. The UI persisted despite physical therapy and trials of oxybutynin and imipramine. Since the surgery, the patient had also been experiencing chronic (debilitating) neuropathic pain in both legs, and the sensation of incomplete bladder emptying...
June 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28559077/incidence-and-risk-factors-of-postoperative-adjacent-segment-degeneration-following-anterior-decompression-and-instrumented-fusion-for-degenerative-disorders-of-the-cervical-spine
#18
Hui Wang, Lei Ma, Dalong Yang, Sidong Yang, Wenyuan Ding
INTRODUCTION: The aim of this study was to explore the incidence and risk factors of postoperative adjacent segment degeneration following anterior decompression and instrumented fusion for degenerative disorders of the cervical spine, and hope to provide references in decision making and surgical planning for spinal surgeons. METHODS: By retrieving the medical records from January 2005 to September 2011, 283 patients were retrospectively reviewed. According to the occurrence of adjacent segment degeneration at follow up, patients were divided into two groups: ASD group and no ASD group...
May 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28540118/spinal-cord-injury-in-the-geriatric-population-risk-factors-treatment-options-and-long-term-management
#19
REVIEW
Tochukwu C Ikpeze, Addisu Mesfin
Spinal cord injuries (SCIs) are sustained by more than 12 500 patients per year in the United States and more globally. The SCIs disproportionately affect the elderly, especially men. Approximately 60% of these injuries are sustained traumatically through falls, but nontraumatic causes including infections, tumors, and medication-related epidural bleeding have also been documented. Preexisting conditions such as ankylosing spondylitis and diffuse idiopathic skeletal hyperostosis can render the spine stiff and are risk factors as well as cervical spondylosis and ensuing cervical stenosis...
June 2017: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/28533943/etiology-and-treatment-of-amyotrophic-lateral-sclerosis
#20
Hernando Rafael, Juan Oscar David, Antonio Santiago Vilca
BACKGROUND: To date all researchers conclude that the etiology of Amyotrophic lateral sclerosis (ALS) is not known. On the contrary, since August 2009, we believe that disease is of ischemic origin in the anterior surface of the medulla oblongata. MATERIAL AND METHOD: We present our surgical experience into 45 patients with ALS (bulbar form in 36 cases and spinal form in 9). Preoperative MRI scans revealed microinfarcts in the medulla oblongata and/or cervical cord...
2017: American Journal of Neurodegenerative Disease
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