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Stenosis spinal canal

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https://www.readbyqxmd.com/read/28811784/does-the-effectiveness-of-core-stability-exercises-correlate-with-the-severity-of-spinal-stenosis-in-patients-with-lumbar-spinal-stenosis
#1
Chaxiang Chen, Zhichao Lin, Yingjie Zhang, Zemin Chen, Shujie Tang
OBJECTIVE: To determine whether the effectiveness of core stability exercises correlates with the severity of spinal stenosis in patients with degenerative lumbar spinal stenosis. METHODS: Forty-two patients with degenerative lumbar spinal stenosis treated in the department of orthopedics of our hospital between May 2013 and January 2016 were included in the study. All the patients performed core stability exercises once daily for six weeks, and the clinical outcomes were evaluated using Japanese Orthopaedic Association (JOA) score and self-reported walking capacity...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28807778/cervical-cord-canal-mismatch-a-new-method-for-identifying-predisposition-to-spinal-cord-injury
#2
REVIEW
Aria Nouri, Julio Montejo, Xin Sun, Justin Virojanapa, Luis E Kolb, Khalid M Abbed, Joseph Cheng
The risk for spinal cord injuries (SCIs) ranging from devastating traumatic injuries, compression due to degenerative pathology, and neurapraxia is increased in patients with congenital spinal stenosis. Classical diagnostic criteria include an absolute anteroposterior diameter of <12-13mm or a Torg-Pavlov Ratio of <0.80-0.82; however, these factors do not take into account the size of the spinal cord, which varies across patients independent of canal size. Recent large MRI studies of population cohorts have allowed newer methods to emerge that account for both cord and canal size by measuring a spinal cord occupation ratio (SCOR)...
August 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28796075/muscle-gap-approach-under-a-minimally-invasive-channel-technique-for-treating-long-segmental-lumbar-spinal-stenosis-a-retrospective-study
#3
Yang Bin, Wang De Cheng, Wang Zong Wei, Li Hui
This study aimed to compare the efficacy of muscle gap approach under a minimally invasive channel surgical technique with the traditional median approach.In the Orthopedics Department of Traditional Chinese and Western Medicine Hospital, Tongzhou District, Beijing, 68 cases of lumbar spinal canal stenosis underwent surgery using the muscle gap approach under a minimally invasive channel technique and a median approach between September 2013 and February 2016. Both approaches adopted lumbar spinal canal decompression, intervertebral disk removal, cage implantation, and pedicle screw fixation...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28781916/nursing-review-section-of-surgical-neurology-international-part-2-lumbar-spinal-stenosis
#4
REVIEW
Nancy E Epstein, Renee D Hollingsworth
BACKGROUND: The lumbar spine includes 5 lumbar vertebral bodies, L1, L2, L3, L4, and L5. At each level, there is a disc space defined by the two bones (vertebral bodies) in the back; for example, there is a disc space at the L5-S1 level etc. The normal front to back (anterior to posterior or AP diameter) measurement of the spinal canal is typically 18-20 mm, but some patients have narrowing called spinal stenosis. METHODS: Lumbar stenosis is defined by two major types...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28756059/spinenet-automated-classification-and-evidence-visualization-in-spinal-mris
#5
Amir Jamaludin, Timor Kadir, Andrew Zisserman
The objective of this work is to automatically produce radiological gradings of spinal lumbar MRIs and also localize the predicted pathologies. We show that this can be achieved via a Convolutional Neural Network (CNN) framework that takes intervertebral disc volumes as inputs and is trained only on disc-specific class labels. Our contributions are: (i) a CNN architecture that predicts multiple gradings at once, and we propose variants of the architecture including using 3D convolutions; (ii) showing that this architecture can be trained using a multi-task loss function without requiring segmentation level annotation; and (iii) a localization method that clearly shows pathological regions in the disc volumes...
July 21, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28755918/indeterminate-dendritic-cell-tumor-in-thoracic-spine-a-case-report-and-review-of-literature
#6
Sze Kiat Tan, Lee Onn Chieng, Karthik Madhavan, Andrew Rosenberg, Ian Cote
Indeterminate dendritic cell tumor (IDCT) is an extremely rare hematological disorder with poorly understood pathogenesis. Occasionally encountered by hematologists, unusual presentations of IDCT have never been reported in the spine literature. The authors report a case of a 51-year-old man who presented with progressively worsening axial thoracic back pain radiating to his sides for three months. MRI revealed a large 3-cm enhancing mass at the T9 vertebral body with an exophytic component causing significant canal stenosis...
July 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28748488/association-between-paraspinal-muscle-morphology-clinical-symptoms-and-functional-status-in-patients-with-lumbar-spinal-stenosis
#7
Maryse Fortin, Àron Lazáry, Peter Paul Varga, Michele C Battié
PURPOSE: Lumbar spinal stenosis (LSS) is a disabling condition associated with narrowing of the spinal canal or vertebral foramina. Paraspinal muscle atrophy and fatty infiltration have been reported in patients with chronic LBP and disc herniation. However, very few imaging studies have examined paraspinal muscle morphology and composition in patients with LSS. The purpose of this study was to investigate the association of paraspinal muscle size, composition and asymmetry with functional status in patients with LSS...
July 26, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28747589/what-is-the-most-representative-parameter-for-describing-the-size-of-the-atlas-ct-morphometric-analysis-of-the-atlas-with-special-reference-to-atlas-hypoplasia
#8
Hitoshi Yamahata, Hirofumi Hirano, Satoshi Yamaguchi, Masanao Mori, Tadaaki Niiro, Hiroshi Tokimura, Kazunori Arita
The spinal canal diameter (SCD) is one of the most studied factors for the assessment of cervical spinal canal stenosis. The inner anteroposterior diameter (IAP), the SCD, and the cross-sectional area (CSA) of the atlas have been used for the evaluation of the size of the atlas in patients with atlas hypoplasia, a rare form of developmental spinal canal stenosis, however, there is little information on their relationship. The aim of this study was to identify the most useful parameter for depicting the size of the atlas...
July 27, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28746221/diagnosis-and-treatment-of-hidden-lesions-in-mild-cervical-spondylotic-myelopathy-patients-with-apparent-symptoms
#9
Yaning Sun, Kunlun Yu, Haonan Wang, Yong Shen, Lingde Kong, Jingtao Zhang
Patients with apparent symptoms of cervical spondylotic myelopathy (CSM) may only show a mild compressive lesion in ordinary magnetic resonance imaging (MRI). The aim of this study was to investigate the characteristics of CSM patients with "hidden" lesions on kinetic MRI and to determine an effective treatment.Thirty-one patients with obvious spinal cord compression only on kinetic MRI were included in our study. A variety of parameters were calculated from MRI of the cervical spine at different postures. The anterior cervical decompression and fusion (ACDF) procedure were used for treatment of CSM...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28726540/mechanisms-of-the-analgesic-effect-of-calcitonin-on-chronic-pain-by-alteration-of-receptor-or-channel-expression
#10
Akitoshi Ito, Megumu Yoshimura
The polypeptide hormone calcitonin is well known clinically for its ability to relieve osteoporotic back pain and neuropathic pain such as spinal canal stenosis, diabetic neuropathy, chemotherapy-induced neuropathy, and complex regional pain syndrome. Because the analgesic effects of calcitonin have a broad range, the underlying mechanisms of pain relief by calcitonin are largely unknown. However, recent studies using several types of chronic pain models combined with various methods have been gradually clarifying the mechanism...
January 2017: Molecular Pain
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
#11
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/28720994/early-migration-of-bone-graft-causing-sigmoid-colon-perforation-after-trans-foraminal-lumbar-interbody-fusion
#12
Bhavuk Garg, Amit Singla, Sahil Batra, Senthil Kumar
BACKGROUND: Tran foraminal lumbar interbody fusion (TLIF) is a well accepted and standard technique of achieving spinal fusion using pedicle screws, cage and bone graft. We are presenting here a case of L4-L5 lumbar canal stenosis managed with TLIF that presented with sigmoid colon perforation due to bone graft migration 4 days after surgery. CASE REPORT: A 35 years old female underwent open TLIF (from right side) with decompression for L4-L5 lumbar canal stenosis...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28717058/lumbosacral-transitional-vertebrae-cause-spinal-level-misconception-in-surgeries-for-degenerative-lumbar-spine-disorders
#13
Tomowaki Nakagawa, Ko Hashimoto, Takumi Tsubakino, Takeshi Hoshikawa, Takashi Inawashiro, Yasuhisa Tanaka
Human lumbar spine usually consists of five vertebrae; however, some individuals have vertebral anomalies with four or six lumbar vertebrae because of sacralized fifth lumbar vertebra (L5 sacralization) or lumbarized first sacral vertebra (S1 lumbarization), respectively. These vertebral anomalies are called lumbosacral transitional vertebra (LSTV). Although LSTV is an asymptomatic anomaly, it is known to cause misconception in spinal counts and in spinal level at lumbar spinal surgery. The purpose of this study is to evaluate how LSTV affects the diagnosis and surgeries in lumbar spine disorders...
July 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28709837/what-are-the-possibilities-of-spontaneous-resorption-of-a-thoracic-disc-herniation-occupying-more-than-20-of-the-spinal-canal-in-the-asymptomatic-subject-comparative-study
#14
David Brauge, Rachid Madkouri, Robert Clément, Vincent Reina, Thomas Brauge, Stephan Gaillard
Thoracic disc herniation is a rare pathology for which surgical treatment is difficult. The discovery of asymptomatic or only slightly symptomatic lesions can be problematic, especially in cases of marked canal stenosis. The possibility of spontaneous resorption has been documented by a few case reports but there is no study on this subject. Our objective was to compare the clinical and radiological data for two groups of patients with significant thoracic herniation (occupying more than 20% of the spinal canal): one showing spontaneous resorption (group 1) and the other persistence of the lesion during follow up (group 2)...
July 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28703331/high-resolution-diffusion-tensor-imaging-in-cervical-spondylotic-myelopathy-a-preliminary-follow-up-study
#15
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/28702785/changes-in-dural-sac-caliber-with-standing-mri-improve-correlation-with-symptoms-of-lumbar-spinal-stenosis
#16
Yvonne Yan On Lau, Ryan Ka Lok Lee, James Francis Griffith, Carol Lai Yee Chan, Sheung Wai Law, Kin On Kwok
PURPOSE: Weight bearing does alter the dimension of lumbar spinal canal, but no study has analyzed its clinical correlation. This study aims to evaluate whether the changes in dural sac cross-sectional area (DSCA) and sagittal anteroposterior (AP) diameter on standing magnetic resonance imaging (MRI) correlate better with clinical symptoms of lumbar spinal stenosis. METHODS: Seventy consecutive patients with neurogenic claudication were prospectively recruited to undergo a 0...
July 12, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28688062/giant-thoracic-discs-treatment-outcome-and-follow-up-of-33-patients-in-a-single-centre
#17
Saurabh Kapoor, Meriem Amarouche, Farah Al-Obeidi, Jean Marie U-King-Im, Nick Thomas, David Bell
PURPOSE: To help guide treatment strategies and create insight into functional outcomes in patients with Giant herniated thoracic discs (GHTD), which are defined as occupying more than 40% of spinal canal. METHODS: Authors did a retrospective analysis of prospective cohort of 33 cases of GHTD, using clinical letters, notes, and telephonic questionnaires to determine their pre and postoperative functional status, surgical details, and complication rates. 16 males and 17 females operated between 2006 and 2014 were included in the study...
July 7, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28684728/a-rare-case-of-sarcomatoid-carcinoma-of-the-lung-with-spine-metastasis-including-a-literature-review
#18
Hafiza Sobia Arshad, Rizwan Ahmed Dudekula, Masooma Niazi, Sandeep Malik, Misbahuddin Khaja
BACKGROUND Sarcomatoid carcinoma is a rare, aggressive, malignant cancer composed of sarcoma and sarcoma-like components, and can occur in different organs such as the thyroid gland, bone, skin, breast, pancreas, liver, urinary tract, and lung. Pulmonary sarcomatoid carcinoma accounts for only a small percentage of lung cancers and has histological variants that include pleomorphic carcinoma, giant cell carcinoma, spindle cell carcinoma, carcinosarcoma, and pulmonary blastoma. CASE REPORT Here, we present a case of sarcomatoid carcinoma in a 63-year-old HIV-positive Hispanic male who presented with back pain, dry cough, and weight loss...
July 7, 2017: American Journal of Case Reports
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
#19
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/28669725/mir-21-promotes-fibrosis-and-hypertrophy-of-ligamentum-flavum-in-lumbar-spinal-canal-stenosis-by-activating-il-6-expression
#20
Chao Sun, Jiwei Tian, Xinhui Liu, Guoping Guan
The molecular mechanism underlying the fibrosis of ligamentum flavum(LF) in patients with lumbar spinal canal stenosis(LSCS) remains unknown. MicroRNAs are reported to play important roles in regulating fibrosis in different organs. The present study aimed to identify fibrosis related miR-21 expression profile and investigate the pathological process of miR-21 in the fibrosis of LF hypertrophy and associated regulatory mechanisms. 15 patients with LSCS underwent surgical treatment were enrolled in this study...
August 26, 2017: Biochemical and Biophysical Research Communications
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