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Mri of the spine

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https://www.readbyqxmd.com/read/28534125/salivary-glands-abnormalities-in-oculo-auriculo-vertebral-spectrum
#1
Davide Brotto, Renzo Manara, Stefania Vio, Sara Ghiselli, Elena Cantone, Rodica Mardari, Irene Toldo, Valentina Stritoni, Alessandro Castiglione, Elisa Lovo, Patrizia Trevisi, Roberto Bovo, Alessandro Martini
BACKGROUND: Feeding and swallowing impairment are present in up to 80% of oculo-auriculo-vertebral spectrum (OAVS) patients. Salivary gland abnormalities have been reported in OAVS patients but their rate, features, and relationship with phenotype severity have yet to be defined. MATERIAL AND METHODS: Parotid and submandibular salivary gland hypo/aplasia was evaluated on head MRI of 25 OAVS patients (16 with severe phenotype, Goldenhar syndrome) and 11 controls...
May 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28533989/iatrogenic-spinal-subdural-extra-arachnoid-hygroma-following-uncomplicated-lumbar-decompression
#2
Benjamin D Elder, Wataru Ishida, Rory C Goodwin, Ali Bydon
Intradural spinal arachnoid cysts (ISACs) have been reported in the current literature as either an idiopathic disease or exceedingly rare sequelae after lumbar puncture, spinal trauma, or meningitis. Other studies have more appropriately termed the iatrogenic pathology as a spinal subdural extra-arachnoid hygroma (SSEH), as there is not often a clear cyst wall as in a true arachnoid cyst. However, to the best of our knowledge, none of the previous studies described an SSEH following uncomplicated posterior lumbar surgery, as they have previously involved clear durotomies during the initial operation...
April 17, 2017: Curēus
https://www.readbyqxmd.com/read/28533943/etiology-and-treatment-of-amyotrophic-lateral-sclerosis
#3
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
https://www.readbyqxmd.com/read/28532491/evaluation-of-an-automated-thresholding-algorithm-for-the-quantification-of-paraspinal-muscle-composition-from-mri-images
#4
Maryse Fortin, Mona Omidyeganeh, Michele Crites Battié, Omair Ahmad, Hassan Rivaz
BACKGROUND: The imaging assessment of paraspinal muscle morphology and fatty infiltration has gained considerable attention in the past decades, with reports suggesting an association between muscle degenerative changes and low back pain (LBP). To date, qualitative and quantitative approaches have been used to assess paraspinal muscle composition. Though highly reliable, manual thresholding techniques are time consuming and not always feasible in a clinical setting. The tedious and rater-dependent nature of such manual thresholding techniques provides the impetus for the development of automated or semi-automated segmentation methods...
May 22, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28529681/imaging-spectrum-of-spinal-dysraphism-on-magnetic-resonance-a-pictorial-review
#5
REVIEW
Jyoti Kumar, Muhammed Afsal, Anju Garg
Congenital malformations of spine and spinal cord are collectively termed as spinal dysraphism. It includes a heterogeneous group of anomalies which result from faulty closure of midline structures during development. Magnetic resonance imaging (MRI) is now considered the imaging modality of choice for diagnosing these conditions. The purpose of this article is to review the normal development of spinal cord and spine and reviewing the MRI features of spinal dysraphism. Although imaging of spinal dysraphism is complicated, a systematic approach and correlation between neuro-radiological, clinical and developmental data helps in making the correct diagnosis...
April 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28528897/lateral-lumbar-interbody-fusion-at-the-lumbosacral-junction
#6
Timothy L T Siu, Kainu Lin
Due to the obstruction of the iliac crest and the retroperitoneal vessels, lateral lumbar interbody fusion (LLIF) is generally considered contraindicated at the lumbosacral junction (LSJ). In particular the 'rise' of the psoas from the vertebral column in the lower lumbar segments has been associated with significant overlap of the lumbar plexus with the vertebral body and exclusion of a safe transpsoas entry. However in selected individuals anatomical variations may help circumvent the difficulties and the anatomical corridor posterior to the lumbar plexus may provide an alternative to the conventional anterior approach...
May 18, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28527756/radiological-lumbar-stenosis-severity-predicts-worsening-sagittal-malalignment-on-full-body-standing-stereoradiographs
#7
Aaron J Buckland, Subaraman Ramchandran, Louis Day, Shay Bess, Themistocles Protopsaltis, Peter G Passias, Bassel G Diebo, Renaud Lafage, Virginie Lafage, Akhila Sure, Thomas J Errico
BACKGROUND CONTEXT: Patients with degenerative lumbar stenosis (DLS) adopt a forward flexed posture in an attempt to decompress neural elements. The relationship between sagittal alignment and severity of lumbar stenosis has not previously been studied. PURPOSE: We hypothesized that patients with increasing radiological severity of lumbar stenosis will exhibit worsening sagittal alignment. STUDY DESIGN: This is a cross-sectional study. PATIENT SAMPLE: Our sample consists of patients who have DLS...
May 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28526323/-18-f-fdg-pet-ct-helps-in-unmasking-the-great-mimicker-a-case-of-neurosarcoidosis-with-isolated-involvement-of-the-spinal-cord
#8
A Gholamrezanezhad, L Mehta
A 36 year-old male with no significant past medical history presented with lower extremity numbness, gait instability, and urinary and bowel retention of 4 weeks onset. Spine MRI revealed diffuse oedema of cervicothoracic spinal cord with several solid enhancing intramedullary lesions, suggestive of metastases. The (18)F-FDG PET/CT performed to identify the primary malignancy demonstrated mild hypermetabolic foci within the cervicothoracic cord, as well as a mildly hypermetabolic bilateral hilar lymphadenopathy and a mildly hypermetabolic pulmonary nodule, suggestive of sarcoidosis versus metastasis...
May 16, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28525493/influence-of-myelography-and-postmyelographic-ct-on-therapeutic-decisions-in-degenerative-diseases-of-the-cervical-spine
#9
Thomas Westermaier, Christina Doerr, Christian Stetter, Thomas Linsenmann, Stefan Koehler, Joerg Eriskat, Laszlo Solymosi, Ralf-Ingo Ernestus
STUDY DESIGN: A retrospective analysis of clinical records and radiologic imaging by 3 independent reviewers to assess the indication for surgical treatment with and without myelography and postmyelographic computed tomography (MCT). OBJECTIVE: To evaluate whether myelography and MCT obtained in addition to magnetic resonance imaging (MRI) influence therapeutic decisions in degenerative diseases of the cervical spine. SUMMARY OF BACKGROUND DATA: MRI has become the standard examination in spinal diseases...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28524790/cognard-type-v-intracranial-dural-arteriovenous-fistula-presenting-in-a-pediatric-patient-with-rapid-progressive-myelopathy
#10
Walter J Jermakowicz, Alexander G Weil, Artyom Vlasenko, Sanjiv Bhatia, Toba N Niazi
Cognard Type V dural arteriovenous fistulas (dAVFs) are a unique type of cranial vascular malformation characterized by congestion of the perimedullary venous system that may lead to devastating spinal cord pathology if left untreated. The authors present the first known case of a pediatric patient diagnosed with a Type V dAVF. A 14-year-old girl presented with a 3-week history of slowly progressive unilateral leg weakness that quickly progressed to bilateral leg paralysis, sphincter dysfunction, and complete sensory loss the day of her presentation...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28523339/medial-meniscal-extrusion-a-validation-study-comparing-different-methods-of-assessment
#11
Luke D Jones, Stephen J Mellon, Neil Kruger, Andrew P Monk, Andrew J Price, David J Beard
PURPOSE: Longitudinal cohort studies of knee OA aetiology use MRI to assess meniscal extrusion within the same knee at sequential time points. A validated method of assessment is required to ensure that extrusion is measured at the same location within the knee at each time point. Absolute perpendicular extrusion from the tibial edge can be assessed using the reference standard of segmentation of the tibia and medial meniscus. This is labour intensive and unsuitable for large cohorts...
April 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28520678/anterior-cruciate-ligament-injury-at-the-time-of-anterior-tibial-spine-fracture-in-young-patients-an-observational-cohort-study
#12
Meredith H Mayo, Justin J Mitchell, Derek P Axibal, Jorge Chahla, Claire Palmer, Armando F Vidal, Jason T Rhodes
BACKGROUND: Anterior tibial spine fractures (ATSF) in the skeletally immature parallel anterior cruciate ligament (ACL) tears in adult patients, yet these injuries are generally regarded as mutually exclusive. Biomechanical analysis suggests that intrinsic ACL damage occurs during ATSF, and long-term clinical studies demonstrate residual anteroposterior knee laxity following ATSF. We aim to describe prevalence, demographics, and characteristics of pediatric patients who sustained ATSF with concomitant ACL injury...
May 17, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28516403/long-term-clinical-outcome-of-spinal-langerhans-cell-histiocytosis-in-children
#13
Seong Wook Lee, Hyery Kim, Jin Kyung Suh, Kyung-Nam Koh, Ho Joon Im, Hee Mang Yoon, Jong Jin Seo
Spinal involvement of Langerhans cell histiocytosis (LCH) affects morbidity, but outcomes are not well understood. We analyzed long-term outcomes following uniform treatment at a single institution. Clinical characteristics and outcomes of spinal LCH patients were retrospectively analyzed. Height ratios were calculated using the anterior height of the involved vertebral body on magnetic resonance imaging (MRI) and the expected normal vertebral height. Twenty-two (22.4%) of 98 patients diagnosed with LCH had spinal involvement...
May 17, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28512589/a-case-of-early-disseminated-neurological-lyme-disease-followed-by-atypical-cutaneous-manifestations
#14
Vamsi Kantamaneni, Vikas Sunder, Mohammad Bilal, Scott Vargo
Lyme disease (LD) is a tick-borne illness caused by Borrelia burgdorferi sensu stricto. An 80-year-old female from Pennsylvania, USA, presented to an outside hospital with fever, confusion, lower extremity weakness, and stool incontinence. CT head and MRI spine were unremarkable. An infectious work-up including lumbar puncture was negative. She was transferred to our tertiary care hospital. Patient was noted to have mild unilateral right-sided facial droop and a diffuse macular rash throughout the body. She denied any outdoor activities, tick bites, or previous rash...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28508764/current-incidence-of-different-morphological-types-of-malignant-metastases-to-the-spine-based-on-magnetic-resonance-imaging
#15
Grzegorz Guzik
BACKGROUND: Malignant tumours particularly often metastasise to the spine, causing considerable pain and limiting the patient's physical function. Standard therapy consists in surgical treatment with adjuvant radiotherapy. The qualification for surgery is a multifaceted process and detailed analysis of the morphology of the metastasis is a key factor. Numerous types of classification of metastatic lesions exist, among which the Tomita system, based on MRI findings, appears to be the most practical...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28506237/clinical-and-mri-outcome-of-cervical-spine-lesions-in-children-with-juvenile-idiopathic-arthritis-treated-with-anti-tnf%C3%AE-drugs-early-in-disease-course
#16
Damjana Ključevšek, Nina Emeršič, Nataša Toplak, Tadej Avčin
BACKGROUNDS: The purpose of the study was to evaluate the clinical and magnetic resonance imaging (MRI) outcome of cervical spine arthritis in children with juvenile idiopathic arthritis (JIA), who received anti-TNFα early in the course of cervical spine arthritis. METHODS: Medical charts and imaging of JIA patients with cervical spine involvement were reviewed in this retrospective study. Data, including age at disease onset, JIA type, disease activity, treatment and clinical outcome were collected...
May 15, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28503467/medial-lemniscus-tract-lesion-after-high-voltage-electrical-injury-a-case-report
#17
Chul-Hyun Cho, Dong Gyu Lee
We present the case of a 33-year-old man who experienced a 10,000-V electrical shock when working with electrical wiring. He suffered third-degree burns on his scalp at the right occiput (entry wound) and on his left arm (exit would), and a second-degree burn on his left foot (exit wound). He presented with severe spasticity of both lower extremities, motor weakness with a Medical Research Council grade of 3, and sensory impairments below thoracic level 11 that included an inability to sense light touch and defects in proprioception...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28503350/clinicoradiologic-profile-of-involvement-and-healing-in-tuberculosis-of-the-spine
#18
R Singh, N K Magu, R K Rohilla
BACKGROUND: There is no much information about how tuberculous lesions of the spine progress/heal; what clinical and radiological features suggest progression/healing; what is the optimal duration of antitubercular treatment; and what clinical, laboratory, and radiological investigations and their frequency should be done to monitor the disease course. AIMS: The present study aimed to evaluate what specific clinicoradiologic features suggest involvement and healing in tuberculosis of the spine...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28502684/metastatic-neuroendocrine-carcinoma-of-unknown-origin-arising-in-the-femoral-nerve-sheath
#19
Nicholas Candy, Adam Young, Kieren Allinson, Oliver Carr, Jason McMillen, Rikin Trivedi
Metastatic neuroendocrine carcinoma of unknown origin is a rare condition, usually presenting with lesions in the liver and/or lung. We present the first reported case of a metastatic neuroendocrine carcinoma of unknown origin arising in the femoral nerve sheath. MRI demonstrated what was thought to be a schwannoma in the left femoral nerve sheath in the proximal femoral triangle, immediately inferior to the anterior inferior iliac spine. At the time of operation, the tumour capsule was invading surrounding tissue as well as three trunks of the femoral nerve...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28502567/myelopathy-secondary-to-a-spinal-cord-compression-induced-by-c2-nerve-tumors-during-head-rotation
#20
P Finet, C Raftopoulos
INTRODUCTION: It is well known that nerve root tumors developing in the spinal canal can be responsible for spinal cord compression leading to myelopathy and neurological deficits. We report the case of a patient with bilateral C2 neurofibromas presenting with a myelopathy of the upper cervical spine with no spinal cord compression on standard magnetic resonance imaging. The spinal cord compression occurred between the cervical neurofibromas only during head rotation. CASE REPORT: A patient with bilateral neurofibromas of the C2 nerve roots showed a progressive neurological deterioration with an intramedullary MRI hypersignal without visible compression...
May 11, 2017: Neuro-Chirurgie
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