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Mri of the spine

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https://www.readbyqxmd.com/read/27913838/isolated-transverse-process-fractures-insignificant-injury-or-marker-of-complex-injury-pattern
#1
G Lombardo, P Petrone, K Prabhakaran, C P Marini
INTRODUCTION: This study investigates the incidence of isolated transverse process fractures (ITPFx) amongst vertebral fractures in trauma patients, and specific-associated injury patterns present in patients with ITPFx. MATERIALS AND METHODS: A retrospective, 4-year review of our Level 1 Trauma Center registry was performed. Patients with blunt spinal column fractures were identified. Data collected included patient demographics, Injury Severity Score (ISS), type of imaging obtained, and concomitant injuries, including rib and pelvic fractures, liver, spleen, and kidney injury (SOI)...
December 2, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/27911458/spondylodiscitis-a-rare-complication-following-percutaneous-nephrostomy
#2
Francesco Chiancone, Maurizio Fedelini, Clemente Meccariello, Luigi Pucci, Marco Fabiano, Paolo Fedelini
Spondylodiscitis is an inflammation of the intervertebral disc and the adjacent vertebral bodies. The spondylodiscitis can not only be a complication of medical interventions such as an operation near spinal column but also urogenital and vascular interventions and intravenous catheter use. A 71-year-old man was admitted to our emergency department with fever and severe abdominal pain. Antibiotic therapy had been performed with intravenous administration of 2 g of ceftriaxone and the patient underwent the placement of a percutaneous nephrostomy according to Seldinger technique...
November 28, 2016: Urologia
https://www.readbyqxmd.com/read/27911245/use-of-magnetic-resonance-imaging-to-detect-occult-spinal-dysraphism-in-infants
#3
Brent R O'Neill, Danielle Gallegos, Alex Herron, Claire Palmer, Nicholas V Stence, Todd C Hankinson, C Corbett Wilkinson, Michael H Handler
OBJECTIVE Cutaneous stigmata or congenital anomalies often prompt screening for occult spinal dysraphism (OSD) in asymptomatic infants. While a number of studies have examined the results of ultrasonography (US) screening, less is known about the findings when MRI is used as the primary imaging modality. The object of this study was to assess the results of MRI screening for OSD in infants. METHODS The authors undertook a retrospective review of all infants who had undergone MRI of the lumbar spine to screen for OSD over a 6-year period (September 2006-September 2012)...
December 2, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27909653/magnetic-resonance-imaging-of-the-cervical-spine-under-represents-sagittal-plane-deformity-in-degenerative-myelopathy-patients
#4
Douglas S Weinberg, Arunit J Chugh, Jeremy J Gebhart, Jason D Eubanks
BACKGROUND: In treating patients with cervical myelopathy, surgical approach may be dictated by sagittal balance, highlighting the need for accurate pre-operative assessment. Magnetic Resonance Imaging (MRI) is widely-recognized for its utility in the diagnosis and surgical planning of cervical myelopathy. Plain radiographs (X-rays) are a reliable tool to assess bony alignment. However, they may not always be included in standard pre-operative evaluation, especially in an era of restricted payer-environments...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27909651/hybrid-decompression-and-fixation-technique-for-the-treatment-of-multisegmental-cervical-spondylotic-myelopathy
#5
Barón Zárate-Kalfopulos, Walter Araos-Silva, Alejandro Reyes-Sánchez, Luis Miguel Rosales-Olivarez, Armando Alpizar-Aguirre, Francisco Lopez Melendez
BACKGROUND: Cervical spondilotic myelopathy (CSM) is defined as the compromise of the spinal cord due to degenerative changes of the cervical spine. It is the most common cause of spinal cord dysfunction in patients over 55 years. An early surgical management it is paramount to achieve better neurological outcome. There is still controversy regarding the appropriate surgical treatment for multisegmental CSM involving three or more levels. The hybrid decompression and fixation technique combines one or two level corpectomy and a single level discectomy in order to obtain optimum decompression and fixation in patients with multilevel cervical myelopathy...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27909638/four-rod-instrumentation-for-treatment-of-charcot-spinal-arthropathy-causing-autonomic-dysreflexia-case-report-and-literature-review
#6
Stephanie Zyck, Gentian Toshkezi, John Pizzuti, Satya Marawar
Late complications of spinal cord injury can include Charcot arthropathy, in which spinal instability occurs as a result of repetitive trauma in the insensate spine. In rare cases, this can present as autonomic dysreflexia. We present the case of a 60-year-old man with longstanding C6 quadriplegia who presented with six months of hypertension, diaphoresis and dizziness. After an extensive workup, the patient's symptoms were attributed to autonomic dysreflexia in the setting of spinal instability from Charcot spinal arthropathy...
October 27, 2016: Curēus
https://www.readbyqxmd.com/read/27907940/ct-guided-percutaneous-spine-biopsy-in-suspected-infection-or-malignancy-a-study-of-214-patients
#7
J Rehm, S Veith, M Akbar, H U Kauczor, M A Weber
Purpose: To retrospectively determine the effectiveness and accuracy of CT-guided percutaneous biopsy of malignant and inflammatory bone lesions of the spine and to assess the reliability of pre-biopsy CT and MRI. Materials and Methods: 214 patients with lesions of the spine, which were suspicious either for being malignant or inflammatory, underwent CT-guided biopsy for pathological and/or microbiological detection. Biopsy samples were sent for histological examination in 128/214 patients, for microbiological analysis in 17/214 patients and for both analyses in 69/214 patients...
December 2016: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/27904756/ct-negative-mri-gre-positive-primary-motor-cortex-contusion-causing-isolated-foot-drop
#8
Alexander M Tucker, Tianyi Niu, Daniel T Nagasawa, Richard Everson, Shaina Sedighim, Manuel M Buitrago Blanco
BACKGROUND: Isolated acute foot drop due to traumatic brain injury is exceedingly rare and is often misdiagnosed during initial evaluation. Here, we present the case of a patient who presented with left foot drop after falling off a bicycle. CASE DESCRIPTION: The patient is a 55-year-old male who was mountain biking when he fell, hit his head, and lost consciousness. Neurologic examination of the left leg revealed foot drop, no sensory deficits, and 3+ reflexes at the knee and ankle with clonus...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27902591/a-novel-indication-for-a-method-in-the-treatment-of-lumbar-tuberculosis-through-minimally-invasive-extreme-lateral-interbody-fusion-xlif-in-combination-with-percutaneous-pedicle-screws-fixation-in-an-elderly-patient-a-case-report
#9
Qiyou Wang, Yichun Xu, Ruiqiang Chen, Jianwen Dong, Bin Liu, Limin Rong
RATIONALE: To describe a novel indication for a method through minimally invasive extreme lateral interbody fusion (XLIF) in combination with percutaneous pedicle screwsfixation in the treatment of lumbar tuberculosis (TB) in an elderly patient, and its clinical efficacy and feasibility. Lumbar TB is a destructive form of TB. Antituberculous treatment should be started as early as possible. In some circumstances, however, surgical debridement with or without stabilization of the spine appears to be beneficial and may be recommended...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27895949/primary-ewing-s-sarcoma-of-the-spine-in-a-two-year-old-boy
#10
Ali J Electricwala, Jaffer T Electricwala
Ewing's Sarcoma (ES) is a highly malignant bone tumour. It may involve any part of the skeleton but the most frequent parts are the ilium and diaphysis of femur and tibia (Alfeeli et al., 2005; Zhu et al., 2012). Primary ES of the spine is extremely rare (Yan et al., 2011). It accounts for only 3.5 to 14.9 percent of all primary bone sarcomas. The age of presentation ranges from 12 to 24 years (median 21 years) (Ferguson, 1999; Sharafuddin et al., 1992; Klimo Jr. et al., 2009). We report an unusual case of primary ES of the spine in a two-year-old boy, who presented to us with paraparesis and features of cauda equina syndrome...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27893647/cervical-spine-mri-in-patients-with-negative-ct-a-prospective-multicenter-study-of-the-research-consortium-of-new-england-centers-for-trauma-reconect
#11
Adrian A Maung, Dirk C Johnson, Kimberly Barre, Thomas Peponis, Thomas Mesar, George C Velmahos, Daniel McGrail, George Kasotakis, Ronald I Gross, Michael S Rosenblatt, Kristen C Sihler, Robert J Winchell, Walter Cholewczynski, Kathryn L Butler, Stephen R Odom, Kimberly A Davis
BACKGROUND: Although cervical spine CT (CSCT) accurately detects bony injuries, it may not identify all soft tissue injuries. While some clinicians rely exclusively on a negative CT to remove spine precautions in unevaluable patients or patients with cervicalgia, others use MRI for that purpose. The objective of this study was to determine the rates of abnormal MRI after a negative CSCT. METHODS: Blunt trauma patients who either were unevaluable or had persistent midline cervicalgia and underwent an MRI of the C-spine after a negative CSCT were enrolled prospectively in 8 Level I and II New England trauma centers...
November 23, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27892880/mri-cross-sectional-atlas-of-normal-canine-cervical-musculoskeletal-structure
#12
M Alizadeh, C Zindl, M J Allen, G G Knapik, N Fitzpatrick, W S Marras
Although magnetic resonance imaging (MRI) has been increasingly used as a diagnostic tool for cervical spine injuries in canines, a comprehensive normal MRI anatomy of the canine cervical spine muscles is lacking. Therefore, the purpose of this study was to build a magnetic resonance imaging atlas of the normal cross sectional anatomy of the muscles of the canine cervical spine. MRI scans were performed on a canine cadaver using a combination of T1 and T2-weighted images in the transverse, sagittal and dorsal planes acquired at a slice thickness of 1mm...
September 30, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27889235/prevalence-and-topographic-distribution-of-spinal-inflammation-on-mr-imaging-in-patients-recently-diagnosed-with-axial-spondyloarthritis
#13
A Larbi, B Fourneret, C Lukas, M-P Baron, N Molinari, P Taourel, C Cyteval
OBJECTIVE: The primary goal of this study was to determine the prevalence and topographic distribution of spinal lesions in lower thoracic and lumbar spine on magnetic resonance imaging (MRI) in patients with recently diagnosed with spondyloarthritis. The secondary goal was to identify variables associated with vertebral patterns consistent with spondyloarthritis on MRI. PATIENTS AND METHODS: A total of 112 HLA-B27 positive patients with recently diagnosed spondyloarthritis were retrospectively included...
November 23, 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27886871/update-on-new-imaging-techniques-for-trauma
#14
REVIEW
Lubdha M Shah, Adam E Flanders
Computed tomography (CT) and MRI are complementary imaging modalities for the evaluation of the traumatic spine. Osseous delineation is best assessed with CT, whereas MRI gives superb soft tissue description. Awareness of the strengths and pitfalls of each modality is critical in the accurate interpretation of images. Advances in MR imaging of the spine, particularly of the spinal cord, provide glimpses into to the pathobiological mechanism of spinal cord injury. Innovative techniques relay microstructural information about the integrity of the axons and myelin sheaths...
January 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/27884603/cranial-nerve-involvement-in-charcot-marie-tooth-disease
#15
Nirav Das, Savannah Kandalaft, Xiao Wu, Ajay Malhotra
BACKGROUND: Charcot-Marie-Tooth Disease (CMT) is a rare disorder with less than 200,000 cases reported in the US every year, making diagnosis challenging. MR and CT imaging has become more common in the evaluation of CMT to identify areas of disease involvement. CASE REPORT: A 27-year-old female from Guatemala with a past history of polio initially presented to the emergency room for necrotizing pneumonia. MRI images demonstrated smoothly enlarged, mildly enhancing trigeminal nerves...
November 21, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27883372/a-case-of-transverse-myelitis-caused-by-varicella-zoster-virus-in-an-immunocompetent-older-patient
#16
Jeong Eun Lee, Shinwon Lee, Kye Hyung Kim, Hee Ryeong Jang, Young Joo Park, Jin Suk Kang, Sung Yong Han, Sun Hee Lee
Varicella zoster virus (VZV) is a human neurotropic alphaherpesvirus that causes chickenpox (varicella) in children. VZV reactivation may lead to neurological complications, including transverse myelitis. However, transverse myelitis caused by VZV reactivation is rare in immunocompetent patients. Herein, we report a case of transverse myelitis caused by VZV in an immunocompetent older patient, and confirmed this case by polymerase chain reaction. A 79-year-old woman visited our service with complaints of weakness in the right lower leg, generalized vesicular eruptions, and throbbing pain in the right flank for ten days...
November 11, 2016: Infection & Chemotherapy
https://www.readbyqxmd.com/read/27878353/does-mri-of-the-thoracolumbar-spine-change-management-in-blunt-trauma-patients-with-stable-thoracolumbar-spinal-injuries-without-neurologic-deficits
#17
Paul Deramo, Vaidehi Agrawal, Joseph Amos, Nimesh Patel, Henry Jefferson
BACKGROUND: In blunt trauma patients with computed tomography (CT) findings of stable thoracolumbar (TL) spinal injury without neurologic deficits, magnetic resonance imaging (MRI) studies are commonly obtained, though the impact on overall management remains unclear. The indication for MRI in patients with TL injury without neurologic deficits continues to remain unclear. Here, we evaluate the role of MRI on clinical management of patients presenting with this diagnosis. METHODS: After IRB approval, all registry patients from December 2005 to December 2015 with all blunt TL injuries without defects were extracted...
November 22, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27873535/loading-of-the-lumbar-spine-during-backpack-carriage
#18
Patrick D Wettenschwiler, Silvio Lorenzetti, Stephen J Ferguson, Rolf Stämpfli, Ameet K Aiyangar, René M Rossi, Simon Annaheim
Backpack carriage is significantly associated with a higher prevalence of low back pain. Elevated compression and shear forces in the lumbar intervertebral discs are known risk factors. A novel method of calculating the loads in the lumbar spine during backpack carriage is presented by combining physical and numerical modelling. The results revealed that to predict realistic lumbar compression forces, subject-specific lumbar curvature data were not necessary for loads up to 40 kg. In contrast, regarding shear forces, using subject-specific lumbar curvature data from upright MRI measurements as input for the rigid body model significantly altered lumbar joint force estimates...
November 22, 2016: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/27872353/feed-and-wrap-mri-technique-in-infants
#19
Nina K Antonov, Carrie B Ruzal-Shapiro, Kimberly D Morel, William S Millar, Sudha Kashyap, Christine T Lauren, Maria C Garzon
The feed and wrap technique refers to the use of feeding and swaddling to induce natural sleep in infants. It can be used prior to an magnetic resonance imaging (MRI) scan, avoiding sedation or anesthesia. We performed a retrospective review of feed and wrap MRI scans in infants 3 months or younger over a 2-year period at our center (279 scans) to evaluate the efficacy of this technique. Of scan results reviewed, 79% addressed the clinical question, 20% partially addressed the clinical question, and 1% were technically inadequate...
November 20, 2016: Clinical Pediatrics
https://www.readbyqxmd.com/read/27867442/the-slowly-enlarging-ventriculus-terminalis
#20
Joel Woodley-Cook, Magdalena Konieczny, Julian Spears
BACKGROUND: A cerebral spinal fluid (CSF) cavity within the conus medullaris has been described by the term ventriculus terminalis (VT) or the fifth ventricle. The finding of a VT on MRI imaging of the lumbar spine is often incidental but may be found in patients with low back pain or neuromuscular deficits. These lesions, when identified, are thought to regress or remain stable in terms of size, although some have been described to enlarge in the presence of post-traumatic meningeal hemorrhages or deformities of the vertebral canal...
2016: Polish Journal of Radiology
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