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https://www.readbyqxmd.com/read/28634562/a-simple-bone-cyst-in-cervical-vertebrae-of-an-adolescent-patient
#1
Adriana Bruges Boude, Lina González Vásquez, Fernando Alvarado-Gomez, María Constanza Bedoya, Andrés Rodríguez-Múnera, Luis Carlos Morales-Saenz
INTRODUCTION: Spinal simple bone cysts, also known as solitary cysts, are extremely unusual benign primary bone tumors with few cases reported in the literature. CASE PRESENTATION: Incidental Magnetic Resonance Imaging (MRI) finding of a C2 Simple bone cyst in a 13-year-old female patient is reported. Complementary studies suggested the benign nature of the lesion. Patient underwent cervical curettage followed by tumor excision. A lateral submandibular approach to the upper cervical spine was used and careful bone resection was possible with a radiofrequency assisted burr and no instrumentation or fixation was required...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28632693/extraosseous-extension-of-aggressive-vertebral-hemangioma-as-a-potential-pitfall-on-68ga-psma-pet-ct
#2
Stephan Probst, Franck Bladou, Gad Abikhzer
A 74-year-old man with newly diagnosed prostate cancer underwent Ga-PSMA PET/CT, which demonstrated intense uptake in and adjacent the L2 vertebral body. Subsequent MRI of the lumbar spine showed an aggressive L2 hemangioma with adjacent soft tissue extension. There was congruence of the intraosseous and extraosseous components of the hemangioma and the PSMA PET uptake. This is a rare but important potential pitfall in Ga-PSMA PET/CT-a soft tissue lesion with intense tracer uptake related not to a nodal metastasis of prostate cancer but to extraosseous extension of an aggressive vertebral body hemangioma...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28632646/the-utility-of-adding-magnetic-resonance-imaging-to-computed-tomography-alone-in-the-evaluation-of-cervical-spine-injury-a-propensity-matched-analysis
#3
Andrew J Schoenfeld, Daniel G Tobert, Hai V Le, Dana A Leonard, Allan L Yau, Prashant Rajan, Charles H Cho, James D Kang, Christopher M Bono, Mitchel B Harris
STUDY DESIGN: Adult patients who received CT alone or CT-MRI for the evaluation of cervical OBJECTIVE.: To evaluate the utility of CT-MRI in the diagnosis of cervical spine injury using propensity matched techniques. SUMMARY OF BACKGROUND DATA: The optimal evaluation (computed tomography [CT] alone vs CT and magnetic resonance imaging [MRI]) for patients with suspected cervical spine injury in the setting of blunt trauma remains controversial. METHODS: The primary outcome was the identification of a cervical spine injury, with decision for surgery and change in management considered secondarily...
June 19, 2017: Spine
https://www.readbyqxmd.com/read/28625903/the-need-for-clinical-practice-guidelines-in-assessing-and-managing-perioperative-neurologic-deficit-results-from-a-survey-of-the-aospine-international-community
#4
A Nater, J C Murray, A R Martin, A Nouri, L Tetreault, M G Fehlings
OBJECTIVES: There is no standardized approach to assess and manage perioperative neurologic deficit (PND) in patients undergoing spinal surgery. This survey aimed to evaluate the awareness and usage of clinical practice guidelines (CPGs) as well as investigate how surgeons performing spine surgeries feel about and manage PND, and how they perceive the value of developing CPGs for the management of PND. METHODS: An invitation to participate was sent to the AOSpine International community...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28624722/age-related-differences-in-the-response-of-the-l5-s1-intervertebral-disc-to-spinal-traction
#5
Ulrike H Mitchell, Paul F Beattie, Jennifer Bowden, Robert Larson, Hanuan Wang
BACKGROUND: Lumbar traction is a common treatment for low back pain; however its mechanisms of action are poorly understood. It has been hypothesized that a key effect of lumbar traction is its capacity to influence fluid movement within the intervertebral disc (IVD). OBJECTIVES: To determine differences in the apparent diffusion coefficient (ADC) obtained with lumbar diffusion-weighted imaging (DWI) of the L5-S1 IVD before, and during, the application of lumbar traction...
June 9, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28623416/identifying-intestinal-malrotation-on-magnetic-resonance-examinations-ordered-for-unrelated-indications
#6
Jill S Fay, Victoria Chernyak, Benjamin H Taragin
BACKGROUND: Anatomical imaging findings indicating normal bowel rotation can be identified on cross-sectional imaging, including magnetic resonance imaging (MRI) performed for non-related indications. OBJECTIVE: The goal of our study was to assess whether non-targeted MRI can accurately assess intestinal malrotation. MATERIALS AND METHODS: Four anatomical landmarks were assessed on MRIs of the chest, spine or abdomen performed from January 2006 to June 2014, on patients who also had upper gastrointestinal series (UGI) performed within 10 years of the MRI date: 1) retroperitoneal duodenum, 2) left upper quadrant duodenojejunal junction, 3) superior mesenteric artery to the left of the superior mesenteric vein, and 4) right lower quadrant cecum...
June 16, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28622911/demyelination-strokes-and-eculizumab-lessons-from-the-congenital-cd59-gene-mutations
#7
Adi Tabib, Netanel Karbian, Dror Mevorach
Neurological symptoms of patients with p.Cys89Tyr mutation in the CD59 gene include recurrent peripheral neuropathy resembling Guillain-Barré syndrome, characterized by sensory-motor demyelinating neuropathy with secondary axonal damage and moderate enhancement of the nerve roots on spine MRI, together with recurrent strokes and retinal involvement. Three additional mutations in CD59, leading to loss of function, have been described, and overall, 12/12 (100%) of patients with any mutation presented with neurological symptoms; 11/12 (92%) patients presented with recurrent peripheral neuropathy, 6/12 (50%) with recurrent strokes, and 1/12 (8%) with retinal involvement...
June 13, 2017: Molecular Immunology
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/28616638/piriformis-muscle-syndrome-with-assessment-of-sciatic-nerve-using-diffusion-tensor-imaging-and-tractography-a-case-report
#9
Keizo Wada, Tomohiro Goto, Tomoya Takasago, Daisuke Hamada, Koichi Sairyo
Piriformis muscle syndrome (PMS) is difficult to diagnose by objective evaluation of sciatic nerve injury. Here we report a case of PMS diagnosed by diffusion tensor imaging (DTI) and tractography of the sciatic nerve, which can assess and visualize the extent of nerve injury. The patient was a 53-year-old man with a 2-year history of continuous pain and numbness in the left leg. His symptoms worsened when sitting. Physical examination, including sensorimotor neurologic tests, the deep tendon reflex test, and the straight leg raise test, revealed no specific findings...
June 14, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28616222/a-case-report-of-an-unusual-cause-of-postoperative-leg-pain-after-posterior-lumbar-fusion
#10
R Daureeawoo, S Baliga, W Mohahmed, E B Ahmed
We report the case of a 36-year old man who underwent elective posterior lumbar spinal fusion after presenting with bilateral leg pain with associated back pain. He had undergone a L5/S1 discectomy in 2001, which provided good symptomatic relief. On this admission, he underwent elective L4-S1 posterolateral fusion and bilateral L4/5 and L5/S1 decompression. Intra-operatively a pedicle screw had to be re-inserted after fluoroscopy confirmed a lateral breech. The patient had no major postoperative complications until the sixth day when the patient re-presented with acute leg pain and weakness...
July 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28614284/cervical-spine-deformities-in-children-with-rhizomelic-chondrodysplasia-punctata
#11
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/28612160/reuse-and-reduce-abdominal-ct-lumbar-spine-mri-and-a-potential-1-2-to-3-4-billion-dollars-in-cost-savings
#12
Mitchell A Klein
PURPOSE: To determine how much money could potentially be saved by re-evaluating a patient's prior recent abdominal CT for lumbar spine pathology instead of ordering a lumbar spine MRI. METHODS: Abdominal CT studies, from all consecutive patients who had an abdominal CT within 12 months prior to a lumbar spine MRI obtained between 11/1/15 and 5/30/16, were retrospectively reviewed in a blinded fashion for the presence of any significant lumbar spine abnormalities...
June 13, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28609701/the-3d-pelvic-inclination-correction-system-pics-a-universally-applicable-coordinate-system-for-isovolumetric-imaging-measurements-tested-in-women-with-pelvic-organ-prolapse-pop
#13
Caecilia S Reiner, Tom Williamson, Thomas Winklehner, Sean Lisse, Daniel Fink, John O L DeLancey, Cornelia Betschart
In pelvic organ prolapse (POP), the organs are pushed downward along the lines of gravity, so measurements along this longitudinal body axis are desirable. We propose a universally applicable 3D coordinate system that corrects for changes in pelvic inclination and that allows the localization of any point in the pelvis at rest or under dynamic conditions on magnetic resonance images (MRI) of pelvic floor disorders in a scanner- and software independent manner. The proposed 3D coordinate system called 3D Pelvic Inclination Correction System (PICS) is constructed utilizing four bony landmark points, with the origin set at the inferior pubic point, and three additional points at the sacrum (sacrococcygeal joint) and both ischial spines, which are clearly visible on MRI images...
June 3, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28609385/association-between-menopause-and-lumbar-disc-degeneration-an-mri-study-of-1-566-women-and-1-382-men
#14
Chao Lou, Hongliang Chen, Liangwei Mei, Weiyang Yu, Kejun Zhu, Feijun Liu, Zhenzhong Chen, Guangheng Xiang, Minjiang Chen, Qiaoyou Weng, Dengwei He
OBJECTIVE: The aim of this study was to revisit and further investigate the association between menopause and disc degeneration in the lumbar spine using a magnetic resonance imaging-based eight-level grading system. METHODS: This study cohort comprised of 1,566 women and 1,382 age-matched men who were admitted for low back pain from June 2013 to October 2016. Data on age, weight, height, body mass index, age at natural menopause, and years since menopause (YSM) were obtained...
June 12, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28608178/minimally-invasive-spine-surgery-in-lumbar-spondylodiscitis-a-retrospective-single-center-analysis-of-67-cases
#15
Anja Tschugg, Sebastian Hartmann, Sara Lener, Andreas Rietzler, Neururer Sabrina, Claudius Thomé
BACKGROUND: Minimally invasive surgical techniques have been developed to minimize tissue damage, reduce narcotic requirements, decrease blood loss, and, therefore, potentially avoid prolonged immobilization. Thus, the purpose of the present retrospective study was to assess the safety and efficacy of a minimally invasive posterior approach with transforaminal lumbar interbody debridement and fusion plus pedicle screw fixation in lumbar spondylodiscitis in comparison to an open surgical approach...
June 12, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28607814/chiari-i-malformation-and-syringomyelia-in-mucopolysaccharidosis-type-i-hurler-syndrome-treated-with-posterior-fossa-decompression-case-report-and-review-of-the-literature
#16
Vyacheslav Makler, Christina L Goldstein, Daniel Hoernschemeyer, Tomoko Tanaka
BACKGROUND: Hurler Syndrome is the most severe phenotype of mucopolysaccharidosis type I. With bone marrow transplant and enzyme replacement therapy, the life expectancy of a child with Hurler syndrome has been extended, predisposing them to multiple musculoskeletal issues most commonly involving the spine. CASE DESCRIPTION: This is the case report of a 6-year-old male with Hurler syndrome who was diagnosed with Chiari I malformation and cervicothoracic syringomyelia on a preoperative magnetic resonance imaging (MRI) for his thoracolumbar kyphosis...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28603565/current-concepts-congenital-scoliosis
#17
Agnivesh Tikoo, Manish K Kothari, Kunal Shah, Abhay Nene
BACKGROUND: Congenital scoliosis is one of the 'difficult to treat' scenarios which a spine surgeon has to face. Multiple factors including the age of child at presentation, no definite pattern of deformity and associated anomalies hinder the execution of the ideal treatment plan. All patients of congenital scoliosis need to be investigated in detail. X rays and MRI of spine is usually ordered first. Screening investigations to rule out VACTERL (Visceral, Anorectal, Cardiac, Tracheo-esophageal fistula, Renal and Lung) abnormalities are required...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28601735/clinical-utility-for-diffusion-mri-sequence-in-emergency-and-inpatient-spine-protocols
#18
REVIEW
Michael J Hoch, Joanne Rispoli, Mary Bruno, Mervin Wauchope, Yvonne W Lui, Timothy M Shepherd
Diffusion imaging of the spine has the potential to change clinical management, but is challenging due to the small size of the cord and susceptibility artifacts from adjacent structures. Reduced field-of-view (rFOV) diffusion can improve image quality by decreasing the echo train length. Over the past 2 years, we have acquired a rFOV diffusion sequence for MRI spine protocols on most inpatients and emergency room patients. We provide selected imaging diagnoses to illustrate the utility of including diffusion spine MRI in clinical practice...
June 6, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28598294/open-versus-percutaneous-instrumentation-in-thoracolumbar-fractures-magnetic-resonance-imaging-comparison-of-paravertebral-muscles-after-implant-removal
#19
Yves Ntilikina, David Bahlau, Julien Garnon, Sébastien Schuller, Axel Walter, Mickaël Schaeffer, Jean-Paul Steib, Yann Philippe Charles
OBJECTIVE Percutaneous instrumentation in thoracolumbar fractures is intended to decrease paravertebral muscle damage by avoiding dissection. The aim of this study was to compare muscles at instrumented levels in patients who were treated by open or percutaneous surgery. METHODS Twenty-seven patients underwent open instrumentation, and 65 were treated percutaneously. A standardized MRI protocol using axial T1-weighted sequences was performed at a minimum 1-year follow-up after implant removal. Two independent observers measured cross-sectional areas (CSAs, in cm(2)) and region of interest (ROI) signal intensity (in pixels) of paravertebral muscles by using OsiriX at the fracture level, and at cranial and caudal instrumented pedicle levels...
June 9, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28598292/effects-of-primary-and-recurrent-sacral-chordoma-on-the-motor-and-nociceptive-function-of-hindlimbs-in-rats-an-orthotopic-spine-model
#20
Rachel Sarabia-Estrada, Alejandro Ruiz-Valls, Sagar R Shah, A Karim Ahmed, Alvaro A Ordonez, Fausto J Rodriguez, Hugo Guerrero-Cazares, Ismael Jimenez-Estrada, Esteban Velarde, Betty Tyler, Yuxin Li, Neil A Phillips, C Rory Goodwin, Rory J Petteys, Sanjay K Jain, Gary L Gallia, Ziya L Gokaslan, Alfredo Quinones-Hinojosa, Daniel M Sciubba
OBJECTIVE Chordoma is a slow-growing, locally aggressive cancer that is minimally responsive to conventional chemotherapy and radiotherapy and has high local recurrence rates after resection. Currently, there are no rodent models of spinal chordoma. In the present study, the authors sought to develop and characterize an orthotopic model of human chordoma in an immunocompromised rat. METHODS Thirty-four immunocompromised rats were randomly allocated to 4 study groups; 22 of the 34 rats were engrafted in the lumbar spine with human chordoma...
June 9, 2017: Journal of Neurosurgery. Spine
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