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https://www.readbyqxmd.com/read/29652689/postoperative-harlequin-syndrome-case-report-of-a-rare-but-clinically-striking-condition
#1
Ashley T Kydes, Ashley M Kelley, Samir R Pandya, Samuel M Barst
We present a case of a 2-year-old boy who underwent thoracoscopic resection of a left paraspinal mediastinal mass and developed Harlequin syndrome postoperatively. Harlequin syndrome is a rare neurological condition characterized by unilateral hyperhidrosis and erythema of the head and neck. Our discussion highlights this condition and other differential diagnoses that may present similarly in the postoperative period.
April 15, 2018: A&A practice
https://www.readbyqxmd.com/read/29627372/psoas-and-paraspinous-muscle-index-as-a-predictor-of-mortality-in-african-american-men-with-type-2-diabetes-mellitus
#2
Mariana Murea, Leon Lenchik, Thomas C Register, Gregory B Russell, Jianzhao Xu, S Carrie Smith, Donald W Bowden, Jasmin Divers, Barry I Freedman
AIM: Recent studies revealed a correlation between skeletal muscle mass index and density with longevity; these studies largely evaluated appendicular skeletal muscles in older Caucasians. This retrospective cohort study assessed the association between axial skeletal muscles size and density with survival in African Americans with type 2 diabetes mellitus. METHODS: Psoas and paraspinous muscle mass index (cross sectional area/height2 ) and radiographic density (in Hounsfield Units) were measured using computed tomography in African American-Diabetes Heart Study participants, 314 women and 256 men, with median (25th, 75th quartile) age 55...
March 19, 2018: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29624713/clinical-and-imaging-hallmarks-of-the-myh7-related-myopathy-with-severe-axial-involvement
#3
Ivana Dabaj, Robert Y Carlier, David Gómez-Andrés, Osório Abath Neto, Enrico Bertini, Adele D'Amico, Fabiana Fattori, Yann Péréon, Claudia Castiglioni, Eliana Rodillo, Michela Catteruccia, Júlio Brandão Guimarães, Acary Souza Bulle Oliveira, Umbertina Conti Reed, Lilia Mesrob, Doris Lechner, Anne Boland, Jean-François Deleuze, Edoardo Malfatti, Carsten Bonnemann, Jocelyn Laporte, Norma Romero, Adrien Felter, Susana Quijano-Roy, Cristiane Araújo Martins Moreno, Edmar Zanoteli
INTRODUCTION: MYH7 gene mutations are related to a heterogeneous group of skeletal and cardiac myopathies. METHODS: We evaluated clinical and muscle magnetic resonance imaging changes in patients with mutations in the rod domain of MYH7 including one with mosaicism and three with novel missense mutations. RESULTS: Patients presented in childhood with a distal and axial phenotype. Biopsy findings were variable. Half of the cases displaying some type of core pathology, including minicores and eccentric cores...
April 6, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29623728/poorly-differentiated-chordomas-showing-loss-of-ini1-smarcb1-a-report-of-2-rare-cases-with-diagnostic-implications
#4
Bharat Rekhi, Kemal Kosemehmetoglu, Swapnil Rane, Figen Soylemezoglu, Elif Bulut
Poorly differentiated chordomas are rare musculoskeletal tumors. Case 1. A 42-year-old lady presented with quadriparesis of 2 months' duration. Radiologic imaging disclosed a soft tissue mass in her left prevertebral- and paravertebral cervical region. Case 2. A 4-year-old male child presented with neck pain and restricted head movements of 1-year duration. Radiologic imaging revealed a contrast enhancing, paraspinal soft tissue mass in his cervical region. Microscopic examination in both the cases revealed a cellular malignant tumor composed of moderate to markedly pleomorphic cells with interspersed mitotic figures, along with focal myxoid change and necrosis...
April 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29617180/use-of-trunk-muscle-training-and-neuromuscular-electrical-stimulation-to-reduce-pain-and-disability-in-an-older-adult-with-chronic-low-back-pain-a-case-report
#5
Jenifer M Pugliese, J Megan Sions, Teonette O Velasco, Gregory E Hicks
Among older adults, low back pain (LBP) is common, costly, and disabling. Trunk muscle training (TMT) and neuromuscular electrical stimulation (NMES) have both been found to be effective in reducing LBP, but studies among older adults have been limited. An 83-year-old female with left-sided chronic LBP participated in a randomized controlled trial consisting of supervised TMT and NMES to the paraspinal muscles two times per week for 12 weeks. She also participated in a home exercise program. At the end of the intervention, she reported reduced LBP and LBP-related disability per the modified Oswestry disability index (i...
April 4, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29611039/analysis-of-computed-tomography-density-of-liver-before-and-after-amiodarone-administration
#6
Masazumi Matsuda, Aoi Otaka, Tomoki Tozawa, Tomoyuki Asano, Koichi Ishiyama, Manabu Hashimoto
PURPOSE: To evaluate CT density of liver changes between before and after amiodarone administration. MATERIALS AND METHODS: Twenty-five patients underwent non-enhanced CT including the liver before and after amiodarone administration. We set regions of interest (ROIs) at liver S8, spleen, paraspinal muscle, and calculated average CT density in these ROIs, then compared CT density between liver and other organs. Statistical differences between CT density of liver and various ratios before and after administration were determined, along with correlations between cumulative dose of amiodarone and liver density after administration, density change of liver, and various ratios after administration...
April 2, 2018: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29607270/risks-of-colon-injuries-in-extreme-lateral-approaches-to-the-lumbar-spine-an-anatomical-study
#7
Emre Yilmaz, Joe Iwanaga, Marc Moisi, Ronen Blecher, Amir Abdul-Jabbar, Tamir Tawfik, Rod J Oskouian, R Shane Tubbs
Introduction
 The extreme lateral interbody fusion technique (XLIF) is a modification of the retroperitoneal approach to the lumbar spine. This is a minimally invasive technique allowing direct access to the disc space without peritoneal or posterior paraspinal musculature damage. Nevertheless, the retroperitoneal part of the colon can be injured in this operative technique. To our knowledge, a study analyzing the anatomical considerations of the extreme lateral interbody fusion technique with regards to potential colon injuries has not been previously performed...
January 29, 2018: Curēus
https://www.readbyqxmd.com/read/29605279/epstein-barr-virus-associated-smooth-muscle-tumor-involving-the-spine-of-an-hiv-infected-patient-case-report-and-review-of-the-literature
#8
Jeffrey S Ehresman, A Karim Ahmed, Doreen N Palsgrove, Zachary Pennington, C Rory Goodwin, Daniel M Sciubba
Within the last two decades, there have been multiple reports of Epstein-Barr virus (EBV)-associated smooth muscle tumors in immunocompromised patients. This includes HIV-infected patients, post-transplant patients, and patients with congenital defects of their immune systems. Here we report the case of a 24-year-old African American female with congenital HIV presenting with progressive lower extremity weakness, constipation, aching pain in her shoulders, and subcostal anesthesia. Magnetic resonance imaging (MRI) revealed a large circumferential lesion extending from T1-T3 and a smaller left paraspinal lesion at C6-C7...
March 28, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29575826/paraganglioma-cytomorphologic-features-radiologic-and-clinical-findings-in-12-cases
#9
J Judd Fite, Zahra Maleki
BACKGROUND: The cytologic diagnosis of paraganglioma can be challenging because of its rarity, wide anatomic distribution, and variable cytomorphological features. DESIGN: The Johns Hopkins Hospital pathology archives were searched for fine-needle aspiration (FNA) specimens confirmed as paraganglioma on histology (2003-2015). RESULTS: Twelve specimens from 10 patients (6 males and 4 females) with an age range of 16-81 years (mean = 47) were included...
March 25, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29574223/spinal-sclerosing-epithelioid-fibrosarcoma-at-the-cervicothoracic-junction
#10
Jing Zhang, Dean Chou
BACKGROUND: Sclerosing epithelioid fibrosarcoma (SEF) is an unusual variant of fibrosarcoma that was previously considered to be a low-grade tumor with an indolent course. To our knowledge, the spine is a rare primary site for SEF, with only a few cases reported to date. CASE DESCRIPTION: We report a case of SEF occurring in the cervicothoracic spine of a 64-year-old male with complaints of neck pain and right hand tingling for 6 months prior to presentation. Imaging revealed a large mass that extended from C5 to T1 in the right posterior paraspinal soft tissues, involvement of the posterior elements from C6 to T1, and infiltration of the T1 vertebral body...
March 21, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29570034/split-laminotomy-versus-conventional-laminotomy-postoperative-outcomes-in-pediatric-patients
#11
Elsa V Arocho-Quinones, Amie Kolimas, Peter S LaViolette, Bruce A Kaufman, Andrew B Foy, Marike Zwienenberg, Sean M Lew
OBJECTIVE Split laminotomy is a technique for accessing the spinal canal from the posterior midline that minimizes muscle dissection and bone removal. Benefits of this approach in minimizing postoperative pain and muscle atrophy in the adult population have been reported, but pediatric data are limited. Herein, the authors evaluate the benefits of the split laminotomy technique in pediatric patients. METHODS Data obtained in patients who underwent posterior spine surgery at Children's Hospital of Wisconsin for an intradural midline pathology between April 2008 and June 2015 were reviewed retrospectively...
March 23, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29567350/progressive-fat-replacement-of-muscle-contributes-to-the-disease-mechanism-of-patients-with-single-large-scale-deletions-of-mitochondrial-dna
#12
Gitte Hedermann, Julia R Dahlqvist, Nicoline Løkken, Christoffer R Vissing, Kirsten Lykke Knak, Linda Kahr Andersen, Carsten Thomsen, John Vissing
Muscle dysfunction in mitochondrial myopathy is predominantly caused by insufficient generation of energy. We hypothesise that structural changes in muscles could also contribute to their pathophysiology. The aims of this study were to determine fat fractions and strength in selected muscles in patients with chronic progressive external ophthalmoplegia (CPEO), and compare progression of muscle fat fraction with age in individuals with CPEO vs. healthy controls and patients with the m.3243A>G mutation of mitochondrial DNA (mtDNA)...
February 21, 2018: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/29564611/a-review-of-lumbosacral-transitional-vertebrae-and-associated-vertebral-numeration
#13
REVIEW
Jayson Lian, Nicole Levine, Woojin Cho
PURPOSE: To review the current literature on methods of accurate numeration of vertebral segments in patients with Lumbosacral transitional vertebrae (LSTVs). LSTVs are a common congenital anomaly of the L5-S1 junction. While their clinical significance has been debated, unquestionable is the need for their identification prior to spinal surgery. We hypothesize that there are no reliable landmarks by which we can accurately number transitional vertebrae, and thus a full spinal radiograph is required...
March 21, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29564476/population-based-study-of-age-and-sex-related-differences-in-muscle-density-and-size-in-thoracic-and-lumbar-spine-the-framingham-study
#14
F Johannesdottir, B Allaire, D E Anderson, E J Samelson, D P Kiel, M L Bouxsein
Relative age-related deficit in trunk muscle density was greater in women than men whereas the relative decrease in muscle mass with age was similar in both sexes. The greater muscle fat content and greater age-related fat accumulation among women may contribute to women suffering more functional disabilities than men. INTRODUCTION: A better understanding of the effect of aging on trunk musculature will have implications for physical function, disability, pain, and risk of injury in older adults...
March 22, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29561507/an-11-year-old-male-with-vertebral-osteomyelitis-and-a-paraspinal-abscess
#15
Ioannis Kopsidas, Rodanthi Margariti, Maria Gavra, Angeliki Syngelou, Christos Zambakidis, Maria Tsolia, Nikolaos Nikolaidis, Nikos Spyridis
We report the case of an 11 year-old immunocompetent patient presenting with a two-week history of upper back pain, diagnosed with thoracic vertebral osteomyelitis and a paraspinal abscess due to Bartonella henselae. He was treated with gentamicin and doxycycline followed by oral rifampicin and doxycycline with favorable outcome.
March 15, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29541565/right-site-wrong-route-cannulating-the-left-internal-jugular-vein
#16
Peter Paik, Sanjay K Arukala, Anupam A Sule
Central venous catheters are placed in approximately five million patients annually in the US. The preferred site of insertion is one with fewer risks and easier access. Although the right internal jugular vein is preferred, on occasion, the left internal jugular may have to be accessed. A patient was admitted for septic shock, cerebrovascular accident, and non-ST-segment elevation myocardial infarction. A central venous line was needed for antibiotic and vasopressor administration. Due to trauma from a fall to the right side and previously failed catheterization attempts at the left subclavian and femoral veins, the left internal jugular vein was accessed...
January 9, 2018: Curēus
https://www.readbyqxmd.com/read/29528711/abdominal-attenuation-values-on-virtual-and-true-unenhanced-images-obtained-with-third-generation-dual-source-dual-energy-ct
#17
Pierre Durieux, Pierre Alain Gevenois, Alain Van Muylem, Nigel Howarth, Caroline Keyzer
OBJECTIVE: The purpose of this study is to investigate the magnitude of differences between attenuation values measured on virtual unenhanced images and true unenhanced images obtained using third-generation dual-source dual-energy CT (DECT). SUBJECTS AND METHODS: A total of 83 patients requiring thoracoabdominal CT for cancer workup were included in this prospective study. CT examinations included true unenhanced acquisitions (tube potential, 120 kVp) and arterial and portal phase dual-energy CT (DECT) acquisitions (tube potential, 100 kVp and Sn 150 kVp [where Sn denotes the interposition of a tin filter in the high-energy beam]; tube current-exposure time product, 190 and 95 mAs)...
March 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29527396/how-to-perform-the-wiltse-posterolateral-spinal-approach-technical-note
#18
A Guiroy, A Sícoli, N Gonzalez Masanés, A Morales Ciancio, M Gagliardi, A Falavigna
Background: The paraspinal, posterolateral, or Wiltse approach is an old technique that observes the principles of an MIS procedure. The aim of this study was to provide a step-by-step description from the literature of the Wiltse paraspinal approach and analyze its main advantages and limitations. Methods: Here, we provide a step-by-step description of the Wiltse approach. Utilizing PubMed and Lilacs and the Mesh terms "Wiltse approach," "paraspinal approach," "muscle sparing approach," and "lumbar spine," we identified 10 papers...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29523013/a-clinical-study-on-axial-symptoms-and-imaging-changes-in-paraspinal-muscles-after-cervical-posterior-open-door-laminoplasty
#19
Hao Yin, Guang Han, Qiang Li, Xuejun He, Congyang Wang
OBJECTIVE: This research aimed to gain a better understanding of the relationship between cervical posterior open-door laminoplasty on axial symptoms, the net cross-sectional area of paraspinal muscles, and the degree of pimelosis. METHOD: A retrospective study was conducted on a consecutive series of 37 patients who had underwent cervical posterior open-door laminoplasty + lateral mass fixation and bone graft fusion between January 2015 and July 2015. All patients received postoperative examinations at 6 months and 18 months after the operation...
March 9, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29521808/electromyographic-study-of-thoracic-paraspinal-and-rectus-abdominis-muscles-in-amyotrophic-lateral-sclerosis
#20
Thomas Zambelis, Pinelopi Koutsoudaki, Evangelos Anagnostou, Panagiotis Kokotis, Nikolaos Karandreas
PURPOSE: The aim of our study was the comparison of active denervation (fibrillation and/or positive sharp wave potentials) in thoracic paraspinal muscles with rectus abdominis in patients with definite amyotrophic lateral sclerosis. METHODS: Ninety-five consecutive patients with clinically definite amyotrophic lateral sclerosis according to the revised El Escorial criteria were studied prospectively over a 5-year period. Concentric needle electromyogram was performed in thoracic paraspinal muscles, in the rectus abdominis at the T9 level, and in limb muscles...
March 6, 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
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