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https://www.readbyqxmd.com/read/29666776/simultaneous-median-and-ulnar-compression-neuropathy-secondary-to-a-giant-palmar-lipoma-a-case-report-and-review-of-the-literature
#1
Melih Unal, Engin Demirayak, Baver Acar, Ozkan Kose
Lipomas are benign tumors that rarely settle in the hand. They usually present with mass, pain, and nerve compression symptoms. Although isolated median or ulnar nerve compression neuropathy secondary to a lipoma of the hand has been widely reported, simultaneous median and ulnar nerve compression neuropathy are exceedingly rare and there are only three reported cases in the current literature to date. Herein, a case of a 50-year-old woman with a giant palmar lipoma that caused median and ulnar compression neuropathy is presented...
February 16, 2018: Curēus
https://www.readbyqxmd.com/read/29666075/rogue-one-a-story-of-tophaceous-gout-in-the-spine
#2
Karthik Dwarki, Andy Dothard, Bryan Abadie, Matthew C Miles
A 26-year-old man with history of extensive tophaceous gout presented to the referring facility with decreased bilateral lower extremity sensation and motor function that began acutely 1 week prior to admission and had progressed to urinary incontinence. The patient was admitted to the intensive care unit due to concern for sepsis secondary to epidural abscess. The patient was started on empiric vancomycin and cefepime. Neurosurgery did not recommend acute neurosurgical intervention given the lack of a compressive lesion...
April 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29661220/asymmetrical-degenerative-marrow-modic-changes-in-cervical-spine-prevalence-correlative-factors-and-surgical-outcomes
#3
Xianda Gao, Jia Li, Yiqing Shi, Shaoqing Li, Yong Shen
BACKGROUND: The current study aimed to discuss the prevalence and surgical outcomes of the asymmetrical Modic changes and identify its correlative factors by multivariate logistic regression analysis. METHODS: Two hundred seventy-eight patients with single-level Modic changes and nerve compression symptoms were reviewed retrospectively from January 2008 to January 2015. 1.5-T MRI was performed to determine the Modic changes. Multivariate logistic regression analysis was used to identify the correlative factors of asymmetrical Modic changes...
April 16, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29660250/a-sensitive-high-throughput-and-eco-friendly-method-for-the-determination-of-lumefantrine-artemether-and-its-active-metabolite-dihydroartemisinin-by-supercritical-fluid-chromatography-and-tandem-mass-spectrometry
#4
Yinxian Yang, Hailing Gao, Shanshan Hou, Ruijuan Su, Hongzh Uo Liu, Jin Sun
A quick and sensitive supercritical fluid chromatography with tandem mass spectrometry method for the simultaneous determination of lumefantrine, artemether and its active metabolite dihydroartemisinin in rat plasma was developed and validated. The chromatographic separation was performed on an ACQUITY UPC2 ™ BEH 2-EP column within 2.5 min by gradient elution using compressed CO2 and methanol containing 2 mM ammonium acetate as the mobile phases. Detection was achieved by multiple reaction monitoring using electrospray ionization in the positive ionization mode...
April 16, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29657892/inversion-recovery-sequences-improve-delineation-of-optic-pathways-in-the-proximity-of-suprasellar-lesions
#5
Herwin Speckter, José Bido, Giancarlo Hernandez, Diones Rivera, Luis Suazo, Santiago Valenzuela, Rafael Fermin, Jairo Oviedo, Bernd Foerster, Cesar Gonzalez, Peter Stoeter
Introduction: In Gamma Knife Radiosurgery (GKRS) of suprasellar lesions, the exact localization of the visual pathways is important to avoid radiation induced optic neuropathy (RION). Reliable identification of the optic nerve, chiasm and tracts can be challenging using routine magnetic resonance imaging, especially in patients with lesions compressing the optic structures or in patients who had prior operation of suprasellar tumors. This study investigates the application of inversion recovery sequences (Fast gray and white matter acquisition T1 inversion recovery, FGATIR) to improve identification of the optic pathway...
2018: Journal of Radiosurgery and SBRT
https://www.readbyqxmd.com/read/29650401/opthalmological-sequelae-due-to-paintball-injuries-case-studies
#6
A C Peñaranda, A Montoya, A P Arciniegas, C López-de-Mesa
OBJECTIVE: Describe the ophthalmological sequelae of patients diagnosed with blunt eye injury by paintball. MATERIAL AND METHODS: There were a total 14 cases with a diagnosis of blunt trauma by paintball were treated at the ophthalmology emergency department of the Barraquer Clinic in Bogotá, Colombia. All patients underwent a complete ophthalmological examination with their respective controls according to their outcome. RESULTS: The frequency of eye trauma by paintball was 3...
April 9, 2018: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29650014/correlation-analysis-between-the-magnetic-resonance-imaging-characteristics-of-osteoporotic-vertebral-compression-fractures-and-the-efficacy-of-percutaneous-vertebroplasty-a-prospective-cohort-study
#7
Wei Xu, Silian Wang, Chao Chen, Yifan Li, Yunhan Ji, Xiaodong Zhu, Zhikun Li
BACKGROUND: To explore the relationship between the magnetic resonance imaging (MRI) characteristics of osteoporotic vertebral compression fractures (OVCFs) and the efficacy of percutaneous vertebroplasty (PVP). METHODS: A prospective study was conducted to analyze the clinical and imaging data of 93 patients with OVCFs treated via PVP. A visual analogue scale (VAS), the Oswestry Disability Index (ODI), and the Medical Outcomes Study(MOS) 36-Item short-form health survey (SF-36) were completed before surgery as well as 1 day and 1, 6, and 12 months after surgery...
April 12, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29644301/pseudoaneurysm-of-brachial-artery-a-rare-cause-of-median-nerve-compression
#8
João Lobo, Mariana Cunha Ferreira, Pedro Negrão Ramos
Background: The authors present an unusual clinical case of high median nerve compression caused by an iatrogenic pseudoaneurysm of the brachial artery after an angiography with a follow up of 9 months. Methods: A 73-year-old male was seen with progressive numbness, loss of opponency and diminution of strength of finger flexion in the left hand after an angiography with direct puncture of the left humeral artery. Physical examination revealed a hard consistency internal distal arm swelling with the size of a walnut, non-pulsatile and with a Tinel sign on percussion...
April 2018: Trauma Case Reports
https://www.readbyqxmd.com/read/29644042/laparoscopic-approach-to-non-communicating-intestinal-duplication-cyst-in-adult
#9
Jorge F Tufiño, Darwin S Espin, Miguel A Moyon, Fernando X Moyon, Jaime M Cevallos, Lenin J Guzmán, Gabriel A Molina
Intestinal duplication is rare congenital pathology generally diagnosed in infancy or early childhood. Presentation in adults is extremely rare. We present a case of a 36-year-old otherwise healthy female patient without any past medical history. She presented with a month of lower abdominal pain, clinical examination revealed pain and a palpable mass in the lower abdomen. CT scan confirmed a cystic mass dependent of the cecum wall and colonoscopy showed an extrinsic compression of the lateral wall of the ascending colon...
April 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29628716/clinical-outcomes-of-percutaneous-vertebroplasty-for-selective-single-segment-dorsolumbar-vertebral-compression-fractures
#10
Arun-Kumar Kaliya-Perumal, Tung-Yi Lin
Overview of literature: Elderly patients sustaining a trivial fall may develop vertebral compression fractures if they are predisposed to any factor that leads to decreased bone mineral density. Such patients suffer with severe pain and disability during the early healing stages. Percutaneous Vertebroplasty is mainly done to provide immediate pain relief and also believed to offer stability to the compressed vertebra by preventing further collapse. Methods: Selected patients [n = 20; Age = 57...
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29625309/risk-factors-for-significant-intraoperative-blood-loss-during-unilateral-expansive-open-door-cervical-laminoplasty-for-cervical-compressive-myelopathy
#11
Yang Meng, Xiaofei Wang, Hua Chen, Ying Hong, Tingkui Wu, Beiyu Wang, Yuxiao Deng, Hao Liu
OBJECTIVE: Unilateral expansive open-door cervical laminoplasty is an effective and safe procedure for cervical compressive myelopathy, but occasionally is accompanied with significant intraoperative blood loss (SIBL). The aim of the present study was to elucidate the risk factors for SIBL in patients undergoing cervical laminoplasty for multilevel cervical compressive myelopathy, and to identify the effect of SIBL on neurological complication. METHODS: A total of 215 patients who received cervical laminoplasty between January 2010 and August 2016 were enrolled in the study...
April 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29619251/spinal-subdural-hematoma-and-ankylosing-spondylitis-case-report-and-review-of-literature
#12
Darian R Esfahani, Harsh P Shah, Mandana Behbahani, Gregory D Arnone, Ankit I Mehta
Introduction: Spinal subdural hematomas are rare, disabling hemorrhages. Ankylosing spondylitis (AS) is a relatively common inflammatory condition of the spine that can progress to a fragile, unstable fusion vulnerable to fracture. While spinal epidural hematomas have been described, subdural hematomas to date have not been reported in AS. In this report, we describe the unique case of a patient on warfarin with AS who developed a spinal subdural hematoma and fracture in the absence of trauma...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29617905/microvascular-decompression-of-facial-nerve-and-pexy-of-the-left-vertebral-artery-for-left-hemifacial-spasm-3-dimensional-operative-video
#13
Chun-Yu Cheng, Rakshith Shetty, Vicente Martinez, Laligam N Sekhar
A 73-yr-old man presented with intractable left hemifacial spasm of 4 yr duration. Brain magnetic resonance imaging showed significant compression of left facial nerve by the left vertebral artery (VA) and anterior inferior cerebellar artery (AICA).The patient underwent a left retrosigmoid craniotomy and a microvascular decompression of the cranial nerve (CN) VII. Intraoperatively, we found that the distal AICA had a protracted subarcuate extradural course.1 This was relieved by intra/extradural dissection...
March 29, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29614744/properties-of-two-variety-natural-luffa-sponge-columns-as-potential-mattress-filling-materials
#14
Yuxia Chen, Kaiting Zhang, Fangcheng Yuan, Tingting Zhang, Beibei Weng, Shanshan Wu, Aiyue Huang, Na Su, Yong Guo
Luffa sponge (LS) is a resourceful material with fibro-vascular reticulated structure and extremely high porosity, which make it a potential candidate for manufacturing light mattress. In this study, two types of LS columns, namely high-density (HD) and low-density (LD) columns, were investigated as materials for filling the mattress. The results showed that the compressive strength of HD LS columns was significantly greater than that of LD LS columns. However, the densification strains of the two types of LS column were both in the range of 0...
March 31, 2018: Materials
https://www.readbyqxmd.com/read/29614704/constitutively-reduced-sensory-capacity-promotes-better-recovery-after-spinal-cord-injury-sci-in-blind-rats-of-the-dystrophic-rcs-strain
#15
Svenja Rink, Habib Bendella, Kurdin Alsolivany, Carolin Meyer, Aliona Woehler, Ramona Jansen, Zeynep Isik, Gregor Stein, Sina Wennmachers, Makoto Nakamura, Doychin N Angelov
BACKGROUND: We compared functional, electrophysiological and morphological parameters after SCI in two groups of rats Sprague Dawley (SD) rats with normal vision and blind rats from a SD-substrain "Royal College of Surgeons" (SD/RCS) who lose their photoreceptor cells after birth due to a genetic defect in the retinal pigment epithelium. For these animals skin-, intramuscular-, and tendon receptors are major available means to resolve spatial information. OBJECTIVE: The purpose of this study was to check whether increased sensitivity in SD/RCS rats would promote an improved recovery after SCI...
March 25, 2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29614273/powder-compression-properties-of-paracetamol-paracetamol-hydrochloride-paracetamol-cocrystals-and-coformers
#16
Ann-Sofie Persson, Hamzah Ahmed, Sitaram Velaga, Göran Alderborn
The objective was to study the relationship between crystal structure, particle deformation properties and tablet-forming ability for the monoclinic form of paracetamol (PRA), two cocrystals and a salt crystal of PRA in addition to two coformers (oxalic acid and 4,4'-bipyridine). Thus, the structure - property - performance relationship was investigated. Analytical powder compression was used for determination of effective plasticity, as inferred from the Heckel yield pressure and the Frenning parameter, and the elastic deformation was determined from in-die tablet elastic recovery...
March 31, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29610569/respiratory-motion-correction-for-compressively-sampled-free-breathing-cardiac-mri-using-smooth-l-1-norm-approximation
#17
Muhammad Bilal, Jawad Ali Shah, Ijaz M Qureshi, Kushsairy Kadir
Transformed domain sparsity of Magnetic Resonance Imaging (MRI) has recently been used to reduce the acquisition time in conjunction with compressed sensing (CS) theory. Respiratory motion during MR scan results in strong blurring and ghosting artifacts in recovered MR images. To improve the quality of the recovered images, motion needs to be estimated and corrected. In this article, a two-step approach is proposed for the recovery of cardiac MR images in the presence of free breathing motion. In the first step, compressively sampled MR images are recovered by solving an optimization problem using gradient descent algorithm...
2018: International Journal of Biomedical Imaging
https://www.readbyqxmd.com/read/29610004/-bell-s-palsy
#18
S Prud'hon, N Kubis
Idiopathic peripheral facial palsy, also named Bell's palsy, is the most common cause of peripheral facial palsy in adults. Although it is considered as a benign condition, its social and psychological impact can be dramatic, especially in the case of incomplete recovery. The main pathophysiological hypothesis is the reactivation of HSV 1 virus in the geniculate ganglia, leading to nerve edema and its compression through the petrosal bone. Patients experience an acute (less than 24 hours) motor deficit involving ipsilateral muscles of the upper and lower face and reaching its peak within the first three days...
March 30, 2018: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29609905/injectable-silk-protein-microparticle-based-fillers-a-novel-material-for-potential-use-in-glottic-insufficiency
#19
Joseph E Brown, Christopher P Gulka, Jodie E M Giordano, Maria P Montero, Anh Hoang, Thomas L Carroll
OBJECTIVES AND HYPOTHESIS: A novel, silk protein-based injectable filler was engineered with the intention of vocal fold augmentation as its eventual intended use. This injectable filler leverages the unique properties of silk protein's superior biocompatibility, mechanical tunability, and slow in vivo degradation to one day better serve the needs of otolaryngologists. This paper intends to demonstrate the mechanical properties of the proposed novel injectable and to evaluate its longevity in animal models...
March 30, 2018: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29609390/compressive-hyperspectral-imaging-recovery-by-spatial-spectral-non-local-means-regularization
#20
Pablo Meza, Ivan Ortiz, Esteban Vera, Javier Martinez
Hyperspectral imaging systems can benefit from compressed sensing to reduce data acquisition demands. We present a new reconstruction algorithm to recover the hyperspectral datacube from limited optically compressed measurements, exploiting the inherent spatial and spectral correlations through non-local means regularization. The reconstruction process is solved with the help of split Bregman optimization techniques, including penalty functions defined according to the spatial and spectral properties of the scene and noise sources...
March 19, 2018: Optics Express
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