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https://www.readbyqxmd.com/read/28533868/-rare-medico-surgical-emergency-spinal-epidural-abscess-about-3-cases
#1
Abderrazzak El Saqui, Mohamed Aggouri, Mohamed Benzagmout, Khalid Chakour, Mohamed El Faiz Chaoui
The awareness about infections in the epidural space is increasing thanks to the development of neurosurgery, including MRI. Spinal epidural abscess is a rare pathology but extremely serious from a functional point of view and potentially life threatening. We report three cases of male patients (the first one aged 52 years, the second 57 years and the third 63 years) with diagnosed spinal epidural abscess. Two patients were admitted to the Neurosurgical Emergencies with slow progressive spinal cord compression evolving in the context of infection...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28501955/a-case-of-arteriovenous-fistula-of-the-cauda-equina-fed-by-the-proximal-radicular-artery-anatomical-features-and-treatment-precautions
#2
Satoru Tanioka, Naoki Toma, Hiroshi Sakaida, Yasuyuki Umeda, Hidenori Suzuki
PURPOSE: Arteriovenous fistula (AVF) of the cauda equina (CE) fed by the proximal radicular artery (PRA) is very rare, and the differentiation from that of the filum terminale (FT) is important to avoid treatment-related injury to the CE when endovascular treatment is selected. The authors describe a case of AVF of the CE fed by the PRA, demonstrate the anatomical features and discuss the treatment precautions. METHODS: A 69-year-old man presented with a transient weakness of lower limbs...
May 13, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28501945/macrophage-polarization-differs-between-apical-granulomas-radicular-cysts-and-dentigerous-cysts
#3
Manuel Weber, Tilo Schlittenbauer, Patrick Moebius, Maike Büttner-Herold, Jutta Ries, Raimund Preidl, Carol-Immanuel Geppert, Friedrich W Neukam, Falk Wehrhan
OBJECTIVES: Apical periodontitis can appear clinically as apical granulomas or radicular cysts. There is evidence that immunologic factors are involved in the pathogenesis of both pathologies. In contrast to radicular cysts, the dentigerous cysts have a developmental origin. Macrophage polarization (M1 vs M2) is a main regulator of tissue homeostasis and differentiation. There are no studies comparing macrophage polarization in apical granulomas, radicular cysts, and dentigerous cysts...
May 13, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28492740/selective-cox-2-inhibitor-meloxicam-and-tooth-supporting-bone-quality-a-histomorphometric-study-in-rats
#4
Bruno César de Vasconcelos Gurgel, Krysna Torres de Almeida, Raniel Fernandes Peixoto, Kenio Costa Lima, Kamila Rosamilia Kantovitz, Francisco Humberto, Sergio de Toledo
The effects of the non-steroidal anti-inflammatory drugs (NSAIDs) on bone quantity and quality were investigated for years. However, there is lack of information on the impact of NSAIDs on the quality of tooth-supporting alveolar bone in absence of periodontal inflammation. Thus, the aim of this study was to evaluate histometrically the influence of a selective COX-2 NSAID (Meloxicam) on the inter-radicular bone mineral density in rats. Forty-nine adult male Wistar rats were randomly divided into four experimental groups: Subcutaneous injection of 0...
March 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28491486/crest-calcinosis-affecting-the-lumbar-and-cervical-spine-and-the-use-of-minimally-invasive-surgery
#5
Kassem Faraj, Kristin Perez-Cruet, Mick Perez-Cruet
Calcinosis in CREST (calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia) syndrome can affect the spinal and paraspinal areas. We present the first case to our knowledge where a CREST syndrome patient required surgery for spinal calcinosis in both the cervical and lumbar areas. A 66-year-old female with a history of CREST syndrome presented with right-sided lower extremity radicular pain. A computed tomography (CT) scan showed bilateral lumbar masses (5.8 cm on the right, 3...
April 8, 2017: Curēus
https://www.readbyqxmd.com/read/28491192/a-case-report-of-spinal-dural-arteriovenous-fistula-origins-determinants-and-consequences-of-abnormal-vascular-malformations
#6
Sherry M Zakhary, Christopher L Hoehmann, Joshua A Cuoco, Kyle Hitscherich, Hamid Alam, German Torres
A spinal dural arteriovenous fistula is an abnormally layered connection between radicular arteries and venous plexus of the spinal cord. This vascular condition is relatively rare with an incidence of 5-10 cases per million in the general population. Diagnosis of spinal dural arteriovenous fistula is differentiated by contrast-enhanced magnetic resonance angiography or structural magnetic resonance imaging, but a definitive diagnosis requires spinal angiography methods. Here, we report a case of a 67-year-old female with a spinal dural arteriovenous fistula, provide a pertinent clinical history to the case nosology, and discuss the biology of adhesive proteins, chemotactic molecules, and transcription factors that modify the behavior of the vasculature to possibly cause sensorimotor deficits...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28486232/osthole-a-coumadin-analog-from-cnidium-monnieri-l-cusson-ameliorates-nucleus-pulposus-induced-radicular-inflammatory-pain-by-inhibiting-the-activation-of-extracellular-signal-regulated-kinase-in-rats
#7
Hai-Xuan Wu, Yi-Min Wang, Hui Xu, Ming Wei, Qiu-Lan He, Mei-Na Li, Lai-Bao Sun, Ming-Hui Cao
AIM: This study was aimed at assessing the role of extracellular signal regulated kinase (ERK) in mechanical allodynia resulting from lumbar disc herniation (LDH) and exploring the osthole's anti-nociceptive effect on ERK activation. METHODS: Radicular pain was generated by applying nucleus pulposus (NP) to the L5 dorsal root ganglion (DRG). Allodynia was measured using Von Frey filaments to calculate the mechanical pain threshold. Phosphorylated ERK and total ERK protein in the lumbar spinal dorsal horn was detected by using the Western blot technique...
May 10, 2017: Pharmacology
https://www.readbyqxmd.com/read/28483706/clinical-classification-criteria-for-radicular-pain-caused-by-lumbar-disc-herniation-the-rapidh-criteria-radicular-pain-caused-by-disc-herniation
#8
Stéphane Genevay, Delphine S Courvoisier, Kika Konstantinou, Francisco M Kovacs, Marc Marty, James Rainville, Michael Norberg, Jean-François Kaux, Thomas D Cha, Jeffrey N Katz, Steven J Atlas
CONTEXT: Classification criteria are recommended for diseases that lack specific biomarkers in order to improve homogeneity in clinical research studies. Since imaging evidence of lumbar disc herniations (LDH) may not be associated with symptoms, clinical classification criteria based upon patient symptoms and physical examination findings are required. PURPOSE: This study aimed to produce clinical classification criteria to identify patients with radicular pain caused by LDH...
May 5, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28476468/does-the-removal-of-cementum-facilitate-bacterial-penetration-into-dentinal-tubules-in%C3%A2-vitro
#9
Asma Alyahya, Athbi Alqareer
INTRODUCTION: The importance of an intact layer of cementum on the root surface in preventing bacterial penetration into radicular dentin has not been sufficiently investigated. The aim of this in vitro study was to determine the effect of the absence of cementum from the root surface and the length of the infection period (2 or 4 weeks) on the maximum depth of bacterial penetration and the percentage of sectors lined with bacteria. METHODS: Sound, single-rooted extracted teeth with closed apices were randomly assigned to either a control group (cementum present [CP]) or an experimental group (cementum removed [CR])...
May 2, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28474582/delayed-extensive-lumbar-sub-dural-effusion-following-discectomy-clinical-imaging-and-case-report
#10
Arun-Kumar Kaliya-Perumal, Meng-Ling Lu, Fu-Cheng Kao, Chi-Chien Niu
Incidental durotomy during lumbar spine surgery is a commonly reported complication. Those presenting with cerebrospinal fluid (CSF) leak are usually recognized and repaired intraoperatively. In some circumstances, it may either be unrecognised or occur as a delayed complication. Such delayed occurrences cannot be predicted and its management remain a challenge to the surgeon, especially when it presents as a subdural effusion. We report a 55-year-old man who underwent mini open lumbar discectomy through left side for a prolapsed L4-L5 disc...
March 2017: BioMedicine
https://www.readbyqxmd.com/read/28473069/acr-appropriateness-criteria-%C3%A2-back-pain-child
#11
Timothy N Booth, Ramesh S Iyer, Richard A Falcone, Laura L Hayes, Jeremy Y Jones, Nadja Kadom, Abhaya V Kulkarni, John S Myseros, Sonia Partap, Charles Reitman, Richard L Robertson, Maura E Ryan, Gaurav Saigal, Bruno P Soares, Aylin Tekes-Brady, Andrew T Trout, Nicholas A Zumberge, Brian D Coley, Susan Palasis
It is now generally accepted that nontraumatic back pain in the pediatric population is common. The presence of isolated back pain in a child has previously been an indication for imaging; however, recently a more conservative approach has been suggested using clinical criteria. The presence of constant pain, night pain, and radicular pain, alone or in combination, lasting for 4 weeks or more, constitute clinical red flags that should prompt further imaging. Without these clinical red flags, imaging is likely not indicated...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28471875/genetic-predictors-of-recovery-in-low-back-and-lumbar-radicular-pain
#12
Siri Bjorland, Cecilie Røe, Aurora Moen, Elina Schistad, Aqsa Mahmood, Johannes Gjerstad
Previous data suggest that persistent back pain may be associated with genetic variability. In this study, we assessed the correlation between 8 genetic polymorphisms (VDR, COL11, MMP1, MMP9, IL-1á, IL-1RN, OPRM1, COMT) and pain recovery in patients with low back pain (LBP) and lumbar radicular pain (LRP). In total, 296 patients with LBP or LRP were followed for 5 years. The patients underwent standardized clinical examination and completed pain and function questionnaires. Univariate linear regression associations with p-values <0...
April 27, 2017: Pain
https://www.readbyqxmd.com/read/28469819/evaluation-of-antibacterial-efficacy-of-photodynamic-therapy-vs-2-5-naocl-against-e-faecalis-infected-root-canals-using-real-time-pcr-technique
#13
REVIEW
Maryam Janani, Farnaz Jafari, Mohammad Samiei, Farzaneh Lotfipour, Ailar Nakhlband, Negin Ghasemi, Tannaz Salari
BACKGROUND: Bacteria like E. faecalis can produce intra- and extra-radicular biofilms. Theoretically, the adjustable penetration ability of lasers enables better access to root canal system. Therefore the aim of the present study was to compare the ability of photoactivated laser and 2.5% NaOCl irrigation solution to eliminate E. faecalis from the root canals by real-time PCR technique. MATERIAL AND METHODS: Sixty extracted human upper central incisors were selected and sterilized in an autoclave...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28469818/prevalence-and-distribution-of-odontogenic-cysts-in-a-mexican-sample-a-753-cases-study
#14
Luis Villasis-Sarmiento, Javier Portilla-Robertson, Arcelia Melendez-Ocampo, Luis-Alberto Gaitan-Cepeda, Elba-Rosa Leyva-Huerta
BACKGROUND: Odontogenic cysts (OC) are the most frequent lesions of the jaws and their constant epidemiological update is necessary and indispensable. Therefore the principal objective of this report was To determine prevalence and clinical-demographical characteristics of OC in a Mexican sample. MATERIAL AND METHODS: 753 cases of OC coming from the archive of a head and neck histopathological teaching service, from January 2000 to December 2013, were included. OC cases were re-assessed according 2005 WHO classification...
April 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28467337/serial-magnetic-resonance-imaging-findings-in-subarachnoid-hemorrhage-due-to-an-initially-angiographically-occult-type-ii-spinal-aneurysm-case-report
#15
Michael Kogan, Simon Morr, Adnan H Siddiqui
BACKGROUND: Spinal aneurysms are rare causes of spontaneous subarachnoid hemorrhage. METHODS: We present an unusual, initially occult, case of an upper thoracic intradural extramedullary isolated aneurysm arising from the T2 intercostal-radicular circulation that was initially angiographically occult but was discovered due to unique, albeit nonspecific, magnetic resonance imaging findings of spinal cord T2 hyperintensity and contrast enhancement that were noted to progress with a clinical picture of ictal rehemorrhage...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28466022/ultrasonography-guided-lumbar-periradicular-injections-for-unilateral-radicular-pain
#16
Qing Wan, Shaoling Wu, Xiao Li, Caina Lin, Songjian Ke, Cuicui Liu, Wenjun Xin, Chao Ma
Objective. The aim of this study was to compare the accuracy and efficacy of sonographically guided lumbar periradicular injections through in-plane or out-of-plane approach techniques for patients with unilateral lower lumbar radicular pain. The feasibility and accuracy of these techniques were studied by means of computed tomography (CT). Methods. A total of 46 patients with chronic unilateral lumbar radicular pain were recruited and randomly assigned to either the in-plane or out-of-plane injection group...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28461044/influence-of-laser-irradiation-on-the-push-out-bond-strength-between-a-glass-fiber-post-and-root-dentin
#17
Karla G F Gomes, Natália S Faria, Walter R Neto, Vivian Colucci, Erica A Gomes
STATEMENT OF PROBLEM: A major issue related to the failure of endodontically treated teeth restored with an intraradicular post is gradual debonding of the glass fiber post, resin cement, and dentin. PURPOSE: The purpose of this in vitro study was to evaluate the influence of laser irradiation on the push-out bond strength of glass fiber posts to radicular dentin. MATERIAL AND METHODS: Thirty-two mandibular bovine incisors were endodontically treated and divided into 4 groups according to the surface treatment of the post: silane control (GC); irradiation with Er:YAG (GYAG); irradiation with Er,Cr:YSGG (GCR); and 980-nm diode laser (GDI) application...
April 28, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28460630/microrna-223-demonstrated-experimentally-in-exosome-like-vesicles-is-associated-with-decreased-risk-of-persistent-pain-after-lumbar-disc-herniation
#18
Aurora Moen, Daniel Jacobsen, Santosh Phuyal, Anna Legfeldt, Fred Haugen, Cecilie Røe, Johannes Gjerstad
BACKGROUND: Previous findings have demonstrated that lumbar radicular pain after disc herniation may be associated with up-regulation of inflammatory mediators. In the present study we examined the possible role of extracellular microRNAs (miRs) in this process. METHODS: Single unit recordings, isolation of exosome-like vesicles, electron microscopy, nanoparticle tracking analysis, western blot analysis and qPCR were used in rats to demonstrate the effect of nucleus pulposus (NP) applied onto the dorsal nerve roots...
May 1, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28460342/anterior-lumbar-interbody-fusion-with-percutaneous-pedicle-screw-fixation-for-multiple-level-isthmic-spondylolisthesis
#19
Chang-Sheng Hsieh, Hyung Chang Lee, Hyeong-Seok Oh, Sang-Joon Park, Byeong-Wook Hwang, Sang-Ho Lee
OBJECTIVE: Multiple-level lumbar isthmic spondylolisthesis is rarely reported. Here, we report 23 consecutive patients who underwent anterior lumbar interbody fusion (ALIF) with percutaneous pedicle screw fixation (PPF) for multiple-level isthmic spondylolisthesis. PATIENTS AND METHODS: From June 2008 through December 2014, multiple-level lumbar isthmic spondylolisthesis was diagnosed in 23 patients (6 men, 17 women) at Wooridul Spine Hospital (Busan, South Korea)...
April 13, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28458853/ectopic-meningioma-of-the-mandible-in-a-20-year-old-woman-a-case-report-and-literature-review
#20
Niklas Rommel, Oliver Bissinger, Andrea Rau, Thomas Muecke
Ectopic meningiomas are a very rare tumor entity. We present a case of a meningioma arising in the mandible of a young woman and initially supposed to be a radicular cyst. Histopathological and immunhistochemical evaluation showed typical cell characteristics of a meningioma. Only six cases of ectopic meningiomas in the mandible have been described in the literature until now, mainly in women at an advanced age and with surgical removal of all tumors. For the first time, no surgical excision has been performed in this case and follow-up control after 12 months showed no significant progression or increasing clinical complaints...
March 2017: Journal of Surgical Case Reports
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