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Optic neuritis

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https://www.readbyqxmd.com/read/27920210/neurosarcoidosis-unusual-presentations-and-considerations-for-diagnosis-and-management
#1
Walid Radwan, Brandon Lucke-Wold, Ibrahim Ahmed Robadi, Kymberly Gyure, Thomas Roberts, Sanjay Bhatia
BACKGROUND: Sarcoidosis is a chronic, multisystem disease characterised by non-necrotising granulomatous inflammation of unknown aetiology. Most commonly, the lungs, lymph nodes, skin and eyes are affected in sarcoidosis; however, nervous system involvement occurs in approximately 5%-15% of cases. Any part of the nervous system can be affected by sarcoidosis. CASES: Herein we describe three unusual patient presentations of neurosarcoidosis, one with optic neuritis, a second with hydrocephalus and a third with cervical myelopathy...
December 5, 2016: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/27919493/eleven-episodes-of-recurrent-optic-neuritis-of-the-same-eye-for-22-years-eventually-diagnosed-as-neuromyelitis-optica-spectrum-disorder
#2
Yih Chian Yew, Jyh Yung Hor, Thien Thien Lim, Ruban Kanesalingam, Yee Ming Ching, Masita Arip, P E Samuel Easaw, Gaik Bee Eow
It is difficult to predict whether a particular attack of neuromyelitis optica spectrum disorder (NMOSD) will affect the optic nerve [optic neuritis (ON): unilateral or bilateral], spinal cord (myelitis), brain or brainstem, or a combination of the above. We report an interesting case of recurrent ON of the same eye for a total of 11 episodes in a Chinese woman. Over a period of 22 years, the attacks only involved the left eye, and never the right eye and also no myelitis. For a prolonged duration, she was diagnosed as recurrent idiopathic ON...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27919490/quantitative-visual-tests-after-poorly-recovered-optic-neuritis-due-to-multiple-sclerosis
#3
Erin E Longbrake, Samantha Lancia, Nhial Tutlam, Kathryn Trinkaus, Robert T Naismith
BACKGROUND: Visual dysfunction in MS can be quantified using a variety of tests. Many vision tests have not been formally evaluated among MS patients with existing visual dysfunction. OBJECTIVE: Evaluate several versions of visual acuity and contrast sensitivity tests, measures of central and peripheral vision, retina structure, electrophysiologic function, and quality of life among MS patients with moderate/severe visual dysfunction. METHODS: Cross-sectional study of 46 patients with stable, incompletely recovered optic neuritis...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27906756/optic-neuritis-the-eye-as-a-window-to-the-brain
#4
Thomas M Jenkins, Ahmed T Toosy
PURPOSE OF REVIEW: Acute optic neuritis is a common clinical problem, requiring a structured assessment to guide management and prevent visual loss. The optic nerve is the most accessible part of the central nervous system, so optic neuritis also represents an important paradigm to help decipher mechanisms of damage and recovery in the central nervous system. Important developments include the advent of optical coherence tomography as a biomarker of central nervous system axonal loss, the discovery of new pathological antibodies, notably against aquaporin-4 and, more recently, myelin oligodendrocyte protein, and emerging evidence for sodium channel blockade as a novel therapeutic approach to address energy failure in neuroinflammatory disease...
November 30, 2016: Current Opinion in Neurology
https://www.readbyqxmd.com/read/27904589/pseudo-subarachnoid-hemorrhage-and-optic-neuritis-in-an-18-year-old-girl-with-sodium-valproate-overdose
#5
Bita Dadpour, Hassan Abbaspour, Ali Pourzahed, Ahmad Bagheri Moghadam
No abstract text is available yet for this article.
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27878586/-parainfectious-optic-neuritis-with-macular-infiltrate-in-neisseria-meningitidis-b-meningitis
#6
A Chronopoulos, F Hoogewoud, H Steffen, G Thumann
OBJECTIVE: We report on the case of a young immunocompetent female patient with parainfectious optic neuritis and macular inflitrate due to Neisseria meningitidis B meningitis. METHOD: Case report RESULTS: A 22-year-old female patient was admitted to the emergency department for intensive care treatment with a strong suspicion of meningitis. Clinical and serological parameters were indicative of a bacterial genesis of the meningitis. By analysis of the cerebrospinal fluid (CSF) Neisseria meningitidis type B could be detected...
November 23, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27862614/transorbital-sonography-and-visual-outcome-for-the-diagnosis-and-monitoring-of-optic-neuritis
#7
Piergiorgio Lochner, Maurizio A Leone, Klaus Fassbender, Roberto Cantello, Lorenzo Coppo, Raffaele Nardone, Gianni Zorzi, Martin Lesmeister, Cristoforo Comi, Francesco Brigo
BACKGROUND AND PURPOSE: Transorbital sonography (TOS) is a promising tool to support the clinical diagnosis of optic neuritis (ON) by showing thickening of optic nerve. In this study, we aimed to define its specific role in follow-up of ON patients. METHODS: We measured ultrasonography parameters and visual acuity (VA) at presentation and after 1 year in 45 patients with newly diagnosed ON. Two vascular sonographers used B-mode TOS to evaluate mean optic nerve diameter (OND) and optic nerve sheath diameter (ONSD)...
November 13, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27859858/diffusion-weighted-imaging-helps-differentiate-multiple-sclerosis-and-neuromyelitis-optica-related-acute-optic-neuritis
#8
Hailin Wan, Huijin He, Fang Zhang, Yan Sha, Guohong Tian
PURPOSE: To evaluate the apparent diffusion coefficient (ADC) values between multiple sclerosis (MS) and neuromyelitis optica (NMO)-related acute optic neuritis (ON) patients and predict their optic nerve atrophy of optic coherence tomography (OCT) parameters. MATERIALS AND METHODS: Nineteen MS and 15 NMO-related acute ON patients who underwent a diffusion-weighted imaging sequence in 3.0 Tesla MR scanner and a follow-up OCT examination after 6 months were included...
November 9, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27858936/retinal-ganglion-cell-and-axonal-loss-in-optic-neuritis-risk-factors-and-visual-functions
#9
T H Lee, Y S Ji, S W Park, H Heo
PurposeThe peripapillary retinal nerve fiber layer (pRNFL) and the macular ganglion cell-inner plexiform layer (GCIPL) are important predictive factors for the prognosis of optic neuritis (ON). We investigated the risk factors for pRNFL and GCIPL thinning in ON and its relationship with visual function.Patients and methodsWe analyzed 33 eyes of 33 patients with a first attack of unilateral ON. Patients were divided into two groups according to pRNFL and GCIPL thinning, using spectral-domain optical coherence tomography...
November 18, 2016: Eye
https://www.readbyqxmd.com/read/27858858/optic-neuritis-as-an-initial-presentation-of-primary-sj%C3%A3-gren-syndrome-a-case-report-and-literature-review
#10
Jia-Yue Sun, Zheng Liu, Peng Zhao, Tao Liu
BACKGROUND: Primary Sjögren syndrome (pSS) is a progressive autoimmune disease that primarily affects exocrine glands. The clinical presentation of pSS may vary from an asymptomatic condition to severe skin symptom, resulting in a difficult and challenging diagnosis and treatment. METHODS AND RESULTS: Here, we report a 47-year-old Chinese woman who lost vision in the right eye for 7 days. She had been misdiagnosed with primary optic neuritis for 3 months. After 3 months, the results of immunohistochemistry, salivary gland scintigraphy, and antibody tests proved the diagnosis of pSS...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27844165/myelin-oligodendrocyte-glycoprotein-mog-autoantibodies-as-potential-markers-of-severe-optic-neuritis-and-subclinical-retinal-axonal-degeneration
#11
Joachim Havla, T Kümpfel, R Schinner, M Spadaro, E Schuh, E Meinl, R Hohlfeld, O Outteryck
Antibodies against conformation-dependent epitopes of myelin-oligodendrocyte-glycoprotein (MOG-abs) are present in subgroups of neuromyelitis optica spectrum disorder (NMOSD), recurrent optic neuritis (rON), multiple sclerosis (MS), and anti-NMDAR encephalitis. Using optical coherence tomography (OCT) we assessed whether MOG-abs might serve as potential marker of retinal axonal degeneration. We investigated a clinically heterogeneous cohort of 13 MOG-abs-positive patients (4 MOG-abs-positive rON, 4 MOG-abs-positive adult MS, 3 MOG-abs-positive relapsing encephalomyelitis, 2 MOG-abs-positive aquaporin-4-abs-negative NMOSD)...
November 14, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27843238/optic-neuritis-with-secondary-retinal-venous-stasis-in-a-case-of-abdominal-tuberculosis
#12
Harshika Chawla, Vishal Vohra, Praveen Malik
The authors report a case of unilateral optic neuritis along with secondary retinal venous stasis in a patient diagnosed with abdominal tuberculosis. Patient presented with diminished visual acuity, colour perception and Marcus Gunn pupillary response, pointing towards optic nerve involvement. Associated findings of disc edema, dilated and tortuous veins, along with hemorrhages on disc and superotemporal quadrant made diagnosis of retinal venous stasis secondary to optic neuritis imperative. The visual outcome of the patient paralleled that expected with optic neuritis...
September 2016: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/27843231/anterior-ischemic-optic-neuropathy-following-dengue-fever
#13
Reshma Ramakrishnan, Saurabh Shrivastava, Shrikant Deshpande, Priyanka Patkar
Dengue fever is caused by a flavivirus. This infection is endemic in the tropics and warm temperate regions of the world. Ocular manifestations of dengue fever include subconjunctival, vitreous, and retinal haemorrhages; posterior uveitis; optic neuritis; and maculopathies, haemorrhage, and oedema. However anterior ischemic optic neuropathy is a rare presentation. Optic nerve ischemia most frequently occurs at the optic nerve head, where structural crowding of nerve fibers and reduction of the vascular supply may combine to impair perfusion to a critical degree and produce optic disc oedema...
September 2016: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/27831536/bilateral-chorioretinopathy-in-child-onset-systemic-lupus-erythematosus
#14
W G G Fischer, T O Kaé, R de Almeida, U L de Oliveira Filho, M A P Vilela, D B Araujo
Any of the various layers of the eye may suffer injury in systemic lupus erythematosus, ranging from keratoconjunctivitis sicca to retinopathy and optic neuritis. Rheumatologists must always be aware of ocular involvement in those patients since rapid diagnosis and a prompt intervention in those severe cases can prevent visual loss or even irreversible blindness. We present here the case of a 14-year-old girl who, despite a short period of disease, developed chorioretinopathy with transitory visual impairment with a good treatment response...
November 9, 2016: Lupus
https://www.readbyqxmd.com/read/27830211/clues-from-crouzon-insights-into-the-potential-role-of-growth-factors-in-the-pathogenesis-of-myelinated-retinal-nerve-fibers
#15
Giancarlo A Garcia, Jack J Tian, Supanut Apinyawasisuk, Sarah Kim, Handan Akil, Alfredo A Sadun
PURPOSE: We present a case of bilateral extensive peripapillary myelinated retinal nerve fibers (MRNF) in an individual with Crouzon syndrome, an inherited form of craniosynostosis caused by overactivation of fibroblast growth factor receptor 2. As a secondary aim, we examine the utility of optical coherence tomography (OCT) angiography for visualization of peripapillary vasculature obscured by myelination on other imaging modalities. METHODS: A 24-year-old woman with Crouzon syndrome was evaluated for suspected optic neuritis in the right eye...
December 2016: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/27816048/step-initiation-interferes-with-working-memory-in-nondisabled-patients-with-the-earliest-multiple-sclerosis-a-dual-task-study
#16
G Brecl Jakob, T Remšak, S Šega Jazbec, A Horvat Ledinek, U Rot
Balance and cognition are affected by multiple sclerosis (MS). Cognitive-motor interference (CMI) is important for balance impairment in MS, however little is known about CMI at the earliest stages of the disease. Step initiation (SI) with anticipatory postural adjustments (APAs) has been linked to postural instability and falls in subjects with MS, therefore we aimed to assess CMI between SI and the two storage systems of working memory in patients with clinically isolated syndrome (presented as optic neuritis-ON) suggestive of MS...
January 2017: Gait & Posture
https://www.readbyqxmd.com/read/27806869/serum-specam-1-and-svcam-1-levels-are-associated-with-conversion-to-multiple-sclerosis-in-patients-with-optic-neuritis
#17
Alicja Kalinowska-Łyszczarz, Sławomir Michalak, Mikołaj A Pawlak, Jacek Losy, Wojciech Kozubski
Platelet-Endothelial-Cell-Adhesion-Molecule-1 (PECAM-1) and Human-Vascular-CAM-1 (VCAM-1) are adhesion molecules involved in leukocyte-endothelial interaction. In our study serum levels of sPECAM-1 and sVCAM-1 were measured (ELISA) in twenty-nine patients during their first monosymptomatic optic neuritis (ON) episode. Anti-aquaporin-4-antibodies (AQP4-IgG) were detected with the cell-based assay. Patients were followed for seven years, during which 16/24 AQP4-IgG (-) patients developed MS and 2/5 AQP4-IgG (+) patients developed NMO...
November 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27804015/combined-brain-and-anterior-visual-pathways-mris-assist-in-early-identification-of-neuromyelitis-optica-spectrum-disorder-at-onset-of-optic-neuritis
#18
D Buch, J Savatovsky, O Gout, C Vignal, R Deschamps
Acute optic neuritis (ON) is the initial presentation in half of neuromyelitis optica spectrum disorder (NMO-SD) cases. Our objective was to evaluate accuracy of combined MRIs of the anterior visual pathways and of the brain to correctly identify NMO-SD among patients with acute ON. We performed a retrospective study on patients with acute ON in NMO-SD (16 episodes) and first-event non-NMO-SD (32 episodes). All MRIs included exams of the brain and anterior visual pathways using T2-weighted and post-gadolinium T1-weighted coronal thin slices...
November 1, 2016: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/27802825/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-3-brainstem-involvement-frequency-presentation-and-outcome
#19
Sven Jarius, Ingo Kleiter, Klemens Ruprecht, Nasrin Asgari, Kalliopi Pitarokoili, Nadja Borisow, Martin W Hümmert, Corinna Trebst, Florence Pache, Alexander Winkelmann, Lena-Alexandra Beume, Marius Ringelstein, Oliver Stich, Orhan Aktas, Mirjam Korporal-Kuhnke, Alexander Schwarz, Carsten Lukas, Jürgen Haas, Kai Fechner, Mathias Buttmann, Judith Bellmann-Strobl, Hanna Zimmermann, Alexander U Brandt, Diego Franciotta, Kathrin Schanda, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: Myelin oligodendrocyte glycoprotein antibodies (MOG-IgG) are present in a subset of aquaporin-4 (AQP4)-IgG-negative patients with optic neuritis (ON) and/or myelitis. Little is known so far about brainstem involvement in MOG-IgG-positive patients. OBJECTIVE: To investigate the frequency, clinical and paraclinical features, course, outcome, and prognostic implications of brainstem involvement in MOG-IgG-positive ON and/or myelitis. METHODS: Retrospective case study...
November 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27802824/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-4-afferent-visual-system-damage-after-optic-neuritis-in-mog-igg-seropositive-versus-aqp4-igg-seropositive-patients
#20
Florence Pache, Hanna Zimmermann, Janine Mikolajczak, Sophie Schumacher, Anna Lacheta, Frederike C Oertel, Judith Bellmann-Strobl, Sven Jarius, Brigitte Wildemann, Markus Reindl, Amy Waldman, Kerstin Soelberg, Nasrin Asgari, Marius Ringelstein, Orhan Aktas, Nikolai Gross, Mathias Buttmann, Thomas Ach, Klemens Ruprecht, Friedemann Paul, Alexander U Brandt
BACKGROUND: Antibodies against myelin oligodendrocyte glycoprotein (MOG-IgG) have been reported in patients with aquaporin-4 antibody (AQP4-IgG)-negative neuromyelitis optica spectrum disorders (NMOSD). The objective of this study was to describe optic neuritis (ON)-induced neuro-axonal damage in the retina of MOG-IgG-positive patients in comparison with AQP4-IgG-positive NMOSD patients. METHODS: Afferent visual system damage following ON was bilaterally assessed in 16 MOG-IgG-positive patients with a history of ON and compared with that in 16 AQP4-IgG-positive NMOSD patients...
November 1, 2016: Journal of Neuroinflammation
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