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https://www.readbyqxmd.com/read/28297040/repair-of-total-tractional-retinal-detachment-in-norrie-disease-report-of-technique-and-successful-surgical-outcome
#1
Bozho Todorich, Aristomenis Thanos, Yoshihiro Yonekawa, Antonio Capone
Norrie disease is a rare, but devastating cause of pediatric retinal detachment, universally portending a poor visual prognosis. This paper describes successful surgical management of an infant with total retinal detachment associated with Norrie disease mutation. The infant was a full-term white male who presented with bilateral total funnel retinal detachments (RDs). He underwent genetic testing, which demonstrated single-point mutation 133 G>A transition in exon 2 of the NDP gene. The retinal detachment was managed with translimbal iridectomy, lensectomy, capsulectomy, and vitrectomy...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28292273/ocular-bacterial-infections-at-quiha-ophthalmic-hospital-northern-ethiopia-an-evaluation-according-to-the-risk-factors-and-the-antimicrobial-susceptibility-of-bacterial-isolates
#2
Mebrahtu Teweldemedhin, Muthupandian Saravanan, Araya Gebreyesus, Dawit Gebreegziabiher
BACKGROUND: External and intraocular infections can lead to visual impairments, which is a major public health problem. Bacteria are the most frequent pathogens affecting ocular structures; the increasing rate of antimicrobial drug resistance is a worldwide concern. The aim of this study was to determine the occurrence of bacteria in ocular infections, their antimicrobial susceptibility patterns, and risk factors in bacterial ocular infection. METHODS: A hospital based cross-sectional study was conducted from September 2015 to December 2015 at Quiha Ophthalmic Hospital, Tigray, northern Ethiopia...
March 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28282312/effects-of-the-external-environment-on-dry-eye-disease
#3
Margarita Calonge, Jose Pinto-Fraga, María J González-García, Amalia Enríquez-de-Salamanca, Alberto López-de la Rosa, Itziar Fernández, Alberto López-Miguel
No abstract text is available yet for this article.
2017: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/28275122/a-statistical-model-for-brain-networks-inferred-from-large-scale-electrophysiological-signals
#4
Catalina Obando, Fabrizio De Vico Fallani
Network science has been extensively developed to characterize the structural properties of complex systems, including brain networks inferred from neuroimaging data. As a result of the inference process, networks estimated from experimentally obtained biological data represent one instance of a larger number of realizations with similar intrinsic topology. A modelling approach is therefore needed to support statistical inference on the bottom-up local connectivity mechanisms influencing the formation of the estimated brain networks...
March 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28257379/use-of-crossed-polarizers-to-enhance-images-of-the-eyelids
#5
Ryan OʼSullivan, Lisa M Tom, Vatinee Y Bunya, William C Nyberg, Mina Massaro-Giordano, Ebenezer Daniel, Eli Smith, David H Brainard, James Gee, Maureen G Maguire, Richard A Stone
PURPOSE: To describe imaging of the external eye with Crossed Polarizers to enhance clinically important features in digital photographs of the eyelids. METHODS: External photographs with and without crossed polarizing filters were taken of patients with blepharitis and controls with no clinical eye pathology. RESULTS: Photographing eyelid skin through Crossed Polarizers decreased reflections on the skin surface and improved visualization of eyelid telangiectasias and blood vessels in patients with a broad range of skin pigmentation and ethnicities...
March 1, 2017: Cornea
https://www.readbyqxmd.com/read/28249091/subretinal-glial-membranes-in-eyes-with-geographic-atrophy
#6
Malia M Edwards, D Scott McLeod, Imran A Bhutto, Rhonda Grebe, Maeve Duffy, Gerard A Lutty
Purpose: Müller cells create the external limiting membrane (ELM) by forming junctions with photoreceptor cells. This study evaluated the relationship between focal photoreceptors and RPE loss in geographic atrophy (GA) and Müller cell extension into the subretinal space. Methods: Human donor eyes with no retinal disease or geographic atrophy (GA) were fixed and the eye cups imaged. The retinal posterior pole was stained for glial fibrillary acidic protein (GFAP; astrocytes and activated Müller cells) and vimentin (Müller cells) while the submacular choroids were labeled with Ulex Europaeus Agglutinin lectin (blood vessels)...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28236967/the-hippo-pathway-a-master-regulatory-network-important-in-development-and-dysregulated-in-disease
#7
Cathie M Pfleger
The Hippo Pathway is a master regulatory network that regulates proliferation, cell growth, stemness, differentiation, and cell death. Coordination of these processes by the Hippo Pathway throughout development and in mature organisms in response to diverse external and internal cues plays a role in morphogenesis, in controlling organ size, and in maintaining organ homeostasis. Given the importance of these processes, the Hippo Pathway also plays an important role in organismal health and has been implicated in a variety of diseases including eye disease, cardiovascular disease, neurodegeneration, and cancer...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28224275/the-english-national-screening-programme-for-diabetic-retinopathy-2003-2016
#8
Peter H Scanlon
The aim of the English NHS Diabetic Eye Screening Programme is to reduce the risk of sight loss amongst people with diabetes by the prompt identification and effective treatment if necessary of sight-threatening diabetic retinopathy, at the appropriate stage during the disease process. In order to achieve the delivery of evidence-based, population-based screening programmes, it was recognised that certain key components were required. It is necessary to identify the eligible population in order to deliver the programme to the maximum number of people with diabetes...
February 22, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28217268/anti-musk-positive-myasthenia-gravis-and-three-semiological-cardinal-signs
#9
André P C Matta, Ana C Andorinho F Ferreira, Arielle Kirmse, Anna Carolina Damm, João Gabriel D I B Farinhas, Mariane D Barbosa, Mayara C M Teles, Camila Fiorelli, Rossano Fiorelli, Osvaldo J M Nascimento, Marco Orsini
Myasthenia gravis (MG) is a relatively uncommon disorder with an annual incidence of approximately 7 to 9 new cases per million. The prevalence is about 70 to 165 per million. The prevalence of the disease has been increasing over the past five decades. This is thought to be due to better recognition of the condition, aging of the population, and the longer life span of affected patients. MG causes weakness, predominantly in bulbar, facial, and extra-ocular muscles, often fluctuating over minutes to weeks, in the absence of wasting, sensory loss, or reflex changes...
November 2, 2016: Neurology International
https://www.readbyqxmd.com/read/28209503/lymphoma-of-the-eyelid-an-international-multicenter-retrospective-study
#10
Frederik Holm Svendsen, Peter Kristian Rasmussen, Sarah E Coupland, Bita Esmaeli, Paul T Finger, Gerardo F Graue, Hans E Grossniklaus, Santosh G Honavar, Jwu Jin Khong, Penelope A McKelvie, Kaustubh Mulay, Elisabeth Ralfkiaer, Lene Dissing Sjö, Geeta K Vemuganti, Bradley A Thuro, Jeremy Curtin, Steffen Heegaard
PURPOSE: To document subtype-specific clinical features of lymphoma of the eyelid, and their effect on patient outcome. DESIGN: Retrospective observational case series. METHODS: Patient data were collected from 7 international eye cancer centers from January 1st 1980 through December 31st 2015. The cases included primary and secondary lymphomas affecting the eyelid. Overall survival, disease-specific survival (DSS), and progression-free survival were the primary end points...
February 13, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28205422/ophthalmologic-wax-models-as-an-educational-tool-for-18th-century-vision-scientists
#11
Fabio Zampieri, Francesco Comacchio, Alberto Zanatta
The Medical Faculties of the University of Padua (Italy) and the University of Vienna (Austria) preserved two series of wax models, made by the Austrian Johann Nepomuk Hoffmayr at the beginning of the 19th century. These models were created in a period of evolution of both medical specialties and organ pathology, which brought morbid organs at the centre of medical investigation. Ceroplastic was considered a useful tool for didactic and research, as it provided a three-dimensional realistically coloured reproduction of organic lesions...
February 16, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28195263/kikuchi-fujimoto-disease-a-clinicopathologic-update
#12
F Pepe, S Disma, C Teodoro, P Pepe, G Magro
Kikuchi-Fujmoto disease (KFD), also known as "histiocytic necrotizing lymphadenitis", is a rare lymphadenitis of unknown origin, but with an excellent prognosis. It is more common in Asia, but isolated cases are also reported in America, Africa and Europe. The disease can have an acute or subacute course, usually develops in 1 to 3 weeks, with spontaneous resolution in 1-4 months. The main clinical sign is cervical lymphadenopathy, especially in the posterior cervical triangle with bulky and painful lymph nodes, usually affecting only one side; rare cases of generalized lymphadenopathy can be seen...
September 2016: Pathologica
https://www.readbyqxmd.com/read/28190674/neuronal-loss-and-%C3%AE-synuclein-pathology-in-the-superior-colliculus-and-its-relationship-to-visual-hallucinations-in-dementia-with-lewy-bodies
#13
Daniel Erskine, Alan J Thomas, John-Paul Taylor, Michael A Savage, Johannes Attems, Ian G McKeith, Christopher M Morris, Ahmad A Khundakar
OBJECTIVE: Patients with dementia with Lewy bodies (DLB) often experience visual hallucinations, which are related to decreased quality of life for patients and increased caregiver distress. The pathologic changes that contribute to visual hallucinations are not known, but several hypotheses implicate deficient attentional processing. The superior colliculus has a role in visual attention and planning eye movements and has been directly implicated in several models of visual hallucinations...
January 10, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28166160/predictive-factors-for-development-of-neovascular-age-related-macular-degeneration-a-spectral-domain-optical-coherence-tomography-study
#14
Serena Fragiotta, Tommaso Rossi, Alessandro Cutini, Pier L Grenga, Enzo M Vingolo
PURPOSE: To investigate the risk factors predictive for the development of neovascular age-related macular degeneration (NVAMD) by means of spectral-domain optical coherence tomography. METHODS: Retrospective study of 73 eyes graded Stage 2 and Stage 3 according to the AMD International Grading System with minimum follow-up of 24 months. Drusenoid pigment epithelial detachment, hyperreflective foci, external limiting membrane, inner ellipsoid band, and retinal pigment epithelium integrity were analyzed at baseline and last follow-up...
February 3, 2017: Retina
https://www.readbyqxmd.com/read/28165853/biocompatibility-and-characterization-of-polyglycerol-based-thermoresponsive-nanogels-designed-as-novel-drug-delivery-systems-and-their-intracellular-localization-in-keratinocytes
#15
Christian Gerecke, Alexander Edlich, Michael Giulbudagian, Fabian Schumacher, Nan Zhang, Andre Said, Guy Yealland, Silke B Lohan, Falko Neumann, Martina C Meinke, Nan Ma, Marcelo Calderón, Sarah Hedtrich, Monika Schäfer-Korting, Burkhard Kleuser
Novel nanogels that possess the capacity to change their physico-chemical properties in response to external stimuli are promising drug-delivery candidates for the treatment of severe skin diseases. As thermoresponsive nanogels (tNGs) are capable of enhancing penetration through biological barriers such as the stratum corneum and are taken up by keratinocytes of human skin, potential adverse consequences of their exposure must be elucidated. In this study, tNGs were synthesized from dendritic polyglycerol (dPG) and two thermoresponsive polymers...
March 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28148953/retinopathy-signs-improved-prediction-and-reclassification-of-cardiovascular-disease-risk-in-diabetes-a-prospective-cohort-study
#16
Henrietta Ho, Carol Y Cheung, Charumathi Sabanayagam, Wanfen Yip, Mohammad Kamran Ikram, Peng Guan Ong, Paul Mitchell, Khuan Yew Chow, Ching Yu Cheng, E Shyong Tai, Tien Yin Wong
CVD risk prediction in diabetics is imperfect, as risk models are derived mainly from the general population. We investigate whether the addition of retinopathy and retinal vascular caliber improve CVD prediction beyond established risk factors in persons with diabetes. We recruited participants from the Singapore Malay Eye Study (SiMES, 2004-2006) and Singapore Prospective Study Program (SP2, 2004-2007), diagnosed with diabetes but no known history of CVD at baseline. Retinopathy and retinal vascular (arteriolar and venular) caliber measurements were added to risk prediction models derived from Cox regression model that included established CVD risk factors and serum biomarkers in SiMES, and validated this internally and externally in SP2...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28146362/epiphora-as-first-presenting-sign-of-primary-extranodal-nk-t-cell-lymphoma-of-the-lacrimal-sac
#17
Mikel Mikhail, René P Michel, Jeffrey Chankowsky, Bryan Arthurs
A 28-year-old Caucasian female presented with a six-month history of epiphora of the right eye. Diagnostic lacrimal syringing revealed obstruction of the right nasolacrimal duct. During external dacryocystorhinostomy (DCR), the lacrimal sac had an unusual papillary appearance. Frozen sections suggested malignant lymphoid cells. Pathologic examination revealed extranodal NK/T-cell lymphoma, nasal type. Imaging revealed a mass lesion centered on the lacrimal sac. The authors describe the youngest Caucasian patient with a primary NK/T-cell lymphoma of the lacrimal sac, as well as the first case presenting with epiphora as the sole presenting symptom, reported in the literature...
February 2017: Orbit
https://www.readbyqxmd.com/read/28133888/alterations-of-the-outer-retina-in-non-arteritic-anterior-ischemic-optic-neuropathy-detected-using-spectral-domain-optical-coherence-tomography
#18
Philipp Ackermann, Maike Brachert, Philipp Albrecht, Marius Ringelstein, David Finis, Gerd Geerling, Orhan Aktas, Rainer Guthoff
BACKGROUND: Changes in peripapillary and macular retinal layer thickness in non-arteritic anterior ischemic optic neuropathy (NAION) measured using spectral-domain optical coherence tomography may reflect a characteristic disease pattern. Advanced software enables retinal layer segmentation. In this study, we compared retinal layer thicknesses in acute and chronic NAION. DESIGN: A single-center cross-sectional analysis in a university clinic. PARTICIPANTS: 14 eyes with acute (<7 days) and 13 eyes with chronic NAION and 20 age-matched healthy eyes...
January 30, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28133071/-primary-malignant-melanoma-of-the-gallbladder
#19
Daisuke Ujiie, Kotaro Miyamoto, Hisashi Onozawa, Nobuhiro Hoshi, Koichi Nakayama, Kojiro Urazumi, Seiichi Takenoshita, Takashi Kusakabe
Primary malignant melanoma of the gallbladder is a rare disease, and 37 cases have been reported in the literature.The current patient was a 78-year-old man who was admitted with a pelvic tumor and left leg edema due to compression of the external iliac vein by the pelvic tumor.The edema improved following resection of the tumor, which was diagnosed at pathology as a malignant melanoma.After surgery, the patient became anorexic and complained of discomfort in the upper right abdomen.A whole body FDG-PET scan demonstrated significant uptake in the gallbladder and in the lymph nodes of the lower abdomen...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28089679/efficacy-and-toxicity-of-intravitreous-chemotherapy-for-retinoblastoma-four-year-experience
#20
Jasmine H Francis, Scott E Brodie, Brian Marr, Emily C Zabor, Ijah Mondesire-Crump, David H Abramson
PURPOSE: To investigate the efficacy and toxicity of intravitreous melphalan for treatment of retinoblastoma, as a single agent or with concomitant topotecan. PARTICIPANTS: A total of 130 eyes of 120 patients with retinoblastoma receiving 630 intravitreous (melphalan, topotecan) or topotecan periocular injections. A total of 83 (64%) of these eyes were treated with concomitant ophthalmic artery chemosurgery (OAC). DESIGN: Retrospective cohort study...
January 12, 2017: Ophthalmology
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