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Ultrasound in ophthalmology

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https://www.readbyqxmd.com/read/27920655/deep-vein-thrombosis-as-initial-manifestation-of-whipple-disease
#1
Mônica Souza de Miranda Henriques, Alexandre Rolim da Paz, Ana Beatriz Person Gaertner, Cibelle Ingrid Stephen Melo, Priscyanne Lins Filgueiras, Rafaella Alencar Jerome
INTRODUCTION: Wipple disease (WD) is a rare chronic disease caused by the bacillus Tropheryma whipplei. Constitutive, rheumatologic, gastrointestinal, cardiac, cerebral, lymphatic, cutaneous, and ophthalmological signs are possible systemic symptoms. However, thrombotic manifestations are rarely described as "stroke-like syndrome" or arterial thrombosis. Diagnosis is based on clinical manifestations and pathological examination. Laboratory findings may include anemia, leukocytosis, and thrombocytosis...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27908566/update-of-choroidal-imaging-techniques-past-present-and-future
#2
J Ruiz-Medrano, I Flores-Moreno, R Gutierrez-Bonet, J Chhablani, J M Ruiz-Moreno
The choroid is the middle layer of the eye, a very vascular and pigmented tissue, with its role in several ophthalmological pathologies already having been clearly established. But it was not until the last few years that we have been able to reliably and precisely measure and quantify its shape and thickness. Ultrasound technology and indocyanine green angiography were the first techniques used for the study of the choroid, and they still maintain their use and clinical indications for the diagnosis and management of several pathologies...
November 28, 2016: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/27907042/role-of-platelet-parameters-on-neovascular-glaucoma-a-retrospective-case-control-study-in-china
#3
Shengjie Li, Wenjun Cao, Xinghuai Sun
PURPOSE: Retinal vein occlusion (RVO) and diabetic retinopathy (DR) are two major sight-threatening diseases which may lead to neovascular glaucoma (NVG). The aim of this study was to explore the association between platelet parameters and NVG. METHODS: A total of 185 subjects were enrolled for the study from January, 2012 to December, 2015 at the Eye-ENT Hospital of Fudan University. Patients include those with NVG secondary to RVO (RVO group, n = 38), patients with NVG secondary to DR (DR group, n = 47), diabetics mellitus without retinopathy (DM group, n = 52), and healthy individuals (control group, n = 48)...
2016: PloS One
https://www.readbyqxmd.com/read/27896783/post-clear-corneal-phacoemulsification-endophthalmitis-profile-and-management-outcomes-at-a-tertiary-eye-care-center-in-western-india
#4
Aditya S Kelkar, Jai A Kelkar, Prajakta M Barve, Aishwarya Mulay, Shubhangi Sharma, Winfried Amoaku
BACKGROUND: Infectious endophthalmitis is a serious sight threatening intraocular inflammation that results from exogenous or endogenous spread of organisms into the eye.A retrospective case series to study the profile of endophthalmitis following clear corneal phacoemulsification in western India between years 2008 and 2014 was held in the National Institute of Ophthalmology, Pune, India. Cases of endophthalmitis post-clear corneal phacoemulsification were reviewed pertaining to demography, clinical history, surgeon experience, surgical complications, time of onset following surgery, duration between onset of symptoms and presentation to the center, presenting visual acuity and at follow-ups, slit-lamp examination and ultrasound findings, vitreous tap culture results, treatment, and final functional and anatomical outcomes...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27860475/-new-diagnostic-imaging-technique-shear-wave-elastography
#5
M Zemanová
Shear wave elastography (SWE) is a new non-invasive diagnostic imaging technique, that maps the elastic properties of tissues. Nowadays this modality develops increasingly in medicine across its disciplines and opens a new era of high-quality ultrasound examination because it increases the specificity and thus improves diagnostic assurance. This method is similar to manual palpation, shows elastic properties of biological tissues and provides a kind of reconstruction of the internal structure of soft tissues based on measurement of the response of tissue compression...
2016: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/27859469/fraser-syndrome-features-suggestive-of-prenatal-diagnosis-in-a-review-of-38-cases
#6
Aude Tessier, Mélie Sarreau, Fanny Pelluard, Gwenaelle André, Sophie Blesson, Martine Bucourt, Pierre Dechelotte, Laurence Faivre, Thierry Frébourg, Alice Goldenberg, Valérie Goua, Corinne Jeanne-Pasquier, Fabien Guimiot, Annie Laquerriere, Nicole Laurent, Mathilde Lefebvre, Philippe Loget, Martine Maréchaud, Charlotte Mechler, Marie-Josée Perez, Jean Christophe Sabourin, Alain Verloes, Sophie Patrier, Anne-Marie Guerrot
OBJECTIVE: Fraser syndrome (FS) is a rare malformation recessive disorder. Major criteria are cryptophtalmos, syndactyly, respiratory, genital and urinary tract anomalies. Few antenatal presentations have been reported. METHOD: We analyzed the prenatal and postnatal fetal phenotype in 38 cases of FS, including 25 pregnancy termination cases, 8 intra-uterine death cases and 4 cases that died after birth. RESULTS: Including both prenatal and postnatal fetal phenotypic evaluation, all cases presented dysmorphic features with nose and ear dysplasia...
November 17, 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27835961/macular-telangiectasia-type-2-accompanied-by-solitary-retinal-astrocytic-hamartoma-case-report
#7
Martin Pencak, Jan Krasny, Miroslav Veith, Magdalena Vokrojova
BACKGROUND: To present a coincidence of macular telangiectasia type 2 and solitary retinal astrocytic hamartoma in one patient. CASE PRESENTATION: A 50-year-old woman was examined in the Department of Ophthalmology of University hospital Kralovske Vinohrady for complaints of metamorphopsia in her left eye. Her uncorrected visual acuity (VA) was 4/4 on Early Treatment Diabetic Retinopathy Study charts (ETDRS), on the retina of her left eye white, prominent, partially calcified tumour 1 disc diameter in diameter, 1,5 disc diameter from the foveola was detected on the retina...
November 11, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27830057/automated-analysis-of-retinal-imaging-using-machine-learning%C3%A2-techniques-for-computer-vision
#8
Jeffrey De Fauw, Pearse Keane, Nenad Tomasev, Daniel Visentin, George van den Driessche, Mike Johnson, Cian O Hughes, Carlton Chu, Joseph Ledsam, Trevor Back, Tunde Peto, Geraint Rees, Hugh Montgomery, Rosalind Raine, Olaf Ronneberger, Julien Cornebise
There are almost two million people in the United Kingdom living with sight loss, including around 360,000 people who are registered as blind or partially sighted. Sight threatening diseases, such as diabetic retinopathy and age related macular degeneration have contributed to the 40% increase in outpatient attendances in the last decade but are amenable to early detection and monitoring. With early and appropriate intervention, blindness may be prevented in many cases. Ophthalmic imaging provides a way to diagnose and objectively assess the progression of a number of pathologies including neovascular ("wet") age-related macular degeneration (wet AMD) and diabetic retinopathy...
2016: F1000Research
https://www.readbyqxmd.com/read/27817914/enhanced-depth-imaging-optical-coherence-tomography-of-optic-nerve-head-drusen-a-comparison-of-cases-with-and-without-visual-field-loss
#9
Ghislaine L Traber, Konrad P Weber, Mazen Sabah, Pearse A Keane, Gordon T Plant
PURPOSE: Enhanced depth imaging (EDI) spectral-domain optical coherence tomography (SD OCT) has been recognized as the most sensitive tool to diagnose optic nerve head drusen (ONHD). The relationship between OCT characteristics and visual loss has not been well documented. This study compares EDI SD OCT-determined morphologic characteristics of drusen in eyes with or without visual field (VF) defects. DESIGN: Descriptive study of patients attending the neuro-ophthalmology service of Moorfields Eye Hospital between January 2013 and October 2014...
November 3, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27759862/first-travel-associated-congenital-zika-syndrome-in-the-us-ocular-and-neurological-findings-in-the-absence-of-microcephaly
#10
Camila V Ventura, Maria Paula Fernandez, Ivan A Gonzalez, Delia M Rivera-Hernandez, Roberto Lopez-Alberola, Maria Peinado, Angelica A Floren, Patricia A Rodriguez, Basil K Williams, Gabriela de la Vega Muns, Ana J Rodriguez, Catherin Negron, Brenda Fallas, Audina M Berrocal
A 6-day-old female baby with known diagnosis of congenital Zika infection was referred for ophthalmologic examination. The mother (37 years old) was referred for a pruritic rash, conjunctival hyperemia, and malaise at 12 weeks of gestation while still living in Venezuela. Upon arrival to Miami, Zika virus (ZIKV) exposure was confirmed during prenatal screening. At birth, due to the known exposure, a complete congenital ZIKV workup was performed, including brain ultrasound and MRI, which disclosed calcifications in the frontal lobe...
October 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27757007/focused-ultrasound-in-ophthalmology
#11
Ronald H Silverman
The use of focused ultrasound to obtain diagnostically significant information about the eye goes back to the 1950s. This review describes the historical and technological development of ophthalmic ultrasound and its clinical application and impact. Ultrasound, like light, can be focused, which is crucial for formation of high-resolution, diagnostically useful images. Focused, single-element, mechanically scanned transducers are most common in ophthalmology. Specially designed transducers have been used to generate focused, high-intensity ultrasound that through thermal effects has been used to treat glaucoma (via ciliodestruction), tumors, and other pathologies...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27743967/-idiopathic-intracranial-hypertension-experience-over-25-years-and-a-management-protocol
#12
Lorena Monge Galindo, Ruth Fernando Martínez, Cristina Fuertes Rodrigo, David Fustero de Miguel, Victoria Pueyo Royo, Juan Pablo García Iñiguez, Javier López-Pisón, José Luis Peña-Segura
INTRODUCTION: We present our experience on idiopathic intracranial hypertension (IIH), before and after the introduction of a specific diagnosis and management protocol. METHOD: A descriptive retrospective study was conducted on patients with IIH over a 25year period (1990-2015), comparing the last 7years (after introduction of the protocol) with the previous 18years. RESULTS: Among the 18,865 patients evaluated, there were 54 cases of IIH (29 infants and 25 children)...
October 13, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27712896/choroid-detachment-a-rare-cause-of-vision-loss-diagnosed-by-point-of-care-ultrasound
#13
Brian Jarrett, Michael Secko
BACKGROUND: Choroid detachment is a rare disease process that has a multitude of etiologies; usually related to recent ophthalmological surgery, eye trauma, corneal ulcers, or intraocular pressure-lowering agents. Point-of-care ocular ultrasound has high utility and accuracy in diagnosing pathology of the eye. CASE REPORT: We present a case of a patient who presented with vision loss caused by a choroid detachment diagnosed on point-of-care ultrasound because fundoscopic examination was limited due to cataracts...
October 3, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27703497/chronic-myelocytic-leukemic-fundus-lesion-a-case-report
#14
Le Wen Xu, Yinghua Zhang, Yan Liu, Yan Ding
The current study reports a case of a patient with a chronic myelocytic leukemic fundus lesion, initially diagnosed in the Department of Ophthalmology, Rizhao People's Hospital (Rizhao, China). A male, 23-years-of-age, presented with a dark shadow in the front of the right eye, accompanied with blurred vision for 3 days (visual acuity of right eye, 0.4; visual acuity of left eye, 0.6). In addition, the patient had experienced gingival bleeding for 2 years, and recurrent upper respiratory infections for 1 year...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27688279/prevalence-of-glaucoma-in-eastern-india-the-hooghly-river-glaucoma-study
#15
Chandrima Paul, Subhrangshu Sengupta, Sumit Choudhury, Souvik Banerjee, Betsy L Sleath
CONTEXT: Glaucoma is the leading cause of global irreversible blindness. No recent study with adequate sample size has been carried out to estimate glaucoma prevalence in Eastern India. AIMS: The aim of this study was to assess and compare the prevalence and types of glaucoma in a rural and urban East Indian population. SETTINGS AND DESIGN: The Hooghly River Glaucoma Study (HRGS) is a population-based cross-sectional study from West Bengal...
August 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27679735/fortuitous-diagnosis-of-full-stomach-made-by-using-ultrasonographic-examination-of-the-antrum-in-two-elective-patients
#16
Lionel Bouvet, Caroline Augris, Clémence Aubergy, Dominique Chassard
We report two cases of patients presenting for elective surgery, in whom significant gastric contents were identified by performing fortuitous ultrasound examination of their antral area. The first patient presented for a day-case surgery scheduled under regional anesthesia. With his consent, ultrasound examination of the antral area was by chance performed within the context of training for this technique, showing significant solid contents in the stomach. The patient admitted that he had not respected preoperative fasting...
September 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/27677014/2005-2015-ten-years-clinical-experience-in-treating-dmd-patients-by-corticosteroids-in-lyon
#17
Stéphanie Fontaine Carbonnel, Pascal Rippert, Isabelle Poirot, Dominique Gachet, Capucine de Lattre, Carole Vuillerot
OBJECTIVE: Since 2005, in France, corticosteroid therapy is now widely used in Duchenne muscular dystrophy (DMD). This treatment has changed our practice of pediatric rehabilitation teams. We describe here our 10-year clinical experience in treating DMD patients by CS according to international guidelines i.e. prednisone 0.75mg/kg/day started from the plateau of motor function. MATERIALS/PATIENTS AND METHODS: We conducted a prospective study. Information was given on the expected effects and side effects...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27664288/historical-perspectives-on-the-management-of-macular-degeneration-diabetic-retinopathy-and-retinal-detachment-personal-reminiscences
#18
Stuart L Fine, Morton F Goldberg, William Tasman
We were challenged and delighted when Dr. Sharon Solomon, guest editor of this Retina Supplement, invited us to reminisce about caring for patients with common retinal disorders before there was access to the diagnostic and therapeutic tools that are readily available today. We agreed to confine our remarks to 3 common, but serious, conditions: age-related macular degeneration (Dr. Fine), diabetic retinopathy (Dr. Goldberg), and retinal detachment (Dr. Tasman). Each of us completed our ophthalmology training about half a century ago...
October 2016: Ophthalmology
https://www.readbyqxmd.com/read/27623742/laser-thermal-therapy-monitoring-using-complex-differential-variance-in-optical-coherence-tomography
#19
William C Y Lo, Néstor Uribe-Patarroyo, Ahhyun S Nam, Martin Villiger, Benjamin J Vakoc, Brett E Bouma
Conventional thermal therapy monitoring techniques based on temperature are often invasive, limited by point sampling, and are indirect measures of tissue injury, while techniques such as magnetic resonance and ultrasound thermometry are limited by their spatial resolution.  The visualization of the thermal coagulation zone at high spatial resolution is particularly critical to the precise delivery of thermal energy to epithelial lesions. In this work, an integrated thulium laser thermal therapy monitoring system was developed based on complex differential variance (CDV), which enables the 2D visualization of the dynamics of the thermal coagulation process at high spatial and temporal resolution with an optical frequency domain imaging system...
September 14, 2016: Journal of Biophotonics
https://www.readbyqxmd.com/read/27585457/rabbit-hunter-uveitis-case-report-of-tularemia-uveitis
#20
Céline Terrada, Said Azza, Bahram Bodaghi, Phuc Le Hoang, Michel Drancourt
BACKGROUND: Literature reports on ophthalmological manifestations related to tularemia, a zoonose caused by the bacterium Francisella tularensis, largely refer to Parinaud's oculoglandular syndrome, which consists of the association of conjunctivitis with preauricular lymphadenitis. In this paper, we report a case of intraocular inflammation during tularemia infection. CASE PRESENTATION: A 52-year-old Caucasian man was diagnosed with unilateral uveitis. The uveitis was posterior, with a 2+ vitritis and a large yellowish lesion involving the macula with an overlying sub-retinal detachment, extending inferiorly, and subretinal hemorrhages...
2016: BMC Ophthalmology
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