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https://www.readbyqxmd.com/read/28089679/efficacy-and-toxicity-of-intravitreous-chemotherapy-for-retinoblastoma-four-year-experience
#1
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
https://www.readbyqxmd.com/read/28058762/vernal-like-conjunctivitis-in-a-western-lowland-gorilla-gorilla-gorilla-gorilla
#2
Jane S Hopper, Ellen Holding, Emma J Scurrell, Heidi Featherstone
CASE DESCRIPTION: A 17-year-old female western lowland gorilla presented with bilateral ocular discharge, conjunctivitis, and rhinitis that was investigated and treated over a 34-month period. Clinical findings, diagnostic results, treatment, and follow-up are described. CLINICAL FINDING: A mild intermittent mucoid ocular discharge was initially noted. 10 months later, conjunctival hyperemia and thickening developed and progressed rapidly to a mass-like lesion covering the right eye...
January 5, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28034080/ocular-salvage-and-vision-preservation-using-a-topotecan-based-regimen-for-advanced-intraocular-retinoblastoma
#3
Rachel C Brennan, Ibrahim Qaddoumi, Shenghua Mao, Jianrong Wu, Catherine A Billups, Clinton F Stewart, Mary Ellen Hoehn, Carlos Rodriguez-Galindo, Matthew W Wilson
Purpose To evaluate topotecan-based therapy for advanced intraocular retinoblastoma. Patients and Methods Twenty-seven patients with bilateral retinoblastoma (male patients, n = 14; median age, 8.4 months) received chemotherapy: two courses of topotecan plus vincristine followed by three alternating administrations of carboplatin and vincristine for two courses and topotecan plus vincristine for one course, with optional periocular carboplatin. Focal therapy was applied after cycle 2. Event-free survival was defined as avoidance of external-beam radiotherapy (EBRT) and enucleation...
January 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28019092/systemic-neoadjuvant-chemotherapy-for-group-b-intraocular-retinoblastoma-aret0331-a-report-from-the-children-s-oncology-group
#4
Debra L Friedman, Mark Krailo, Doojduen Villaluna, Dan Gombos, Bryan Langholz, Rima Jubran, Carol Shields, Linn Murphree, Joan O'Brien, Sandra Kessel, Carlos Rodriguez-Galindo, Murali Chintagumpala, Anna T Meadows
PURPOSE: To evaluate a chemoreduction regimen using systemic vincristine and carboplatin (VC) and local ophthalmic therapies to avoid external-beam radiotherapy (EBRT) or enucleation in patients with Group B intraocular retinoblastoma. PATIENTS AND METHODS: Twenty-one patients (25 eyes) were treated with six cycles of VC, accompanied by local ophthalmic therapies after cycle 1. The primary study objective was to determine the 2-year event-free survival (EFS) where an event was defined as the use of systemic chemotherapy in addition to vincristine or carboplatin, EBRT, and/or enucleation...
December 26, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28009404/vogt-koyanagi-harada-syndrome-uveomeningoencephalitic-syndrome
#5
Katerina Manethova, Jan Ernest, Michal Hrevus
PURPOSE: To report a case of a 29-year-old man who was examined at the Eye Clinic of Central Military University Hospital Prague for a severe headache and acute blurring of vision in both eyes diagnosed as incomplete Vogt-Koyanagi-Harada syndrome (VKH). METHODS: This is a retrospective and descriptive case report based on data from clinical records, patient observation and follow-ups and analysis of acquired diagnostic tests. RESULTS: A 29-year-old man presented with headache and decreased vision in his left eye (LE) for 2 days...
November 25, 2016: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28009348/the-state-of-ocular-health-among-london-s-homeless-population
#6
N Sawers
PurposeTo investigate the demographics, visual impairment, and diagnoses of patients presenting to Vision Care for Homeless People (VCHP), Crisis clinics for London's under-researched homeless population.Patients and methodsTwo hundred eighty-three patients records, including data on sociodemographic, diabetic status, visual acuity, and ocular examination, via a comprehensive eye test were reviewed from the VCHP clinics held at 10 London 'Crisis at Christmas' centres in 2014.ResultsTwo hundred eighty-three individual patients were seen at the VCHP clinics...
December 23, 2016: Eye
https://www.readbyqxmd.com/read/27977837/optical-coherence-tomography-angiography-in-a-normal-iris
#7
Davide Allegrini, Giovanni Montesano, Alfredo Pece
BACKGROUND AND OBJECTIVE: Optical coherence tomography angiography (OCTA) is a new imaging technique for examining the macular region in many retinal diseases. The aim of this study was to assess the applicability of OCTA to detect iris vascularization. PATIENTS AND METHODS: The irises of 28 eyes of 14 patients were examined with AngioVue OCT (Optovue, Fremont, CA). The usual technique was modified using the AngioRetina mode, but with the anterior segment optical adaptor lens, and without autofocus, while making manual adjustments...
December 1, 2016: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/27975266/identification-of-tau-toxicity-modifiers-in-the-drosophila-eye
#8
Pierre Dourlen
Drosophila is a powerful model to study human diseases thanks to its genetic tools and ease of screening. Human genes can be expressed in targeted organs and their toxicity assessed on easily scorable external phenotypes that can be used as readout to perform genetic screen of toxicity modifiers. In this chapter, I describe how to express human Tau protein in the Drosophila eye, assess protein expression by western blot, assess Tau toxicity by quantifying the size of the Tau-induced rough eye, and perform a genetic screen of modifiers of Tau toxicity in the Drosophila eye...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27965263/primary-intravenous-chemotherapy-for-group-d-retinoblastoma-a-13-year-retrospective-analysis
#9
Ido D Fabian, Andrew W Stacey, Kenneth P Johnson, Zerrin Onadim, Tanzina Chowdhury, Catriona Duncan, M Ashwin Reddy, Mandeep S Sagoo
BACKGROUND: Eye salvage rate for group D retinoblastoma using intravenous chemotherapy (IVC) as a primary modality is <50%. To report on 13 years' experience with the use of primary IVC for group D retinoblastoma. METHODS: A retrospective analysis of 64 group D eyes (52 patients) treated with primary IVC, from 2002 to 2014. RESULTS: The median age at presentation was 11.0 months (mean: 18.6, range: 0.6-144.0), 35 (67%) patients had bilateral disease, 38 (73%) germline disease and 8 (15%) cases were familial...
January 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27960234/more-than-meets-the-eye-the-changing-face-of-histopathology
#10
REVIEW
James C E Underwood
This personal reflection on trends in histopathology over the past 50 years draws upon experience of professional training and practice in the specialty in the UK. Developments during this period often resulted from new therapies (and their adverse effects) necessitating greater precision in the histopathological classification of disease, for which morphology alone can be insufficient. Conversely, histopathology has contributed to advances in our understanding of disease, leading directly to novel and more effective treatments...
January 2017: Histopathology
https://www.readbyqxmd.com/read/27931995/descriptive-epidemiology-of-deployment-related-medical-conditions-and-shipboard-training-related-injuries-in-a-chinese-navy-population
#11
R-R Qi, J-Q Wang, L-L Pan, W Zhou, J-L Liu, J-T Ju, Y-L Cai
OBJECTIVES: To investigate the deployment-related medical conditions and shipboard tactical training-related injuries in a Chinese Navy population. STUDY DESIGN: A retrospective study with the Chinese Navy was conducted. METHODS: The medical records of 1543 Navy crewmembers from 2011 to 2015 were collected. The distribution and incidence rate (IR) of different types of medical conditions were provided and compared between the Aden Gulf deployment and nondeployment periods...
December 2016: Public Health
https://www.readbyqxmd.com/read/27914366/rapid-and-low-cost-biosensor-for-the-detection-of-staphylococcus-aureus
#12
Ghadeer A R Y Suaifan, Sahar Alhogail, Mohammed Zourob
Staphylococcus aureus (S. aureus) is one of the most common etiological agents in hospital-acquired infections and food-borne illness. S. aureus toxins and virulence proteases often circulate in host blood vessels leading to life-threatening diseases. Standard identification approaches include bacterial culturing method, which takes several days. Other nucleic acid-based methods were expensive and required trained personnel. To surmount these limitations, a paper-based biosensor was developed. The sensing mechanism was based on the proteolytic activity of S...
April 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27886224/intravitreal-infusion-a-novel-approach-for-intraocular-drug-delivery
#13
Jiao Tian, Jia Liu, Xiao Liu, Yangyan Xiao, Luosheng Tang
Intraocular injection has become an increasingly important intervention in the treatment of posterior segment diseases. However, an acute intraocular pressure (IOP) elevation after intravitreal injection is a common concern. This study aimed to evaluate the efficacy of intravitreal infusion in maintaining stable IOP in a rabbit model. Trypan blue (TB) 0.06% with an external pump was used to evaluate intravitreal infusion in rabbit eyes. Groups A (50 μL), B (100 μL), C (150 μL), and D (200 μL) were slowly infused over 30 minutes with TB...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27877085/the-evolving-functions-of-autophagy-in-ocular-health-a-double-edged-sword
#14
REVIEW
Peiwei Chai, Hongyan Ni, He Zhang, Xianqun Fan
Autophagy plays an adaptive role in cell survival, development, differentiation and intracellular homeostasis. Autophagy is recognized as a 'self-cannibalizing' process that is active during stresses such as starvation, chemotherapy, infection, ageing, and oxygen shortage to protect organisms from various irritants and to regenerate materials and energy. However, autophagy can also lead to a form of programmed cell death distinct from apoptosis. Components of the autophagic pathway are constitutively expressed at a high level in the eye, including in the cornea, lens, retina, and orbit...
2016: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/27800245/chemotherapy-in-retinoblastoma-current-approaches
#15
REVIEW
Özge Yanık, Kaan Gündüz, Kıvılcım Yavuz, Nurdan Taçyıldız, Emel Ünal
Retinoblastoma (RB) is the most common childhood malignant intraocular tumor. Although enucleation and external beam radiotherapy have been historically used, today the most commonly used eye-sparing approach is chemotherapy. Chemotherapy can be used in both intraocular and extraocular RB cases. Chemotherapeutic agents may be applied in different ways, including systemic, subconjunctival, intra-arterial and intravitreal routes. The main purposes of application of systemic therapy are to reduce the tumor size for local treatment (chemoreduction), or to reduce the risk of metastasis after enucleation surgery (adjuvant therapy)...
December 2015: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/27786797/first-record-of-fibropapillomatosis-in-a-green-turtle-chelonia-mydas-from-the-baja-california-peninsula
#16
Eduardo Reséndiz, Sergio Flores-Ramírez, Volker Koch, Amaury Cordero-Tapia
Fibropapillomatosis (FP) is characterized by multiple fibroepithelial tumors in all parts of the skin and has been reported in sea turtles worldwide. Clinically infected individuals are often emaciated and anemic. In Mexico, however, there are few records of this disease. In this study of green turtles Chelonia mydas in Laguna San Ignacio in Baja California Sur (BCS), we noted one juvenile with multifocal fibropapilloma lesions on the external upper surface of its eyes and hind flippers. Light microscopy revealed hyperkeratosis, epidermal hyperplasia, dermal papillary projections, and fibroblast proliferation...
December 2016: Journal of Aquatic Animal Health
https://www.readbyqxmd.com/read/27716959/first-record-of-tetramicra-brevifilum-in-lumpfish-cyclopterus-lumpus-l
#17
F Scholz, E Fringuelli, M Bolton-Warberg, M Marcos-López, S Mitchell, P Prodhol, D Moffet, P Savage, S Murphy O'Sullivan, I O Connor, E McCarthy, H D Rodger
A microsporidian species with 98.3-98.4% nucleotide identity to Tetramicra brevifilum (Journal of Fish Diseases, 3, 1980, 495) was diagnosed in lumpfish (Cyclopterus lumpus, L.) broodstock held at a breeding and rearing facility in western Ireland. The fish were wild-caught from the west coast of Ireland, and the first case was diagnosed one year after capture. Clinical signs included severe bloating, lethargy, exophthalmos, anorexia, white patches on the cornea and externally visible parasitic cysts on skin and fins...
September 22, 2016: Journal of Fish Diseases
https://www.readbyqxmd.com/read/27625164/morphological-and-functional-changes-in-recalcitrant-diabetic-macular-oedema-after-intravitreal-dexamethasone-implant
#18
Pierluigi Iacono, Maurizio Battaglia Parodi, Matteo Scaramuzzi, Francesco Bandello
BACKGROUND: To evaluate the effects of dexamethasone implant in eyes affected by recalcitrant diabetic macular oedema (DME) associated with proliferative diabetic retinopathy (PDR). METHODS: Thirteen consecutive patients with centre-involving DME associated with PDR, central macular thickness (CMT) ≥300 µm, previous therapy with panretinal photocoagulation, focal/grid laser treatment and anti-vascular endothelial growth factor injection were prospectively enrolled...
September 13, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27612182/the-zebrafish-eye-a-paradigm-for-investigating-human-ocular-genetics
#19
REVIEW
R Richardson, D Tracey-White, A Webster, M Moosajee
Although human epidemiological and genetic studies are essential to elucidate the aetiology of normal and aberrant ocular development, animal models have provided us with an understanding of the pathogenesis of multiple developmental ocular malformations. Zebrafish eye development displays in depth molecular complexity and stringent spatiotemporal regulation that incorporates developmental contributions of the surface ectoderm, neuroectoderm and head mesenchyme, similar to that seen in humans. For this reason, and due to its genetic tractability, external fertilisation, and early optical clarity, the zebrafish has become an invaluable vertebrate system to investigate human ocular development and disease...
September 9, 2016: Eye
https://www.readbyqxmd.com/read/27510024/radiation-therapy-for-primary-eyelid-cancers-in-tunisia
#20
A Belaid, C Nasr, M Benna, A Cherif, O Jmour, H Bouguila, F Benna
Management of eyelid cancers is based on surgery and/or radiotherapy (RT). The treatment objective is to control tumors with acceptable functional and esthetic outcomes. The aim of this study was to evaluate the results of radiation therapy in management of epithelial eyelid cancers, reviewing retrospectively the clinical records of patients treated in our institution from January 1989 to December 2013. We focused on clinical and histological features, treatment characteristics, tolerance and disease control...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
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