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https://www.readbyqxmd.com/read/27914117/endoresection-with-adjuvant-ruthenium-brachytherapy-for-selected-uveal-melanoma-patients-the-tuebingen-experience
#1
Daniela Süsskind, Carina Dürr, Frank Paulsen, Theodor Kaulich, Karl U Bartz-Schmidt
PURPOSE: To evaluate the treatment of selected patients with uveal melanoma with endoresection and adjuvant ruthenium brachytherapy. METHODS: Thirty-five patients with uveal melanoma not suitable for ruthenium plaque monotherapy were treated with endoresection and adjuvant ruthenium brachytherapy between January 2001 and October 2013. Recurrence-free survival, globe retention, course of visual acuity (VA), occurrence of therapy-related complications and metastasis-free and overall survival were analysed retrospectively...
December 3, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27899370/benign-reactive-lymphoid-hyperplasia-of-the-conjunctiva-in-childhood
#2
Adel G AlAkeely, Hind M Alkatan, Adel H Alsuhaibani, Hisham AlKhalidi, Leen Abu Safieh, Sarah E Coupland, Deepak P Edward
BACKGROUND/AIM: Our aim is to the report the clinical and histopathological features of benign reactive lymphoid hyperplasia (BRLH) of the conjunctiva in children and the outcomes of treatment. METHODS: A retrospective chart review was performed for children aged 0-18 years, diagnosed with conjunctival BRLH from January 2000 to December 2013 at two large ophthalmology hospitals in the Middle East. Data were collected on patient demographics, features of the lesions, the site of the lesion, location, adnexal involvement, lymph nodes involvement, local spread, histopathology and molecular genetic studies of the cases (if available), outcomes of treatment and recurrence...
November 29, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27895365/indications-of-enucleations-and-eviscerations-performed-at-a-tertiary-eye-care-unit-a-case-series
#3
Rashid Baig, Maheen Akhtar Syed, Khabir Ahmad, Tanveer Anjum Chaudhry
The retrospective study was planned to look at the indications of eye enucleations and eviscerations, and comprised all such procedures done at the Aga Khan University Hospital, Karachi, from January 2006 to December 2015. Data was collected regarding age at the time of procedure, gender, procedure type, indication for enucleation or evisceration, type of implant if used and complications. Of the 66 eyes of 65 individuals, 47 (71.2%) underwent evisceration and 19 (28.8%) enucleation. The mean age at the time of the procedures was 37...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27885090/the-impact-of-circadian-rhythms-on-medical-imaging-and-radiotherapy-regimes-for-the-paediatric-patient
#4
E Forssell-Aronsson, R A Quinlan
Daily rhythmic changes are found in cellular events in cell cycle, DNA repair, apoptosis and angiogenesis in both normal and tumour tissue, as well as in enzymatic activity and drug metabolism. In this paper, we hypothesize that circadian rhythms need to be considered in radiation protection and optimization in personalized medicine, especially for paediatric care. The sensitivity of the eye lens to ionizing radiation makes the case for limiting damage to the lens epithelium by planning medical radio-imaging procedures for the afternoon, rather than the morning...
November 24, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27877085/the-evolving-functions-of-autophagy-in-ocular-health-a-double-edged-sword
#5
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/27874261/outcome-of-intra-arterial-chemotherapy-for-retinoblastoma-and-its-influencing-factors-a-retrospective-study
#6
Miaojuan Chen, Hua Jiang, Jing Zhang, Gang Shen, Yizhou Jiang, Haibo Li, Zhenyin Liu
PURPOSE: Intra-arterial chemotherapy (IAC) has become an essential technique for the treatment of advanced and relapsed intra-ocular retinoblastoma. The outcome of IAC for retinoblastoma is influenced by a variety of medical and non-medical factors. In this study, we aimed to examine the outcome of IAC and determine the factors influencing clinical outcome. METHODS: A total of 107 eyes of 73 patients with retinoblastoma undergoing IAC between January 2011 and April 2013 were retrospectively reviewed for clinical outcomes...
November 22, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27873479/cytokine-and-chemokine-tear-levels-in-patients-with-uveitis
#7
Ester Carreño, Alejandro Portero, José M Herreras, Carmen García-Vázquez, Scott M Whitcup, Michael E Stern, Margarita Calonge, Amalia Enríquez-de-Salamanca
PURPOSE: To determine whether the levels of cytokines and chemokines in tears differ in uveitis patients and healthy subjects. METHODS: Ninety-two uveitis patients (mean age 46.4 years) and 157 control healthy subjects (mean age 49.5 years) were recruited. Subjects with ocular surface diseases such as dry eye were excluded from the study. Using multiplex bead-based assays, tears (4 μl) were analysed for the concentration of interleukin (IL)-1β, IL-1RA, IL-2, IL-6, IL-7, IL-8/CXCL8, IL-10, IL-12p70, IL-15, IL-17A, IL-23, epidermal growth factor (EGF), fractalkine/CX3CL1, interferon-γ, IP-10/CXCL10, monocyte chemo-attractant protein (MCP)-1/CCL2, tumour necrosis factor-α, vascular endothelial growth factor (VEGF), transforming growth factor (TGF)-β1, TGF-β2 and TGF-β3...
November 22, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27842504/epcam-as-multi-tumour-target-for-near-infrared-fluorescence-guided-surgery
#8
P B A A van Driel, M C Boonstra, H A J M Prevoo, M van de Giessen, T J A Snoeks, Q R J G Tummers, S Keereweer, R A Cordfunke, A Fish, J D H van Eendenburg, B P F Lelieveldt, J Dijkstra, C J H van de Velde, P J K Kuppen, A L Vahrmeijer, C W G M Löwik, C F M Sier
BACKGROUND: Evaluation of resection margins during cancer surgery can be challenging, often resulting in incomplete tumour removal. Fluorescence-guided surgery (FGS) aims to aid the surgeon to visualize tumours and resection margins during surgery. FGS relies on a clinically applicable imaging system in combination with a specific tumour-targeting contrast agent. In this study EpCAM (epithelial cell adhesion molecule) is evaluated as target for FGS in combination with the novel Artemis imaging system...
November 14, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27835961/macular-telangiectasia-type-2-accompanied-by-solitary-retinal-astrocytic-hamartoma-case-report
#9
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/27830766/decreased-postural-control-in-adult-survivors-of-childhood-cancer-treated-with-chemotherapy
#10
Einar-Jón Einarsson, Mitesh Patel, Hannes Petersen, Thomas Wiebe, Per-Anders Fransson, Måns Magnusson, Christian Moëll
The objective of cancer treatment is to secure survival. However, as chemotherapeutic agents can affect the central and peripheral nervous systems, patients must undergo a process of central compensation. We explored the effectiveness of this compensation process by measuring postural behaviour in adult survivors of childhood cancer treated with chemotherapy (CTS). We recruited sixteen adults treated with chemotherapy in childhood for malignant solid (non-CNS) tumours and 25 healthy age-matched controls. Subjects performed posturography with eyes open and closed during quiet and perturbed standing...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27813335/phosphorylation-of-h2a-x-tyr39-positively-regulates-dna-damage-response-and-is-linked-to-cancer-progression
#11
Yan Liu, Yue-Hong Long, Shu-Qing Wang, Yu-Feng Li, Jing-Hua Zhang
Double-stranded DNA breaks induce serine phosphorylation of histone H2A.X, producing γ-H2A.X foci that are then recognised by DNA damage response pathway proteins. Formation of γ-H2A.X is therefore critical for the repair of DNA double-stranded breaks and maintenance of genomic stability, and defects in the recognition or repair of double-stranded breaks can result in tumorigenesis. However, key details regarding the formation of γ-H2A.X and its possible role in tumorigenesis remain elusive. Here, we report a previously unknown phosphorylation site on H2A...
November 4, 2016: FEBS Journal
https://www.readbyqxmd.com/read/27790562/toxicity-profile-of-imrt-vs-3d-crt-in-head-and-neck-cancer-a-retrospective-study
#12
Gopa Ghosh, Ramanjis Tallari, Anupam Malviya
INTRODUCTION: Role of radiotherapy in comprehensive management of head and neck cancer for achieving tumour control and organ preservation is now well established and radiotherapy is routinely used in adjuvant setting after surgery, concurrently with chemotherapy or targeted agents and for palliation. Development of linear accelerator with Multileaf Collimator (MLC) have revolutionized radiation delivery techniques, allowing conformal and Intensity Modulated Radiotherapy (IMRT) to deliver highly conformal sculpted radiation dose to a very complex structure with improved sparing of adjoining critical structures like salivary glands, spinal cord, eyes, brainstem and larynx amounting to better therapeutic gain...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27761273/unusual-case-of-a-proptosed-eye-isolated-right-maxillary-neurofibroma
#13
Darren Yap, Hannah Fox, Julia Addams-Williams
Neurofibroma is a slow growing benign tumour of the peripheral nerve sheath which is frequently associated with neurofibromatosis type 1 (Prakash et al., 2014). Isolated solitary occurrence of neurofibroma in the maxillary sinus is rare with only 29 reported cases in the literature. We present a rare case of a 70-year-old gentleman who was referred to ENT with a right maxillary sinus neurofibroma with extension into the right inferior orbit. He has significant proptosis, ptosis, and limitation in abduction of the right eye...
2016: Case Reports in Pathology
https://www.readbyqxmd.com/read/27746220/collagen-xviii-in-tissue-homeostasis-and-dysregulation-lessons-learned-from-model-organisms-and-human-patients
#14
Ritva Heljasvaara, Mari Aikio, Heli Ruotsalainen, Taina Pihlajaniemi
Collagen XVIII is a ubiquitous basement membrane (BM) proteoglycan produced in three tissue-specific isoforms that differ in their N-terminal non-collagenous sequences, but share collagenous and C-terminal non-collagenous domains. The collagenous domain provides flexibility to the large collagen XVIII molecules on account of multiple interruptions in collagenous sequences. Each isoform has a complex multi-domain structure that endows it with an ability to perform various biological functions. The long isoform contains a frizzled-like (Fz) domain with Wnt-inhibiting activity and a unique domain of unknown function (DUF959), which is also present in the medium isoform...
October 13, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/27741435/ruthenium-106-brachytherapy-for-choroidal-melanoma-without-transpupillary-thermotherapy-similar-efficacy-with-improved-visual-outcome
#15
Marina Marinkovic, Nanda Horeweg, Marta Fiocco, Femke P Peters, Linda W Sommers, Mirjam S Laman, Jaco C Bleeker, Martijn Ketelaars, Gre P M Luyten, Carien L Creutzberg
PURPOSE: To evaluate efficacy and toxicity of two different protocols for eye-conserving treatment of patients with small to intermediate-sized choroidal melanomas; the current ruthenium-106 (Ru106) brachytherapy protocol and the preceding protocol of Ru106-brachytherapy with transpupillary thermotherapy (Ru106/TTT). METHODS AND MATERIALS: Long-term outcomes of 449 consecutive patients, of whom 196 (43.6%) treated using Ru106/TTT and 253 (56.3%) treated using Ru106, were compared in terms of local control, survival, eye preservation and visual outcome...
October 11, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27738538/neurofibromatosis-type-2-presenting-with-oculomotor-ophthalmoplegia-and-distal-myopathy
#16
Jessica Mani Penny Tevaraj, Evelyn Tai Li Min, Raja Azmi Mohd Noor, Azhany Yaakub, Wan Hazabbah Wan Hitam
Neurofibromatosis type 2 usually presents with bilateral acoustic schwannomas. We highlight the rare presentation of neurofibromatosis initially involving third nerve. A 23-year-old Malay female presented with left eye drooping of the upper lid and limitation of upward movement for 8 years. It was associated with right-sided body weakness, change in voice, and hearing disturbance in the right ear for the past 2 years. On examination, there was mild ptosis and limitation of movement superiorly in the left eye...
2016: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/27698609/epidemiological-analysis-of-ocular-melanoma-in-university-clinic-center-in-tuzla-bosnia-and-herzegovina
#17
Amra Nadarevic Vodencarevic, Vahid Jusufovic, Svjetlana Terzic, Musfaha Burgic, Meliha Halibasic, Mersiha Sinanovic
AIM: Melanoma represents a malignant tumour arising from melanocytes. Uveal melanoma is the most common primary ocular malignancy among the adult population. The aim of the study was to examine epidemiological characteristics of ocular melanoma in University Clinic Centre in Tuzla, Bosnia and Herzegovina from January 2001 till November 2015. METHODS AND MATERIALS: In this retrospective study we used all available medical documentation to investigate the clinical findings which included age, gender, tumour size, histopathological features and the precise anatomic origin of the ocular melanoma...
July 24, 2016: Materia Socio-medica
https://www.readbyqxmd.com/read/27698517/mortality-among-children-and-young-people-who-survive-cancer-in-northern-ireland
#18
D W Donnelly, A T Gavin
ABSTRACT: Whilst survival rates for childhood cancers are excellent, it is known that these patients have an increased risk of death from disease recurrence and other causes. We investigate patterns, trends and survival of cancers in children and young adults in N. Ireland. MATERIALS AND METHODS: 21 years (1993-2013) of cancer incidence data including non-malignant brain tumours from the N. Ireland Cancer Registry for persons aged 0-24 years was analysed using Joinpoint regresssion for trend and the Kaplan Meier method for survival analysis up to end 2013 with excess mortality calculated at one and five years after first cancer diagnosis using standardised mortality ratios...
September 2016: Ulster Medical Journal
https://www.readbyqxmd.com/read/27694105/establishment-of-a-novel-retinoblastoma-rb-nude-mouse-model-by-intravitreal-injection-of-human-rb-y79-cells-comparison-of-in-vivo-analysis-versus-histological-follow-up
#19
Alexander V Tschulakow, Ulrich Schraermeyer, H Peter Rodemann, Sylvie Julien-Schraermeyer
Retinoblastoma (Rb) is the most frequent primary intraocular tumour in children and, if left untreated, can cause death. Preclinical animal models that mimic molecular, genetic, and cellular features of cancers are essential for studying cancer and searching for promising diagnosis and treatment modalities. There are several models described for Rb, but none of them fully meet our requirements. The aim of this study was to create a novel xenograft-nude mouse-model with broad application possibilities, which closely resembles the clinical observations of Rb patients and which could be used to investigate the development and spread of the tumour by using scanning laser ophthalmoscopy/optical coherence tomography (SLO/OCT) as well as histology methods...
November 15, 2016: Biology Open
https://www.readbyqxmd.com/read/27662784/mechanisms-of-phosphene-generation-in-ocular-proton-therapy-as-related-to-space-radiation-exposure
#20
D Chuard, V Anthonipillai, R Dendale, C Nauraye, E Khan, C Mabit, L De Marzi, L Narici
Particle therapy provides an opportunity to study the human response to space radiation in ground-based facilities. On this basis, a study of light flashes analogous to astronauts' phosphenes reported by patients undergoing ocular proton therapy has been undertaken. The influence of treatment parameters on phosphene generation was investigated for 430 patients treated for a choroidal melanoma at the proton therapy centre of the Institut Curie (ICPO) in Orsay, France, between 2008 and 2011. 60% of them report light flashes, which are predominantly (74%) blue...
August 2016: Life Sciences in Space Research
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