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https://www.readbyqxmd.com/read/28530256/can-the-onset-of-orbital-cancer-be-the-result-of-a-prosthetic-eye
#1
A Croce, V Mastronardi, M Laus, E Festa Kotelnikova
Orbital exenteration is a disfiguring procedure performed for unresponsive orbital infections and control of recurrent benign tumours and malignancies arising from the eyelids (basal cell carcinoma, squamous cell carcinoma, conjunctival malignant melanoma), lachrymal glands (adenoid cystic carcinoma) or surrounding sinuses. In extremely rare cases the use of a prosthetic eye after enucleation can lead to anophthalmic socket tumours. We report the case of a 54-year-old man who had left eye enucleation due to recurring events of retinal detachment and who developed an invasive fast growing epidermoid carcinoma 30 years later...
May 22, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28524055/risk-factors-associated-with-relapse-of-eyelid-basal-cell-carcinoma-results-from-a-retrospective-study-of-142-patients
#2
Giusy Fatigato, Silvano Capitani, Daniela Milani, Silvia Grassilli, Ayman Am Alameen, Marco Candiani, Carlo Riberti, Marco Galasso, Maurizio Previati
Of skin cancers, 9% arise at the periocular level, constituting a significant threat due to the proximity to intracranial structures, such as the eyes, nerve endings and proximal tissues. Tumour recurrence can be frequent and represents a primary clinical challenge for the surgeon. To present a retrospective study on the treatment of eyelid tumours at a tertiary care centre in Italy over an eight-year period and, in particular, to underline the risk factors associated with tumour relapse. Among a cohort of 205 patients, a retrospective study was conducted on 142 basal cell carcinoma (BCC) patients with eyelid tumours treated with surgical excision...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28522115/interferon-alpha-2a-as-alternative-treatment-for-conjunctival-squamous-cell-carcinoma
#3
D Cruzado-Sánchez, M Salas-Diaz, W A Tellez, S E Alvarez-Matos, S Serpa-Frías
CASE REPORT: A 35 year-old male patient with a history of HIV infection characterized by progressive tumour growth in bulbar conjunctiva of the left eye, corresponding to conjunctival squamous cell carcinoma that responded to treatment with interferon alpha-2a. DISCUSSION: Interferon alpha-2b has been used at conjunctival level as a topical immunomodulator treatment, with complete remission of epithelial neoplasms being observed. However, there have not been any previous publications on the use of interferon alpha-2a, which differs from interferon alpha-2b in a single amino acid, for the treatment of conjunctival squamous cell carcinoma...
May 15, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28512124/use-of-propranolol-in-a-remote-region-of-rural-guatemala-to-treat-a-large-facial-infantile-haemangioma
#4
Vera Goldberg, Boris Martinez, Katia Cnop, Peter Rohloff
We present a female infant with a right-sided facial and neck haemangioma, from a remote, resource-poor community in rural Guatemala. She received first-line treatment, propranolol, with marked reduction in tumour size and erythema. Treatment was stopped after 35 weeks due to recurrent diarrhoea and sustained weight loss. Propranolol can be used to safely treat infants with haemangiomas in remote, rural communities if there is adequate follow-up, education and communication. Periocular haemangiomas should be treated promptly to avoid visual impairment...
May 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28511494/eyelid-malignancies-always-quite-challenging
#5
Arumugham Balasubramanian, Narayanasamy Subbaraju Kannan
The diagnosis and management of eyelid cancers are quite challenging. Eyelid tumours are relatively rare diverse group of diseases varied in their presentation and extent. Many benign tumours and inflammatory conditions quite frequently masquerade eyelid cancers. Eyelid cancers are not single entity but comprise a wide range of tumours with extremes of tumour biology from indolent to very aggressive histopathologic types. Compromise on aesthetics and eyelids' indispensable function of protecting the eyes during management, may lead to untoward cosmetic disfigurement and loss of vision...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509080/evaluation-of-dose-enhancement-in-presence-of-gold-nanoparticles-in-eye-brachytherapy-by-103-pd-source
#6
Hadi Rezaei, Mansour Zabihzadeh, Mahdi Ghorbani, Foad Goli Ahmadabad, Hesameddin Mostaghimi
In recent years, the use of gold nanoparticles in radiation therapy has been introduced as a new approach in radiotherapy. The aim of this study is to investigate the effect of gold nanoparticles (GNPs) in plaque brachytherapy for choroidal melanoma using Monte Carlo (MC) simulation. MCNPX code was used for simulation of human eye, (103)Pd (model 200) brachytherapy source and the 20 mm COMS eye plaque that was loaded with 24 (103)Pd seeds and standardized by Collaborative Ocular Melanoma Study (COMS). The tumour was defined from the inner surface of choroid with 0...
May 16, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28501391/long-term-visual-acuity-strabismus-and-nystagmus-outcomes-following-multimodality-treatment-in-group-d-retinoblastoma-eyes
#7
Ido D Fabian, Zishan Naeem, Andrew W Stacey, Tanzina Chowdhury, Catriona Duncan, M Ashwin Reddy, Mandeep S Sagoo
PURPOSE: To analyse the long-term visual acuity, strabismus and nystagmus outcomes in Group D retinoblastoma following multimodality treatments in a national retinoblastoma referral centre. DESIGN: Retrospective interventional case series. METHODS: A 13-year retrospective chart review of Group D eyes treated initially with intravenous chemotherapy (IVC) and followed-up for at least 1 year from last treatment. Risk factors for final visual acuity (VA) were analysed, and rate of strabismus and nystagmus at last follow-up visit were calculated...
May 10, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28487752/brachytherapy-and-anterior-segment-imaging-in-iris-melanoma
#8
Jin Soo Andy Song, Adam A Dmytriw, Hesham Lakosha
A 40-year-old male presented to the ophthalmology clinic with a darkly pigmented infratemporal lesion in his right eye. The corrected visual acuity in both eyes was 6/6 and both pupils were equal and reactive. Slit lamp biomicroscopy showed a well-demarcated and heavily pigmented lesion in the peripheral iris between 6 and 8 o'clock. Ultrasound biomicroscopy (UBM) revealed a solid mass deriving from the iris stroma without ciliary body involvement, helping to classify the uveal melanoma and establishing the diagnosis of iris melanoma...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28478966/a-rare-case-of-multiple-brain-abscess-and-probably-disseminated-phaeohyphomycosis-due-to-cladophialophora-bantiana-in-an-immunosuppressed-individual-from-india
#9
S Lahiri Mukhopadhyay, A Mahadevan, V H Bahubali, R Dawn Bharath, A R Prabhuraj, S Maji, N Siddaiah
Cladophialophora bantiana, a dematiaceous neurotropic mold causes rare and lethal brain abscess, commonly in immunocompetent hosts. We report a rare and probably a case of disseminated infection with this black mold in an immunosuppressed individual from India. A 55-year-old diabetic male presented with severe headache, blurred-vision, behavioural abnormalities, eye-pain and ear-discharge. He was undergoing treatment for hypertension, prostatomegaly and obstructive pulmonary disease. He was on steroids for the past six years for uveitis...
May 3, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28444874/prognostic-impact-of-chromosomal-aberrations-and-gnaq-gna11-and-bap1-mutations-in-uveal-melanoma
#10
Kjersti M Staby, Karsten Gravdal, Sverre J Mørk, Steffen Heegaard, Olav K Vintermyr, Jørgen Krohn
PURPOSE: To evaluate clinico-pathological and molecular prognostic factors in a well-defined series of posterior uveal melanoma (UM) with focus on chromosomal aberrations and mutations in the GNAQ, GNA11 and BRCA1-associated protein 1 (BAP1) genes. METHODS: Formalin-fixed paraffin-embedded (FFPE) tissue samples were obtained from 50 consecutive eyes enucleated for UM between 1993 and 2005. The material was tested for loss of chromosome 3 and gain of chromosome 8q gene signatures by selective molecular gene markers using multiplex ligation-dependent probe amplification (MLPA), and for DNA mutations in the GNAQ, GNA11 and BAP1 genes...
April 26, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28432112/reduction-of-severe-visual-loss-and-complications-following-intra-arterial-chemotherapy-iac-for-refractory-retinoblastoma
#11
M Ashwin Reddy, Zishan Naeem, Catriona Duncan, Fergus Robertson, Jane Herod, Adam Rennie, Alki Liasis, Dorothy Ann Thompson, Mandeep Sagoo
BACKGROUND: Intra-arterial chemotherapy (IAC) for retinoblastoma has been documented as causing visual loss and ocular motility problems. A lack of safety data has precluded its acceptance in all centres. METHODS: Retrospective cohort study of patients with retinoblastoma from 2013 to 2015 who had a healthy foveola and relapsed following systemic chemotherapy. All required IAC. The correlation of complications with doses of melphalan +/- topotecan used and putative catheterisation complications was assessed...
April 21, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28414190/engineered-polymeric-microspheres-obtained-by-multi-step-method-as-potential-systems-for-transarterial-embolization-and-intraoperative-imaging-of-hcc-preliminary-evaluation
#12
Elena Piera Porcu, Andrea Salis, Giovanna Rassu, Marcello Maestri, Jacopo Galafassi, Giovanna Bruni, Paolo Giunchedi, Elisabetta Gavini
The aim of this study was the development of novel fluorescent microspheres as embolic agent for transarterial embolization (TAE) of advanced stages of hepatocellular carcinoma (HCC). TAE is a minimally invasive procedure that induces tumour regression blocking the blood flow by injection of microparticles. The microspheres currently used in clinical application cannot be visualized in vivo. Surgeon could exploit the intraoperative detection of embolic agents during resection of the malignant mass. Biocompatible indocyanine green (ICG)-loaded microspheres (CAB-CS-ICG) were prepared using a multi-step method...
April 13, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28397259/patient-understanding-of-genetic-information-influences-reproductive-decision-making-in-retinoblastoma
#13
A Foster, L Boyes, L Burgess, S Carless, V Bowyer, H Jenkinson, M Parulekar, J Ainsworth, J Hungerford, Z Onadim, M Sagoo, E Rosser, M A Reddy, T Cole
Retinoblastoma is the most common malignant tumour of the eye in childhood, with nearly all bilateral tumours and around 17-18% of unilateral tumours due to an oncogenic mutation in the RB1 gene in the germline. Genetic testing in all cases enables accurate risk assessment and optimal clinical management for the affected individual, siblings, and future offspring. We carried out the first UK-wide audit of understanding of genetic testing in individuals with retinoblastoma. A total of 292 individuals aged 16-45 years were included...
April 11, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28388343/orbital-melanoma-masquerading-as-a-galloping-haemangioma
#14
Daniele Lorenzano, Katherine Miszkiel, Geoffrey E Rose
We describe a 32-year-old pregnant woman who was referred to our clinic after 6 weeks of observation elsewhere with a rapidly expanding orbital mass, proptosed globe and slowly decreasing of vision in her left eye. To our examination the patient presented with congested optic disc fine macular striae and some slight choroidal elevation without any retinal pigmentation. An MRI scan without contrast was performed, suggesting the signal charactheristics of an orbital mass consistent with a cellular lesion such as a cavernous hemangioma or a solitary fibrous tumour...
April 2017: Orbit
https://www.readbyqxmd.com/read/28387434/incidence-of-secondary-glaucoma-after-treatment-of-uveal-melanoma-with-robotic-radiosurgery-versus-brachytherapy
#15
Jakob Siedlecki, Veronika Reiterer, Simon Leicht, Paul Foerster, Karsten Kortüm, Ulrich Schaller, Siegfried Priglinger, Christoph Fuerweger, Alexander Muacevic, Kirsten Eibl-Lindner
PURPOSE: Different modalities of radiation therapy nowadays allow for effective treatment of uveal melanoma combined with the advantage of eye preservation. However, this advantage can secondarily be impaired by radiation-related side effects. After local recurrence, secondary glaucoma (SG) has been described as second most frequent complication leading to need of enucleation. This study compares the incidence of SG after conventional Ruthenium (Ru)-106 brachytherapy (BT) versus CyberKnife robotic radiosurgery (RRS) which has been gaining importance lately as an efficient treatment option offering improved patient comfort...
April 7, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28376556/-uveal-melanoma-cell-under-oxidative-stress-influence-of-vegf-and-vegf-inhibitors
#16
M Dithmer, A M Kirsch, L Gräfenstein, F Wang, H Schmidt, S E Coupland, S Fuchs, J Roider, A K Klettner
Background The role of oxidative stress in cancer is complex. While the pathological alterations induced by oxidative stress may be involved in the induction of tumours, in the late stages of tumour development, it can facilitate the loss of tumour cells and might even prevent metastasis. Tumour cells show metabolic alterations, often inducing an increased production of reactive oxygen species, which makes these cells particularly vulnerable to additional oxidative stress. This is an important mode of action in the use of many chemotherapeutics and in the application of ionizing radiation...
April 4, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28338841/out-of-field-dose-measurements-for-3d-conformal-and-intensity-modulated-radiotherapy-of-a-paediatric-brain-tumour
#17
Marija Majer, Liliana Stolarczyk, Marijke De Saint-Hubert, Damian Kabat, Željka Kneževic, Saveta Miljanic, Natalia Mojzeszek, Roger Harrison
The purpose of this study was to measure out-of-field organ doses in clinical conditions in anthropomorphic paediatric phantoms which received a simulated treatment of a brain tumour with intensity modulated radiotherapy (IMRT) and 3D conformal radiotherapy (3D CRT). Organ doses measured with radiophotoluminescent and thermoluminescent dosemeters were on average 1.6 and 3.0 times higher for the 5 y-old than for the 10 y-old phantom for IMRT and 3D CRT, respectively. A larger 5-y to 10-y organ dose ratio for 3D CRT can be explained because the use of a mechanical wedge for the 5-y-old 3D CRT phantom treatment increased out-of-field doses...
February 27, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28302155/a-prospective-randomised-placebo-controlled-double-masked-three-armed-multicentre-phase-ii-iii-trial-for-the-study-of-a-topical-treatment-of-ischaemic-central-retinal-vein-occlusion-to-prevent-neovascular-glaucoma-the-strong-study-study-protocol-for-a-randomised
#18
Katrin Lorenz, Yvonne Scheller, Katharina Bell, Franz Grus, Katharina A Ponto, Felix Bock, Claus Cursiefen, Jens Flach, Marta Gehring, Tunde Peto, Rufino Silva, Yossi Tal, Norbert Pfeiffer
BACKGROUND: Neovascular glaucoma (NVG) is rare, comprising only 3.9% of all glaucoma cases. The most common cause of NVG is ischaemic central retinal vein occlusion (iCRVO). NVG frequently results in blindness and painful end-stage glaucomatous damage leading to the need for enucleation. Currently, there is no preventive therapy for NVG following iCRVO. Rescue treatments have severe drawbacks. Accordingly, there is a great need for preventing the often visually devastating outcomes of NVG...
March 16, 2017: Trials
https://www.readbyqxmd.com/read/28260625/cavernous-sinus-syndrome-a-prospective-study-of-73-cases-at-a-tertiary-care-centre-in-northern-india
#19
S Bhatkar, M K Goyal, A Takkar, K K Mukherjee, P Singh, R Singh, V Lal
OBJECTIVES: To study the clinical and etiological profile of patients with cavernous sinus syndrome (CSS) and identify factors which could determine the etiology and influence the outcome of these patients. PATIENTS AND METHODS: This prospective observational study included 73 consecutive patients satisfying the criteria of CSS (i.e. involvement of any 2 of the 3rd, 4th, 5th and 6th cranial nerves or any one of them with radiological evidence of cavernous sinus involvement)...
April 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28258179/extraskeletal-orbital-mesenchymal-chondrosarcoma-surgical-approach-and-mini-review
#20
REVIEW
Ashish Jakhetiya, Nootan Kumar Shukla, Dillip Muduly, Shashank S Kale
Extraskeletal orbital mesenchymal chondrosarcoma (MC) is an extremely rare and highly aggressive tumour. It has characteristic radiological features and pathognomic histological biphasic pattern. Radical resection with negative margins is the mainstay of treatment; role of adjuvant chemotherapy and radiotherapy is yet not well defined. We report a rare case of 18-year-old man who was diagnosed to have orbital MC. He presented with locally advanced disease with no vision in the affected eye. He underwent right orbital exenteration; a transcranial intradural approach was used to divide the optic nerve, and the temporalis muscle flap was utilised to fill the exenterated orbit...
March 3, 2017: BMJ Case Reports
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