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https://www.readbyqxmd.com/read/29777046/lack-of-tumour-pigmentation-in-conjunctival-melanoma-is-associated-with-light-iris-colour-and-worse-prognosis
#1
Niels J Brouwer, Marina Marinkovic, Gregorius P M Luyten, Carol L Shields, Martine J Jager
AIM: To investigate whether differences in iris colour, skin colour and tumour pigmentation are related to clinical outcome in conjunctival melanoma. METHODS: Data of 70 patients with conjunctival melanoma from the Leiden University Medical Center (Leiden, The Netherlands) and 374 patients from the Wills Eye Hospital (Philadephia, USA) were reviewed. The relation between iris colour, skin colour and tumour pigmentation versus clinical parameters and outcome was investigated using univariate and multivariate regression analyses...
May 18, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29765951/advanced-midzonal-iris-pigment-epithelial-cyst-managed-by-aspiration-deflation
#2
Jerry A Shields, Samuel J Fallon, Charlotte Nelle Shields, Sara E Lally, Carol L Shields
Background: There are several cysts that can occur in the iris. The midzonal (retroiridic) iris pigment epithelial (IPE) cyst is important because it can simulate melanoma of the ciliary body. However, it is frequently asymptomatic and requires no treatment. Methods: A 37-year-old asymptomatic woman with visual acuity of 20/20 in each eye was found to have an elevated mass behind the left iris, presumed to be melanoma, and was referred for management. On our examination, there was a typical midzonal IPE cyst in the left eye (OS), requiring observation without intervention...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29755733/recent-advancements-in-the-management-of-retinoblastoma-and-uveal-melanoma
#3
REVIEW
Amy C Schefler, Ryan S Kim
Retinoblastoma and uveal melanoma are the most common intraocular malignancies observed in pediatric and adult populations, respectively. For retinoblastoma, intra-arterial chemotherapy has dramatically improved treatment outcomes and eye salvage rates compared with traditional salvage rates of systemic chemotherapy and external beam radiation therapy. Intravitreal injections of chemotherapy have also demonstrated excellent efficacy for vitreous seeds. Uveal melanoma, on the other hand, is treated predominantly with iodine-125 plaque brachytherapy or with proton beam therapy...
2018: F1000Research
https://www.readbyqxmd.com/read/29746413/intravitreal-anti-vascular-endothelial-growth-factor-treatment-at-2-month-intervals-reduces-foveal-avascular-zone-enlargement-and-vision-loss-in-radiation-maculopathy-a-pilot-study
#4
Alejandra Daruich, Alexandre Matet, Ann Schalenbourg, Leonidas Zografos
PURPOSE: To evaluate, in eyes with radiation maculopathy, the effect of 2-month-interval anti-vascular endothelial growth factor therapy on best-corrected visual acuity and foveal avascular zone (FAZ) enlargement using optical coherence tomography angiography. METHODS: Consecutive treatment-naive patients with radiation maculopathy after proton beam irradiation for choroidal melanoma were retrospectively included. Clinical and optical coherence tomography angiography data at baseline and the 6-month visit were recorded...
May 3, 2018: Retina
https://www.readbyqxmd.com/read/29743050/unmasking-of-intracranial-metastatic-melanoma-during-ipilimumab-nivolumab-therapy-case-report-and-literature-review
#5
Marin A McDonald, Parag Sanghvi, Julie Bykowski, Gregory A Daniels
BACKGROUND: While data from several studies over the last decade has demonstrated that introduction of immunologic checkpoint blockage therapy with anti-CTLA-4/PD-1 drugs leads to improved survival in metastatic melanoma patients, relatively little is known about brain-specific therapeutic response and adverse events in the context of immunotherapeutic treatment of intracranial disease. Here we report two independent cases of new intracranial metastases presenting after initiation of combined checkpoint blockade Ipilimumab and Nivolumab for recurrent metastatic melanoma in the context of positive systemic disease response...
May 9, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29738114/oncogenic-signaling-in-uveal-melanoma
#6
REVIEW
John J Park, Russell J Diefenbach, Anthony M Joshua, Richard F Kefford, Matteo S Carlino, Helen Rizos
Uveal melanoma is the most common primary cancer of the eye, and despite rapidly emerging insights into the molecular profile of this disease, prognosis of patients with metastatic uveal melanoma remains poor with mortality rates unchanged in over 35 years. Early genetic events activate G-protein coupled receptor signaling in nearly all uveal tumors via mutually exclusive mutations in the GNAQ, GNA11, CYSLTR2 or PLCB4 genes. A multitude of signaling cascades downstream of G-protein activation, including protein kinase C and mitogen activated protein kinase activity are actionable and many ongoing clinical trials are targeting these pathways...
May 8, 2018: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/29738013/atypical-posterior-scleritis-mimicking-choroidal-melanoma
#7
Heba M Alsharif, Saad A Al-Dahmash
We report a case of atypical posterior scleritis mimicking amelanotic choroidal melanoma. A 30-year-old healthy Filipino man, with a history of painless subacute loss of vision in his left eye over 5 months, was referred to our institute for further workup and management. On examination, visual acuity of the left eye was 20/200. Anterior segment examination yielded unremarkable results, with injected conjunctiva and quiet episcleral blood vessels, while fundus examination revealed non-pigmented nasal choroidal mass, with significant subretinal fluid resembling amelanotic choroidal melanoma...
May 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29732441/quantitative-oct-angiography-evaluation-of-peripapillary-retinal-circulation-after-plaque-brachytherapy
#8
Alison H Skalet, Liang Liu, Christina Binder, Audra K Miller, Jie Wang, David J Wilson, Richard Crilly, Charles R Thomas, Arthur Y Hung, David Huang, Yali Jia
Objective: To study peripapillary retinal capillary circulation in eyes treated with I-125 plaque brachytherapy for uveal melanoma using optical coherence tomography angiography (OCTA). Design: Cross-sectional study of 10 subjects imaged with OCTA prior to uveal melanoma treatment and 15 subjects imaged after development of radiation retinopathy and/or optic neuropathy. Participants: Following IRB approval, subjects were enrolled from an academic ocular oncology clinical practice...
March 2018: Ophthalmology retina
https://www.readbyqxmd.com/read/29707895/gamma-irradiation-of-ocular-melanoma-and-lymphoma-cells-in-the-presence-of-gold-nanoparticles-in-vitro-study
#9
Mozhgan Rezaei Kanavi, Somayeh Asadi, Sahar Balagholi, Fatemeh Alikarami, Hassan Nosrati, Hamid Ahmadieh
The aim of this work was to determine whether conjugation of cultivated choroidal melanoma and Burkitt's lymphoma cells with gold nanoparticles (GNPs) is beneficial for these series of ocular cancer patients. GNPs are radiosensitizers and can sensitize tumors to radiotherapy.This application has been examined in several tumor types, but not in choroidal melanoma. This study shows the results of in vitro study on the choroidal melanoma and also Burkitt's lymphoma cells in the presence of GNPs during continuous gamma irradiation...
April 29, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29703285/outcomes-of-cataract-surgery-in-eyes-with-ocular-melanoma-treated-with-iodine-125-brachytherapy
#10
Tahir Kansu Bozkurt, Qiongyan Tang, Lev L Grunstein, Tara A McCannel, Bradley R Straatsma, Kevin M Miller
PURPOSE: To evaluate visual and surgical outcomes of cataract surgery in eyes with a history of iodine-125 (I125 ) brachytherapy for ocular melanoma. SETTING: Department of Ophthalmology, David Geffen School of Medicine at UCLA and the Stein Eye Institute, Los Angeles, California, USA. DESIGN: Retrospective case series. METHODS: Patients with ocular melanoma treated by I125 brachytherapy who subsequently had cataract surgery were evaluated...
March 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29700547/gold-nanocages-entering-into-the-realm-of-high-contrast-photoacoustic-ocular-imaging
#11
Sreejith Raveendran, Hoong-Ta Lim, Toru Maekawa, Murukeshan Vadakke Matham, D Sakthi Kumar
Bioinert gold nanoparticles of various shapes and functionalities are widely accepted as contrast agents (CAs) for several modalities of imaging, viz., electron microscopy, computerized tomography (CT), X-ray and photoacoustic (PA) imaging. However, testing of novel compact-imaging probes for ocular diagnostic imaging is always challenging. Here, ultra-fast microwave oven synthesized gold nanocages (AuNcgs) were successfully demonstrated for high-contrast PA ocular imaging for the first time. Methods are described for the synthesis, characterization and application of quickly synthesized AuNcgs in diagnostic ocular imaging...
April 27, 2018: Nanoscale
https://www.readbyqxmd.com/read/29698213/what-do-germans-want-to-know-about-skin-cancer-a-nationwide-google-search-analysis-from-2013-to-2017
#12
Stefanie Seidl, Barbara Schuster, Melvin Rüth, Tilo Biedermann, Alexander Zink
BACKGROUND: Experts worldwide agree that skin cancer is a global health issue, but only a few studies have reported on world populations' interest in skin cancer. Internet search data can reflect the interest of a population in different topics and thereby identify what the population wants to know. OBJECTIVE: Our aim was to assess the interest of the German population in nonmelanoma skin cancer (NMSC) and melanoma. METHODS: Google AdWords Keyword Planner was used to identify search terms related to NMSC and melanoma in Germany from November 2013 to October 2017...
April 13, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29689622/prognostic-value-of-chromosomal-imbalances-gene-mutations-and-bap1-expression-in-uveal-melanoma
#13
Serena Patrone, Irena Maric, Mariangela Rutigliani, Francesco Lanza, Matteo Puntoni, Barbara Banelli, Silvia Rancati, Giovanna Angelini, Adriana Amaro, Paolo Ligorio, Carlotta Defferrari, Mauro Castagnetta, Roberto Bandelloni, Carlo Mosci, Andrea DeCensi, Massimo Romani, Urlich Pfeffer, Silvia Viaggi, Domenico A Coviello
Uveal melanoma (UM) exhibits recurring chromosomal abnormalities and gene driver mutations, which are related to tumor evolution/progression. Almost half of the patients with UM develop distant metastases, predominantly to the liver, and so far there are no effective adjuvant therapies. An accurate UM genetic profile could assess the individual patient's metastatic risk, and provide the basis to determine an individualized targeted therapeutic strategy for each UM patient. To investigate the presence of specific chromosomal and gene alterations, BAP1 protein expression, and their relationship with distant progression free survival (DPFS), we analyzed tumor samples from 63 UM patients (40 men and 23 women, with a median age of 64 years), who underwent eye enucleation by a single cancer ophthalmologist from December 2005 to June 2016...
April 24, 2018: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/29687085/orbital-melanocytoma-when-a-tumor-becomes-a-relieving-surprise
#14
Haytham E Nasr, Mohamed A Nouh, Rania A Ahmed, Abdelrahman M Elhusseiny
Purpose: Melanocytomas are rare pigmented tumors that arise form melanocytes and have been reported in the central nervous system. Orbital melanocytomas "also known as blue nevus" are rarely reported. The occurrence of choroidal melanoma and orbital melanocytomas has never been described. Observations: This is a case of orbital melanocytoma in a 34 year old female who presented with left proptosis and ecchymosis. She has the right eye enucleated to treat a large choroidal melanoma, 6 years earlier...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29673080/systemic-sclerosis-and-malignancy
#15
Gokhan Sargin, Taskin Senturk, Songul Cildag
BACKGROUND: Systemic sclerosis (SSc) has increased risk of morbidity and mortality due to pulmonary fibrosis, pulmonary arterial hypertension, renal crisis, infections and malignancies. Chemical exposure, smoking and cytotoxic drugs increase the malignancy risk in rheumatic diseases including SSc. We aim to evaluate characteristics, identify risk factors and mortality in SSc patients with malignancies. METHODS: One hundred and fifty-three patients with SSc (24 male, 129 female, with mean age of 56...
April 19, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29672247/management-of-chronic-hypotony-following-bilateral-uveitis-in-a-patient-treated-with-pembrolizumab-for-cutaneous-metastatic-melanoma
#16
Gerard Reid, Paul Lorigan, Heinrich Heimann, Marta Hovan
PURPOSE: To describe the presentation and management of severe ocular adverse events following treatment with pembrolizumab for cutaneous metastatic melanoma. METHODS: Interventional case report. RESULTS: A 73-year-old Caucasian man receiving pembrolizumab treatment for metastatic melanoma presented with panuveitis and subsequent profound hypotony, choroidal effusions, and optic disk swelling bilaterally. Oral prednisolone controlled intraocular inflammation...
April 19, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29667174/impact-of-prior-cancer-history-on-the-overall-survival-of-patients-newly-diagnosed-with-cancer-a-pan-cancer-analysis-of-the-seer-database
#17
Huaqiang Zhou, Yan Huang, Zeting Qiu, Hongyun Zhao, Wenfeng Fang, Yunpeng Yang, Yuanyuan Zhao, Xue Hou, Yuxiang Ma, Shaodong Hong, Ting Zhou, Yaxiong Zhang, Li Zhang
The population of cancer survivors with prior cancer is rapidly growing. Whether a prior cancer diagnosis interferes with outcome is unknown. We conducted a pan-cancer analysis to determine the impact of prior cancer history for patients newly diagnosed with cancer. We identified 20 types of primary solid tumors between 2004 to 2008 in the Surveillance, Epidemiology, and End Results (SEER) database. Demographic and clinicopathologic variables were compared by chi-squared test and t-test as appropriate. The propensity score-adjusted Kaplan-Meier method and Cox proportional hazards models were used to evaluate the impact of prior cancer on overall survival (OS)...
April 18, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29659412/photodynamic-therapy-as-primary-treatment-for-small-choroidal-melanoma
#18
Elif B Turkoglu, Renelle Pointdujour-Lim, Arman Mashayekhi, Carol L Shields
PURPOSE: To report outcomes of photodynamic therapy (PDT) as primary treatment for small amelanotic choroidal melanoma. METHODS: Retrospective interventional case series of 12 patients with small choroidal melanoma treated with standard-fluence PDT (83 seconds; 50 J/cm) using verteporfin. OUTCOME MEASURES: Tumor regression, subretinal fluid resolution, best-corrected visual acuity, and PDT complications. RESULTS: There were 12 eyes with melanoma, demonstrating amelanotic (10 [83%]) or lightly pigmented (n = 2, 17%) appearance...
April 13, 2018: Retina
https://www.readbyqxmd.com/read/29659389/fdg-pet-ct-focal-uptake-on-an-ocular-prosthesis
#19
Alessandra Repetto, Carolina Igua, Pablo Sopena, Pilar Bello
We present a case of an unexpected focally increased radiotracer uptake in an artificial eye in an FDG-PET/CT scan that was performed on a woman with a history of choroidal melanoma. It is crucial to know the type of prosthesis used and the timing of replacement for a correct interpretation of the findings. Recently, an FDG PET/CT was proposed to monitor the vascularity of the prosthesis instead of gadolinium MRI or of Tc bone scintigraphy.
April 13, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29658281/-treatment-of-metastatic-progression-following-the-synchronous-occurrence-of-cutaneous-and-ocular-primary-melanomas
#20
Eleonóra Imrédi, Vanda Plótár, Péter Szavcsur, Gitta Pánczél, Krisztina Melegh, Krisztina Schlachter, Gabriella Liszkay
The incidence rates of cutaneous melanoma in non-Hispanic whites show an increasing tendency with age. While uveal melanoma in general is a rare disease, representing only 4% of all melanomas with an incidence rate of 0.6 per 100 000, it is still the most frequent malignancy of the eye. Synchronous occurrence of ocular and cutaneous melanoma is an exceptional rarity, due to the distinct genetic background of the diseases. We report the case of a 80-year-old man who underwent total excision of a cutaneous melanoma in 2008...
April 2018: Orvosi Hetilap
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