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Iris melanoma

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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/29765944/uveal-melanoma-5-year-update-on-incidence-treatment-and-survival-seer-1973-2013
#3
Mary E Aronow, Allan K Topham, Arun D Singh
Purpose: To analyze trends in incidence, treatment, and survival of uveal melanoma in the United States from 1973 to 2013 using the Surveillance, Epidemiology, and End Results database. Materials and Methods: Patients were identified using International Classification of Disease for Oncology codes: C69.3 (choroid), C69.4 (ciliary body and iris), and C69.2 (retina). Trends in age-adjusted incidence, treatment (surgery or radiation), and 5-year relative survival were calculated...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29723886/-nevus-or-melanoma-of-the-iris-a-progressive-course-over-at-least-43-years
#4
Jens Martin Rohrbach, Daniela Süsskind, Karl Ulrich Bartz-Schmidt
No abstract text is available yet for this article.
May 3, 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29596556/uveal-melanoma-associated-with-myotonic-dystrophy-a-report-of-6-cases
#5
Lauren A Dalvin, Carol L Shields, Jose S Pulido, Kareem Sioufi, Victoria Cohen, Jerry A Shields
Importance: Patients with myotonic dystrophy (MD) have an increased risk of malignancy including uveal melanoma. This case series further explores the association between these 2 diseases. Objective: To describe a cohort of patients with uveal melanoma associated with MD, including a case of iris melanoma, and MD-associated uveal melanoma in relatives. Design, Setting, and Participants: Retrospective case series at 3 tertiary referral centers (Wills Eye Hospital, Philadelphia, Pennsylvania; Mayo Clinic, Rochester, Minnesota; and Moorsfields Eye Hospital, London, England), between January 1, 2000, and August 31, 2017...
March 29, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29569417/dermoscopy-features-of-atypical-fibroxanthoma-a-multicenter-study-of-the-international-dermoscopy-society
#6
Elvira Moscarella, Simonetta Piana, Francesca Specchio, Athanassios Kyrgidis, Gianluca Nazzaro, Maite L Eliceche, Francesco Savoia, Leonardo Bugatti, Giorgio Filosa, Iris Zalaudek, Federica Scarfi, Mike Inskip, Cliff Rosendahl, John H Pyne, Graeme Siggs, Arzu K Toğral, Horatio Cabo, Lubomir Drlik, Aimilios Lallas, Caterina Longo, Giuseppe Argenziano
BACKGROUND/OBJECTIVES: Little is known about the dermoscopic features of atypical fibroxanthoma. METHODS: This was a case-control study. Atypical fibroxanthoma lesions were compared with a control group with non-melanoma skin cancer. RESULTS: Altogether 40 atypical fibroxanthoma were collected. Most developed in men (93%), appearing mainly as nodular (63%), amelanotic (93%) and ulcerated (78%) lesions. Most lesions were located on the scalp (55%) and the ears (13%)...
March 23, 2018: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29563713/retraction-brachytherapy-and-anterior-segment-imaging-in-iris-melanoma
#7
(no author information available yet)
[This retracts the article on p. 114 in vol. 10, PMID: 28757700.].
January 2018: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/29558679/regulation-of-ceacam1-protein-expression-by-the-transcription-factor-ets-1-in-braf-mutant-human-metastatic-melanoma-cells
#8
Karin Kfir-Elirachman, Rona Ortenberg, Bella Vizel, Michal J Besser, Iris Barshack, Jacob Schachter, Yael Nemlich, Gal Markel
BRAF becomes constitutively activated in 50% to 70% of melanoma cases. CEACAM1 has a dual role in melanoma, including facilitation of cell proliferation and suppression of infiltrating lymphocytes, which are consistent with its value as a marker for poor prognosis in melanoma patients. Here we show that BRAFV600E melanoma cells treated with BRAF and MEK inhibitors (MAPKi) downregulate CEACAM1 mRNA and protein expression in a dose- and exposure time-dependent manners. Indeed, there is a significant correlation between the presence of BRAFV600E and CEACAM1 expression in melanoma specimens obtained from 45 patients...
March 17, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29529957/circulating-cell-free-dna-does-not-harbour-a-diagnostic-benefit-in-cats-with-feline-diffuse-iris-melanomas
#9
Jessica G Rushton, Reinhard Ertl, Dieter Klein, Alexander Tichy, Barbara Nell
Objectives Feline diffuse iris melanoma (FDIM) is the most common malignant primary intraocular tumour in cats, with reported metastases rates between 19% and 63%. Currently, the only available diagnostic tool for a tentative diagnosis is histopathological examination of the enucleated eye. Therefore, the veterinary ophthalmologist is often faced with the dilemma of whether to enucleate an oftentimes visual eye or to continue monitoring, with the risk of metastases developing. In the past, cell-free DNA (cfDNA) gained more attention in human medicine, especially in the field of oncology...
March 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29502116/dermoscopy-improves-the-diagnostic-accuracy-of-melanomas-clinically-resembling-seborrheic-keratosis-cross-sectional-study-of-the-ability-to-detect-seborrheic-keratosis-like-melanomas-by-a-group-of-dermatologists-with-varying-degrees-of-experience
#10
Cristina Carrera, Sonia Segura, Paula Aguilera, Carol Midori Takigami, Antonio Gomes, Alicia Barreiro, Massimiliano Scalvenzi, Caterina Longo, Stefano Cavicchini, Luc Thomas, Josep Malvehy, Susana Puig, Iris Zalaudek
BACKGROUND: Malignant melanomas mimicking seborrheic keratosis (SK-like MMs) carry the risk of delayed diagnosis and inadequate treatment. The value of dermoscopy to improve the correct detection of these mimickers has not been previously studied. OBJECTIVE: To evaluate the diagnostic accuracy of clinically SK-like MMs with and without dermoscopy. METHODS: Clinical and dermoscopic images of histopathologically proven SK-like MMs (n = 134) intermingled with other melanomas and benign tumors were randomly presented to clinicians with different levels of experience, blinded to the diagnosis and goal of the study...
2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29498639/the-oncolytic-virus-vsv-gp-is-effective-against-malignant-melanoma
#11
Janine Kimpel, Carles Urbiola, Iris Koske, Reinhard Tober, Zoltan Banki, Guido Wollmann, Dorothee von Laer
Previously, we described VSV-GP, a modified version of the vesicular stomatitis virus, as a non-neurotoxic oncolytic virus that is effective for the treatment of malignant glioblastoma and ovarian cancer. Here, we evaluate the therapeutic efficacy of VSV-GP for malignant melanoma. All of the human, mouse, and canine melanoma cell lines that were tested, alongside most primary human melanoma cultures, were infected by VSV-GP and efficiently killed. Additionally, we found that VSV-GP prolonged the survival of mice in both a xenograft and a syngeneic mouse model...
March 2, 2018: Viruses
https://www.readbyqxmd.com/read/29485532/stat5-expression-correlates-with-recurrence-and-survival-in-melanoma-patients-treated-with-interferon-%C3%AE
#12
Devayani Machiraju, Iris Moll, Christoffer Gebhardt, Antje Sucker, Kristina Buder-Bakhaya, Dirk Schadendorf, Jessica C Hassel
Interferons (IFN) have a direct growth-inhibiting effect on tumor cells through Janus kinase-dependent activation of the transcription factor signal transducer and activator of transcription (STAT1). In vitro, signaling through STAT5 has been demonstrated to counteract this effect and lead to IFN resistance of melanoma cell lines. In 32 patients treated with IFN-α in an adjuvant setting, we investigated paraffin-embedded tumor tissue from primary melanomas and melanoma metastases for expression of STAT3 and STAT5, by immunohistochemistry, and for expression of phosphorylated signaling transduction activating transcription factor (pSTAT)3 and pSTAT5, by immunofluorescence...
June 2018: Melanoma Research
https://www.readbyqxmd.com/read/29468224/optical-coherence-tomography-angiography-of-a-pigmented-fuchs-adenoma-age-related-hyperplasia-of-the-nonpigmented-ciliary-body-epithelium-masquerading-as-a-ciliary-body-melanoma
#13
Nisha Nagarkatti-Gude, Yan Li, David Huang, David J Wilson, Alison H Skalet
Purpose: To report a case of age-related hypertrophy of the nonpigmented ciliary epithelium (ARH-NPCE) clinically resembling a ciliary body melanoma and report the optical coherence tomography angiography (OCTA) findings associated with this lesion. Observations: A 51-year-old male was referred for evaluation of a deeply pigmented ciliary body mass with extension through the iris root. Iridocyclectomy was performed due to concern for ciliary body melanoma. Histopathologic analysis was instead consistent with ARH-NPCE, also known as Fuchs' adenoma...
March 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29464331/salvage-proton-beam-therapy-for-recurrent-iris-melanoma-outcome-and-side-effects
#14
Aline I Riechardt, Julian P Klein, Dino Cordini, Jens Heufelder, Matus Rehak, Ira Seibel, Antonia M Joussen
PURPOSE: This study aims to analyze the effect of salvage proton beam therapy for the treatment of recurrent iris melanoma. METHOD: In this clinical case series, we retrospectively analyzed the data of eight patients who underwent proton beam therapy of the whole anterior segment as salvage therapy between 2000 and 2016 for recurrent iris melanoma after resection, ruthenium brachytherapy, or sector proton beam therapy. Two patients received salvage proton beam therapy for repeated tumor relapse...
February 20, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29463229/metastatic-cardiac-tumors-from-clinical-presentation-through-diagnosis-to-treatment
#15
Ivana Burazor, Sarit Aviel-Ronen, Massimo Imazio, Orly Goitein, Marina Perelman, Natalia Shelestovich, Ninoslav Radovanovic, Vladimir Kanjuh, Iris Barshack, Yehuda Adler
BACKGROUND: To evaluate the prevalence of metastatic tumors involving the myocardium and study their presentation in order to increase awareness to their existence. METHODS: Pathological reports from Sheba Medical Center (Israel, January 1, 2010 through December 31, 2015) and medical records from The Institute for Cardiovascular Diseases of Vojvodina, Sremska Kamenica (Serbia, 23 years period) were screened for cases of metastatic cardiac tumors. Medical, radiological and pathological data of identified cases was retrieved and reviewed...
February 20, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29394206/secondary-glaucoma-due-to-iridescent-crystalline-particles-masquerading-as-refractory-hypertensive-uveitis-in-an-eye-with-irradiated-iris-melanoma
#16
Rupinder Chahal, Abhijit A Mohite, Heinrich Heimann, Atul Bansal
PURPOSE: We report a previously unrecognized mechanism of secondary glaucoma due to iridescent crystalline particles released from an irradiated iris melanoma. It masqueraded as refractory hypertensive uveitis following uncomplicated phacoemulsification. MATERIALS AND METHODS: A 58-year-old gentleman had an iris melanoma that underwent successful regression following irradiation with proton beam radiotherapy. Three years later an uncomplicated phacoemulsification with intraocular lens implant was performed and subsequently the patient presented with apparently "refractory hypertensive uveitis...
April 2018: Journal of Glaucoma
https://www.readbyqxmd.com/read/29384261/the-status-of-dermoscopy-in-germany-results-of-the-cross-sectional-pan-euro-dermoscopy-study
#17
Andreas Blum, Jürgen Kreusch, Wilhelm Stolz, Giuseppe Argenziano, Ana-Maria Forsea, Del Marmol V, Iris Zalaudek, H Peter Soyer, Holger A Haenssle
BACKGROUND: Survey on the current status of dermoscopy in Germany. METHODS: In the context of a pan-European internet-based study (n = 7,480) conducted by the International Dermoscopy Society, 880 German dermatologists were asked to answer questions with respect to their level of training as well as their use and perceived benefit of dermoscopy. RESULTS: Seven hundred and sixty-two (86.6 %) participants practiced dermatology in a publicly funded health care setting; 98...
February 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29371009/genetic-background-of-iris-melanomas-and-iris-melanocytic-tumors-of-uncertain-malignant-potential
#18
Natasha M van Poppelen, Jolanda Vaarwater, Hardeep S Mudhar, Karen Sisley, Ian G Rennie, Paul Rundle, Tom Brands, Quincy C C van den Bosch, Hanneke W Mensink, Annelies de Klein, Emine Kiliç, Robert M Verdijk
PURPOSE: Uveal melanoma (UM) is the most common primary intraocular malignancy in adults. Iris melanoma comprises 4% to 10% of all UMs and has a lower mortality rate. The genetic changes in iris melanoma are not as well characterized as ciliary body or choroidal melanoma. The aim of this study was to gain more insight into the genetic background of iris melanoma and iris nevi. DESIGN: Multicenter, retrospective case series. PARTICIPANTS: Patients diagnosed with iris melanoma or iris nevi who underwent surgical intervention as primary or secondary treatment...
January 19, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29344483/retinoinvasive-uveal-melanoma-report-of-2-cases-and-review-of-the-literature
#19
John P Gorham, Eszter Szalai, Jill R Wells, Hans E Grossniklaus
Purpose: To describe the clinical history and histopathologic findings of 2 cases of retinoinvasive uveal melanoma. Methods: The medical records and pathology specimens of 2 patients with retinoinvasive uveal melanoma were reviewed. Results: The first patient had an iris/ciliary body melanoma that was treated and the second patient had suspected iridocorneal endothelial syndrome. Both patients developed a blind, painful eye; the first patient's right eye was enucleated and the left eye of the second patient underwent evisceration...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29342436/iris-melanoma-outcomes-based-on-the-american-joint-committee-on-cancer-classification-eighth-edition-in-432-patients
#20
Carol L Shields, Maura Di Nicola, Vladislav P Bekerman, Swathi Kaliki, Carolina Alarcon, Enzo Fulco, Jerry A Shields
PURPOSE: The American Joint Committee on Cancer (AJCC) classification was updated to the eighth edition in January 2017, providing staging for iris melanoma. This study evaluated outcomes of iris melanoma per the AJCC classification, eighth edition. DESIGN: Retrospective case series. PARTICIPANTS: Four hundred thirty-two patients with iris melanoma. METHODS: Management including tumor resection, plaque radiotherapy, or enucleation...
January 13, 2018: Ophthalmology
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