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https://www.readbyqxmd.com/read/29344499/unilateral-multifocal-choroidal-melanoma
#1
Debarshi Mustafi, Bertil Damato, Jesse L Berry
We report a case of multifocal choroidal melanoma in the same eye, separated in presentation by 20 years. A 57-year-old Caucasian male initially presented with a choroidal melanoma of the right eye that was treated with transpupillary thermotherapy. Due to recurrence, the patient underwent proton beam therapy with subsequent tumor regression. A second small choroidal lesion was noted in the right eye during his surveillance examinations that was closely monitored and demonstrated stable dimensions and features suggestive of a choroidal nevus...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344497/a-case-of-adenocarcinoma-of-the-retinal-pigment-epithelium-an-immunohistochemical-and-electron-microscopic-study
#2
Hidetsugu Mori, Kanji Takahashi
Purpose: Retinal pigment epithelium (RPE) adenocarcinoma is a very rare malignant intraocular tumor. Herein we describe the histopathological features of RPE adenocarcinoma. Case: A 36-year-old male was referred to our clinic because of floaters in his left eye. The initial diagnosis was malignant melanoma of the choroid. We resected the tumor and studied it histopathologically. The tumor tissue was investigated by light microscopy including immunohistochemistry using antibodies against S-100, HMB-45, EMA, and AE-1...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344483/retinoinvasive-uveal-melanoma-report-of-2-cases-and-review-of-the-literature
#3
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/29344481/choroidal-melanoma-mimicker-a-case-of-metastatic-clear-cell-renal-cell-carcinoma
#4
Chris B Komanski, Shaina M Rubino, Jacob C Meyer, Craig M Greven
Choroidal melanoma is the most common primary intraocular malignancy, yet metastatic disease remains the most common malignancy of the eye. Differentiating these entities is essential as treatment, systemic associations, and prognosis vary dramatically between the two. Established diagnostic criteria are accurate for the diagnosis of uveal melanoma. Yet, metastatic disease may be misdiagnosed as a uveal melanoma in rare cases. We report a case of metastatic clear-cell renal cell carcinoma masquerading as uveal melanoma...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344477/is-there-an-increased-prevalence-of-asteroid-hyalosis-in-eyes-with-uveal-melanoma-a-histopathologic-study
#5
EDITORIAL
Christopher K H Burris, Amir A Azari, Mozhgan R Kanavi, Richard R Dubielzig, Vivian Lee, Justin L Gottlieb, Heather D Potter, Kyungmann Kim, Meisha L Raven, Maria E Rodriguez, Devasis N Reddy, Daniel M Albert
During the planning meeting for the Collaborative Ocular Melanoma Study (COMS) prior to the start of patient recruitment in 1986, there was an interest expressed in determining whether a relationship existed between the presence of uveal melanoma (UM) and asteroid hyalosis (AH). To answer this question, the ophthalmic examination form (unlike the pathology form for enucleated eyes) for each COMS patient asked whether AH was present or not. Though an increased prevalence was not found, this result was never published...
November 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29344475/ring-shaped-leiomyoma-of-the-ciliary-body
#6
Steven H Tucker, Eszter Szalai, Mark Rivellese, Hans Grossniklaus
Purpose: Ciliary body mesectodermal leiomyoma is a rare, benign smooth muscle tumor that typically presents in women in the second to fourth decade of life. The diagnosis is typically based on clinical color, funduscopic appearance, transillumination properties, and B-scan ultrasonography. Methods: We present a patient with a 360° ciliary body mass with transillumination and ultrasonographic properties consistent with a ring melanoma. Results: This case emphasizes the difficulty in differentiating the benign leiomyoma from similar appearing malignant tumors such as melanoma...
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
#7
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
https://www.readbyqxmd.com/read/29338133/pimasertib-associated-ophthalmological-adverse-events
#8
Elon H C van Dijk, Wim H J Kruit, Martine J Jager, Gregorius P M Luyten, Johannes R Vingerling, Camiel J F Boon
PURPOSE: To analyse ophthalmological adverse events associated with mitogen-activated protein kinase kinase (MEK) inhibition with pimasertib treatment for metastatic cutaneous melanoma (CM). METHODS: In this prospective observational, cohort-based, cross-sectional study, eight patients treated with the MEK inhibitor pimasertib received a complete ophthalmic examination. This included Early Treatment of Diabetic Retinopathy Study best-corrected visual acuity, visual field testing, colour vision testing, slit-lamp examination, applanation tonometry, indirect ophthalmoscopy, digital colour fundus photography and optical coherence tomography (OCT)...
January 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29327717/combined-mutation-and-copy-number-variation-detection-by-targeted-next-generation-sequencing-in-uveal-melanoma
#9
Kyra N Smit, Natasha M van Poppelen, Jolanda Vaarwater, Robert Verdijk, Ronald van Marion, Helen Kalirai, Sarah E Coupland, Sophie Thornton, Neil Farquhar, Hendrikus-Jan Dubbink, Dion Paridaens, Annelies de Klein, Emine Kiliç
Uveal melanoma is a highly aggressive cancer of the eye, in which nearly 50% of the patients die from metastasis. It is the most common type of primary eye cancer in adults. Chromosome and mutation status have been shown to correlate with the disease-free survival. Loss of chromosome 3 and inactivating mutations in BAP1, which is located on chromosome 3, are strongly associated with 'high-risk' tumors that metastasize early. Other genes often involved in uveal melanoma are SF3B1 and EIF1AX, which are found to be mutated in intermediate- and low-risk tumors, respectively...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29327365/millimeter-spatial-resolution-in-vivo-sodium-mri-of-the-human-eye-at-7-t-using-a-dedicated-radiofrequency-transceiver-array
#10
Daniel Wenz, Andre Kuehne, Till Huelnhagen, Armin M Nagel, Helmar Waiczies, Oliver Weinberger, Celal Oezerdem, Oliver Stachs, Soenke Langner, Erdmann Seeliger, Bert Flemming, Russell Hodge, Thoralf Niendorf
PURPOSE: The aim of this study was to achieve millimeter spatial resolution sodium in vivo MRI of the human eye at 7 T using a dedicated six-channel transceiver array. We present a detailed description of the radiofrequency coil design, along with electromagnetic field and specific absorption ratio simulations, data validation, and in vivo application. METHODS: Electromagnetic field and specific absorption ratio simulations were performed. Transmit field uniformity was optimized by using a multi-objective genetic algorithm...
January 12, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29317634/punctuated-evolution-of-canonical-genomic-aberrations-in-uveal-melanoma
#11
Matthew G Field, Michael A Durante, Hima Anbunathan, Louis Z Cai, Christina L Decatur, Anne M Bowcock, Stefan Kurtenbach, J William Harbour
Cancer is thought to arise through the accumulation of genomic aberrations evolving under Darwinian selection. However, it remains unclear when the aberrations associated with metastasis emerge during tumor evolution. Uveal melanoma (UM) is the most common primary eye cancer and frequently leads to metastatic death, which is strongly linked to BAP1 mutations. Accordingly, UM is ideally suited for studying the clonal evolution of metastatic competence. Here we analyze sequencing data from 151 primary UM samples using a customized bioinformatic pipeline, to improve detection of BAP1 mutations and infer the clonal relationships among genomic aberrations...
January 9, 2018: Nature Communications
https://www.readbyqxmd.com/read/29315480/iris-pigmented-lesions-as-a-marker-of-cutaneous-melanoma-risk-an-australian-case-control-study
#12
A M Laino, E G Berry, K Jagirdar, K J Lee, D L Duffy, H P Soyer, R A Sturm
BACKGROUND: Iris naevi and iris freckles have a frequency of 4% and 50% in the European population. They are associated with dysplastic naevi, but few studies examine their link to cutaneous melanoma. OBJECTIVES: To assess whether iris pigmented lesions are a predictive indicator for cutaneous melanoma. METHODS: This is a melanoma case-control study of 1254 European-background Australians. Sun exposure and melanoma history, a saliva sample for DNA analysis, and eye photographs taken with a digital camera were collected from 1117 participants...
January 8, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29313397/detection-of-extrascleral-extension-in-uveal-melanoma-with-histopathological-correlation
#13
Christopher K H Burris, Vasilios P Papastefanou, Caroline Thaung, Marie Restori, Amit K Arora, Mandeep S Sagoo, Victoria M L Cohen
PURPOSE: Uveal melanoma is the most common primary intraocular malignancy. Extrascleral extension (ESE) is rare, but associated with an increased rate of orbital recurrence and an overall poor prognosis. Clinical studies show low rates when compared with histological studies. Due to the prognostic importance of ESE, we sought to compare our clinical, intraoperative, and histological detection rates. DESIGN: A retrospective cross-sectional case series. METHODS: A list of eyes enucleated for uveal melanoma was compiled from the admissions records of the London Ocular Oncology Service during the 28-month period, i...
January 9, 2018: Orbit
https://www.readbyqxmd.com/read/29311040/prevalence-and-risk-factors-of-actinic-keratosis-in-patients-attending-italian-dermatology-clinics
#14
Maria Concetta Fargnoli, Gianfranco Altomare, Elisa Benati, Francesco Borgia, Paolo Broganelli, Anna Carbone, Sergio Chimenti, Sergio Donato, Giampiero Girolomoni, Giuseppe Micali, Erica Moggio, Aurora Parodi, Stefano Piaserico, Giuseppe Pistone, Concetta Potenza, Mario Puviani, Margherita Raucci, Sabina Vaccari, Stefano Veglio, Andrea Zanca, Ketty Peris
Actinic keratosis (AK) is a common keratinocyte intra-epidermal neoplasia. To assess AK prevalence and potential risk factors in patients attending Italian general dermatology clinics. This retrospective study was conducted on clinical data from consecutive white outpatients aged ≥30 years, attending 24 general dermatology clinics between December 2014 and February 2015. AK prevalence (entire population) and multivariate risk factor analysis (patients with current/previous AK and complete data) are presented...
December 1, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29287164/cyclooxygenase-2-expression-in-the-eyes-of-cats-with-and-without-uveitis
#15
Zhi Hui Sim, Chantale L Pinard, Brandon L Plattner, Dorothee Bienzle
OBJECTIVE To characterize the distribution and intensity of cyclooxygenase (COX)-2 expression in the eyes of cats with and without uveitis and to determine whether COX-2 expression is correlated with severity of inflammation. SAMPLES Archived ocular tissue specimens from 51 cats with and 10 cats without ocular disease. PROCEDURES Specimens from only 1 eye were evaluated for each cat. Specimens were stained with H&E stain or immunohistochemical stain for detection of COX-2 and reviewed. For each eye, the type, severity, and distribution of inflammation and the distribution and intensity of COX-2 expression were determined for the uvea and other ocular tissues...
January 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29285235/eyes-absent-gene-eya1-is-a-pathogenic-driver-and-a-therapeutic-target-for-melanoma
#16
Joshua Jiawei Zhou, Yuanshen Huang, Xue Zhang, Yabin Cheng, Liren Tang, Xiaodong Ma
EYA1 is a DNA repair enzyme that is induced after DNA damage and is upregulated in melanoma. However, its role in pathogenesis and therapeutic targeting of melanoma is unknown. Our objectives are (1) to study the relationship between EYA1 expression levels and melanoma patients' clinical pathologic parameters including survival; (2) to investigate its impact on cultured melanoma cells in vitro; and (3) to evaluate EYA1 inhibitors' potential as a treatment of melanoma. Melanoma tissue microarrays were used to assess EYA1 protein expression in 326 melanoma tissues, and to correlate the expression with patients' clinical pathological parameters...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29280938/choroidal-tumor-biopsy-a-review-of-the-current-state-and-a-glance-into-future-techniques
#17
Avni P Finn, Miguel A Materin, Prithvi Mruthyunjaya
PURPOSE: To review the indications for and the methods of obtaining biopsies in eyes with uveal melanoma. In addition, this review provides recommendations for avoiding biopsy-related complications and discusses the future directions of biopsy techniques for uveal melanoma. METHODS: This review is based on a presentation by the authors (PM and MM) at the 2017 Duke Advanced Vitreoretinal Surgery Course and an extensive literature review using PubMed. RESULTS: Transscleral and transvitreal fine-needle aspiration biopsy, and transvitreal vitrectomy-assisted biopsy techniques are described...
December 26, 2017: Retina
https://www.readbyqxmd.com/read/29260433/coordinated-targeting-of-mmp-2-mmp-9-by-mir-296-3p-foxcut-exerts-tumor-suppressing-effects-in-choroidal-malignant-melanoma
#18
Xinhe Wang, Yuedong Hu, Jianyi Cui, Yun Zhou, Lei Chen
Choroidal melanoma is the most common intraocular tumor in adults, and overexpression of matrix metalloproteinase-2 or matrix metalloproteinase-9 (MMP-2/MMP-9) is associated with angiogenesis and tumor metastasis of the choroidal malignant melanoma (CMM). This study aims to investigate the functions and mechanisms of microRNA or long non-coding RNA-targeted MMP-2/MMP-9 in CMM. We demonstrated that expressions of MMP-2/MMP-9 were increased in CMM tissues and C918 cells in comparison with normal choroidal melanocytes...
December 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29250968/-ocular-surface-squamous-neoplasia
#19
Gábor Tóth, Gábor László Sándor, Andrea Gyenes, Jeannette Tóth, Berthold Seitz, Zoltán Zsolt Nagy, Nóra Szentmáry
To summarize actual knowledge on epidemiology, etiology, pathology, clinical apparence and treatment of ocular surface squamous neoplasias. We summarize up-to-date literature on conjunctival intraepithelial neoplasia and invasive squamous cell carcinoma and present some own cases. Ocular surface squamous neoplasia is the most common malignant ocular surface tumor and the third most common ocular malignancy following malignant melanoma and lymphoma. In spite of its low malignant potential, in advanced stages it may reduce visual acuity significantly or even the eye globe has to be removed...
December 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29247507/clinicopathological-characteristics-of-cutaneous-malignant-melanoma-in-patients-at-a-tertiary-hospital-in-macaronesia-survival-as-a-function-of-locoregional-prognostic-factors-per-the-american-joint-committee-on-cancer
#20
Ricardo Fernández-de-Misa Cabrera, Benjamín González Delgado, Luisa E Gambra Michel, Cristian Casale, Antonio Lopez Figueroa, Jon Uña Gorospe, José C Martínez Cedrés, Miguel A Cabrera Suárez, Sofía Garrido Ríos, Noelia Hernández Hernández, Alejandro Tébar Díaz, Aitana Sánchez Barrios, Ana Allende Riera, Antonio Perera Molinero
BACKGROUND: Despite suffering high ultraviolet radiation levels, few data on malignant melanoma (MM) in Macaronesia are available. METHODS: Observational study of cutaneous MM cases diagnosed during a period of 12 years at a tertiary hospital in Canary Islands. RESULTS: A total of 532 patients (female/male = 1.4) with an average age of 56 years were included; 5% developed more than one MM, and 7% reported family history of MM. Phototype II (43%), dark eyes (41%), and dark hair (41%) predominated...
December 16, 2017: International Journal of Dermatology
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