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https://www.readbyqxmd.com/read/28095610/uveal-schwannoma-in-a-brown-eyed-dog
#1
Todd L Marlo, Elizabeth A Giuliano, Cecil P Moore, Gillian C Shaw, Leandro B C Teixeira
An eleven-year-old, female spayed Boxer dog was diagnosed with a uveal schwannoma (formerly known as the spindle cell tumor of the blue-eyed dog or SCTBED) despite having a uniformly brown iris. The patient presented to emergency for ocular discomfort, and the right globe was subsequently enucleated due to glaucoma and submitted for histopathology. Upon histopathologic evaluation, a uveal schwannoma was diagnosed and confirmed with immunohistochemical staining. Complete metastatic evaluation 1 and 6 months after initial presentation did not reveal evidence of metastasis, and the dog remains systemically healthy...
January 17, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28048976/repeat-episcleral-plaque-brachytherapy-clinical-outcomes-in-patients-treated-for-locally-recurrent-posterior-uveal-melanoma
#2
Benjamin King, Vanessa M Morales-Tirado, Henry G Wynn, Brad T Gao, Matthew T Ballo, Matthew W Wilson
PURPOSE: Report the outcomes of survival, local control, visual acuity and eye retention in patients treated with repeat episcleral plaque brachytherapy (EPBT) for locally recurrent posterior uveal melanoma (PUM). DESIGN: Retrospective, interventional case series METHODS: Setting: Institutional Patient Population: 1201 patients that underwent Iodine-125 (I-125) EPBT as primary treatment for PUM between 1985 and 2015 Inclusion criteria: Development of locally recurrent disease and retreatment with I-125 EPBT Observation Procedures: Clinical records review Main Outcome Measures: Visual acuity, Kaplan-Meier estimates of survival, local control, metastasis and loss of the eye over the duration of follow up RESULTS: Twenty-seven patients (13 men) met our inclusion criteria...
December 31, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28045860/late-onset-choroidal-metastasis-from-breast-cancer
#3
Ashleigh L Levison, Feyza Erenler, Yue Zhao, Daniel F Martin, Careen Lowder, G Thomas Budd, Arun D Singh
PURPOSE: Report occurrence of late-onset choroidal metastasis from breast cancer. METHODS: Retrospective chart review. RESULTS: The authors report 3 patients with choroidal metastasis from breast cancer that presented more than 20 years after diagnosis of the primary tumor. The choroidal metastases were the presenting feature of metastatic disease in all three patients, but after imaging, all patients had metastasis elsewhere as well. Two of the patients' tumors were known, ER+, and the hormone receptor status of the third patient was unknown...
December 30, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27974237/copy-number-variation-analysis-and-methylome-profiling-of-a-gnaq-mutant-primary-meningeal-melanocytic-tumor-and-its-liver-metastasis
#4
Heidi V N Küsters-Vandevelde, Vibeke Kruse, Tom Van Maerken, Tom Boterberg, Rolph Pfundt, David Creytens, Caroline Van den Broecke, Trudi C Machielsen, Christian Koelsche, Andreas von Deimling, Benno Küsters, Patricia J T A Groenen, Pieter Wesseling, Willeke A M Blokx
Primary meningeal melanocytic tumors have genetic similarities with uveal melanomas, including GNAQ or GNA11 mutations. While BAP1 mutations and loss of chromosome 3 have adverse prognostic meaning in uveal melanoma, genetic alterations associated with metastasis have not been investigated in primary meningeal melanocytic tumors. We describe a 43-year-old female with a GNAQ-mutated, BAP1-wt melanocytic tumor originating in the parietal brain region and liver metastases 4years after initial diagnosis. After repeated surgery and chemotherapy she was treated with the immunomodulatory agent ipilimumab...
December 11, 2016: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/27915441/ovarian-metastasis-from-uveal-melanoma-with-mlh1-pms2-protein-loss-in-a-patient-with-germline-mlh1-mutated-lynch-syndrome-consequence-or-coincidence
#5
João Lobo, Carla Pinto, Micaela Freitas, Manuela Pinheiro, Rámon Vizcaino, Esther Oliva, Manuel R Teixeira, Carmen Jerónimo, Carla Bartosch
Currently, uveal melanoma is not considered within the Lynch syndrome tumor spectrum. However, there are studies suggesting a contribution of microsatellite instability in sporadic uveal melanoma tumorigenesis. We report a 45-year-old woman who was referred for genetic counseling due to a family history of Lynch syndrome caused by a MLH1 mutation. She originally underwent enucleation of the right eye secondary to a uveal spindle cell melanoma diagnosed at age 25. The tumor recurred 22 years later presenting as an ovarian metastasis and concurrently a microscopic endometrial endometrioid carcinoma, grade 1/3 was diagnosed...
December 3, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27914117/endoresection-with-adjuvant-ruthenium-brachytherapy-for-selected-uveal-melanoma-patients-the-tuebingen-experience
#6
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/27911584/clinicopathological-characteristics-and-prognosis-for-survival-after-enucleation-of-uveal-melanoma-in-chinese-patients-long-term-follow-up
#7
Han Yue, Jiang Qian, Yifei Yuan, Rui Zhang, Yingwen Bi, Fengxi Meng, Yi Xuan
PURPOSE: To summarize the clinicopathological characteristics and prognosis of uveal melanoma (UM) after enucleation in Chinese patients. METHODS: Between 2003 and 2012, a series of 171 patients with UM received enucleation at the Eye & ENT Hospital of Fudan University in Shanghai. Patient clinical information was collected. Pathological examination and BAP1 staining of the enucleated eyes were conducted. Univariate and multivariate Cox proportional hazard regressions were conducted to determine the risk factors, and the survival rates were calculated and compared...
December 2, 2016: Current Eye Research
https://www.readbyqxmd.com/read/27911450/uveal-melanoma-relatively-rare-but-deadly-cancer
#8
REVIEW
S Kaliki, C L Shields
Although it is a relatively rare disease, primarily found in the Caucasian population, uveal melanoma is the most common primary intraocular tumor in adults with a mean age-adjusted incidence of 5.1 cases per million per year. Tumors are located either in iris (4%), ciliary body (6%), or choroid (90%). The host susceptibility factors for uveal melanoma include fair skin, light eye color, inability to tan, ocular or oculodermal melanocytosis, cutaneous or iris or choroidal nevus, and BRCA1-associated protein 1 mutation...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27906105/pancreatic-metastases-from-ocular-malignant-melanoma-the-use-of-endoscopic-ultrasound-guided-fine-needle-aspiration-to-establish-a-definitive-cytologic-diagnosis-a-case-report
#9
Diogo Turiani Hourneaux De Moura, Danielle Azevedo Chacon, Ryan Tanigawa, Martin Coronel, Spencer Cheng, Éverson L A Artifon, José Jukemura, Eduardo Guimarães Hourneaux De Moura
BACKGROUND: When encountering solid pancreatic lesions, nonpancreatic primary metastases are rare and differentiating a metastasis from a primary neoplastic lesion is challenging. The clinical presentation and radiologic features can be similar and the possibility of a pancreatic metastasis should be considered when the patient refers to a history of a different primary cancer. Endoscopic ultrasound offers a key anatomical advantage in accessing the pancreas and endoscopic ultrasound-guided fine-needle aspiration has become the gold standard method for diagnosing pancreatic lesions...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27895081/malignant-melanoma-of-cervix
#10
Mayank Gupta
A 68-year-old woman presented with symptoms of bleeding per vaginum. On examination, a growth was seen in the cervix, clinically considered to be squamous cell carcinoma. The growth was confined to the cervix and did not involve the parametria. However, on biopsy it was diagnosed as malignant melanoma. She underwent surgery elsewhere and was advised chemotherapy as these tumours are aggressive; however, she refused chemotherapy. She has been on regular follow-up and has an ongoing survival and disease-free period of more than 5 years...
November 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27881235/elucidating-the-role-of-the-foxo3a-transcription-factor-in-the-igf-1-induced-migration-and-invasion-of-uveal-melanoma-cancer-cells
#11
Fengxia Yan, Rifang Liao, Mohd Farhan, Tinghuai Wang, Jiashu Chen, Zhong Wang, Peter J Little, Wenhua Zheng
Uveal melanoma (UM) is the most common primary intraocular malignant tumor of adults. It has high mortality rate due to liver metastasis. However, the epidemiology and pathogenesis of liver metastasis in UM are not elucidated and there is no effective therapy available for preventing the development of this disease. IGF-1 is a growth factor involved in cell proliferation, malignant transformation and inhibition of apoptosis. In previous report, IGF-1 receptor was found to be highly expressed in UM and this was related to tumor prognosis...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27847622/clinical-application-of-genetic-testing-for-posterior-uveal-melanoma
#12
REVIEW
Victoria J Schopper, Zelia M Correa
Uveal melanoma is the most common primary intraocular tumor in adults, and it has a strong potential to metastasize. Traditionally, clinicopathological features of these tumors were used to provide a limited prediction of the metastatic risk. However, early genetic studies using karyotype analysis, fluorescence in situ hybridization, and comparative genetic hybridization of posterior uveal melanoma samples identified multiple chromosomal abnormalities associated with a higher risk of fatal metastasis. This correlation between specific genetic abnormalities in uveal melanoma and a patient's risk for development of metastasis has recently been widely studied, and the development of new prognostic tests has allowed clinicians to predict this metastatic risk with increased accuracy...
2016: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/27825810/dss1-promoter-hypomethylation-and-overexpression-predict-poor-prognosis-in-melanoma-and-squamous-cell-carcinoma-patients
#13
Mario Venza, Maria Visalli, Teresa Catalano, Concetta Beninati, Diana Teti, Isabella Venza
Previous studies have found a link between high expression levels of the Deleted in Split hand/Split foot 1 (DSS1) gene and cancer progression. The aim of this study was to examine whether overexpression of DSS1 is a feature of melanoma and squamous cell carcinoma (SCC) and if any epigenetic modifications are involved. Evaluation of DSS1 expression profile indicated that the gene is overexpressed in 112/130 cutaneous melanomas (86.1%), 41/64 uveal melanomas (64.1%), 67/82 mucosal melanomas (81.7%), and 61/75 SCC samples (81...
November 4, 2016: Human Pathology
https://www.readbyqxmd.com/read/27818205/histopathologic-analysis-of-trans-vitreal-fine-needle-aspiration-biopsy-needle-tracts-for-uveal-melanoma
#14
Ryan S Kim, Patricia Chevez-Barrios, Maria E Bretana, Tien P Wong, Bin S Teh, Amy C Schefler
PURPOSE: Perform the first in vivo examination of fine needle aspiration biopsy scleral tracts to determine the incidence of iatrogenic extension of tumor cells. DESIGN: A prospective, consecutive, observational case series. METHODS: Setting: Clinical/surgical setting at Retina Consultants of Houston and Houston Methodist Hospital, Houston, TX. PARTICIPANTS: Ten patients who were scheduled for enucleation as primary treatment for uveal melanoma...
November 3, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27790127/in-vivo-confocal-microscopy-in-differentiating-ipilimumab-induced-anterior-uveitis-from-metastatic-uveal-melanoma
#15
Hayyam Kiratli, Mehmet C Mocan, Murat İrkeç
This report aims to describe the facilitating role of in vivo confocal microscopy in differentiating inflammatory cells from a metastatic process in a patient with uveal melanoma and multiple systemic metastases who developed anterior uveitis while under ipilimumab treatment. A 43-year-old woman developed systemic metastases 11 months after treatment of amelanotic choroidal melanoma in her right eye with 30 Gy fractionated stereotactic radiotherapy. She first received temozolomide and then 4 cycles of ipilimumab 3 mg/kg/day...
September 2016: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/27725873/long-noncoding-rna-malat1-promotes-uveal-melanoma-cell-growth-and-invasion-by-silencing-of-mir-140
#16
Lei Sun, Peng Sun, Qi-Ying Zhou, Xiangchun Gao, Qing Han
Increasing evidences have demonstrated that long noncoding RNAs (LncRNAs) play a significant role in the development of tumor. However, the role of metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in uveal melanoma remains unknown. In this study, we demonstrated that the expression of MALAT1 was upregulated in the uveal melanoma tissues compared to normal tissues. Among them, MALAT1 was upregulated in 72% (18/25) uveal melanoma tissues compared to their paired normal tissues. Knockdown of MALAT1 suppressed uveal melanoma cell proliferation, colony information, invasion and migration...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27723895/effects-of-long-term-serial-passaging-on-the-characteristics-and-properties-of-cell-lines-derived-from-uveal-melanoma-primary-tumors
#17
Frédéric Mouriaux, Karine Zaniolo, Marjorie-Allison Bergeron, Cindy Weidmann, Arnaud De La Fouchardière, Frédéric Fournier, Arnaud Droit, Mohib W Morcos, Solange Landreville, Sylvain L Guérin
Purpose: Development of liver metastasis remains the most common cause of mortality in uveal melanoma (UM). A few cell lines cultured from primary UM tumors have been used widely to investigate the pathobiology of UM. However, the translation of basic knowledge to the clinic for the treatment of the metastatic disease has remained incremental at best. In this study, we examined whether the properties of UM cell lines at various passages were similar to their corresponding primary tumors...
October 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27660484/the-genetics-of-uveal-melanoma-current-insights
#18
REVIEW
Hildur Helgadottir, Veronica Höiom
Uveal melanoma (UM) is the most common malignant eye tumor in adults affecting ~7,000 individuals per year worldwide. UM is a rare subtype of melanoma with distinct clinical and molecular features as compared to other melanoma subtypes. UMs lack the most typical cutaneous melanoma-associated mutations (BRAF, NRAS, and NF1) and are instead characterized by a different set of genes with oncogenic or loss-of-function mutations. By next-generation sequencing efforts on UM tumors, several driver genes have been detected...
2016: Application of Clinical Genetics
https://www.readbyqxmd.com/read/27658977/-orbital-exenteration-in-patient-with-metastatic-choroidal-melanoma-a%C3%A2-case-report
#19
P Justusová, M Štubňa, M Veselovský, B Lipková
INTRODUCTION: Uveal melanoma is the most common primary intraocular tumour in adults in Caucasians and in 75% is arising from choroid. It threatens not only the patients loss of vision and eye, but also 50% of patients after 5-year interval after therapy die due to distant metastases. The treatment of small and medium-sized melanoma are methods preserving eye globe. Almost half of the total number of patients is still unavoidable enucleation. Considerably rarer is indicated exenteration of an orbit...
2016: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/27638702/23-mm-iodine-125-plaque-for-uveal-melanoma-benefit-of-vitrectomy-and-silicone-oil-on-visual-acuity
#20
Tara A McCannel, Mitchell Kamrava, Jeffrey Demanes, James Lamb, John D Bartlett, Robert Almanzor, Melissa Chun, Colin A McCannel
PURPOSE: To review outcomes in mostly large uveal melanoma treated with a 23-mm-diameter iodine-125 plaque, the largest size available at our center, and the influence of vitrectomy and silicone oil 1000 centistokes for radiation attenuation. METHODS: A one-to-one matched case-control comparison was performed. Case patients were treated with a 23-mm-diameter iodine-125 plaque and vitrectomy with silicone oil 1000-cSt placement. Control cases, treated with 23-mm plaque alone, were matched to cases with respect to tumor size and distance from tumor apex to optic nerve and fovea...
December 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
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