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Iris melanoma

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https://www.readbyqxmd.com/read/28882848/orbital-recurrence-of-iris-melanoma-21-years-after-enucleation
#1
Emilie Bergeron, Nadia Lihimdi, Dan Bergeron, Solange Landreville
We present the case of a 56-year-old man who developed a neoplasm of epithelioid histology in his anophthalmic left orbit 21 years after he underwent enucleation for a spindle cell iris melanoma. The recurrent tumour was managed by orbital exenteration. Neither further recurrence nor metastasis was diagnosed over a 5-year follow-up period. This case, along with five other similar cases in the literature,(1-3) emphasises the importance of long-term follow-up after treatment of iris melanoma.
September 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28868012/treatment-of-primary-and-metastatic-multifocal-mucosal-melanoma-of-the-oral-cavity-with-imatinib
#2
Teresa Deinlein, Ingrid H Wolf, Barbara Rainer, Romana Kupsa, Erika Richtig, Rainer Hofmann-Wellenhof, Iris Zalaudek
BACKGROUND: Mucosal melanoma of the oral cavity is a rare entity and accounts for less than 1-3% of all melanomas. Contrary to cutaneous melanoma, primary oral melanoma more commonly harbors mutations in c-KIT. METHODS: A 64-year-old man presented with asymptomatic, multiple, brown-to-black macules in the oral cavity. A biopsy was taken and histopathology exhibited mucosal melanoma. In molecular analysis, a c-KIT mutation was proven and a CT scan revealed pulmonary metastases...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28845329/evaluation-of-iris-melanoma-with-anterior-segment-optical-coherence-tomography
#3
Mehtap Arslantürk Eren, Ahmet Kaan Gündüz, Özlenen Ömür Gündüz
Anterior segment optical coherence tomography (AS-OCT) is a relatively new imaging modality that allows assessment of anterior segment structures. AS-OCT enables the differentiation of benign and malignant tumors through the evaluation of lesion size, internal structure, degree of vascularity, and anterior and posterior surfaces. Herein, we discuss the AS-OCT findings of a patient with spindle type iridociliary melanoma diagnosed in pathologic examination.
August 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28844752/multifocal-iris-melanoma-in-a-2-year-old-managed-with-i-125-plaque-brachytherapy
#4
Andrew R Lee, Dilraj S Grewal, Thomas J Cummings, Laura B Enyedi, Nicole A Larrier, Prithvi Mruthyunjaya
No abstract text is available yet for this article.
August 24, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28837522/risk-factors-and-clinical-outcomes-in-patients-with-ibd-with-melanoma
#5
Loes H C Nissen, Marieke Pierik, Lauranne A A P Derikx, Elke de Jong, Wietske Kievit, Tim R A van den Heuvel, Alexander R van Rosendael, Elsemieke I Plasmeijer, Pieter Dewint, Rob H A Verhoeven, Lucy I H Overbeek, Iris D Nagtegaal, Frank Hoentjen, Andrea E van der Meulen-de Jong
BACKGROUND: Patients with inflammatory bowel disease (IBD) are at increased risk to develop malignant melanoma and this risk may increase with use of anti-tumor necrosis factor (TNF) therapy. Impaired survival of immunosuppressed melanoma patients is reported in transplant and rheumatology patients. This study aims to (1) identify risk factors for melanoma development in patients with IBD, (2) compare clinical characteristics of melanoma in patients with IBD to the general population, and (3) assess the influence of immunosuppressive medication on survival...
August 22, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28799019/endometriosis-and-the-risk-of-skin-cancer-a-prospective-cohort-study
#6
Leslie V Farland, Simon Lorrain, Stacey A Missmer, Laureen Dartois, Iris Cervenka, Isabelle Savoye, Sylvie Mesrine, Marie-Christine Boutron-Ruault, Marina Kvaskoff
PURPOSE: Endometriosis has been associated with an increased risk of skin melanoma. However, associations with other skin cancer types and how they compare with melanoma are unclear. Our objective was to prospectively investigate the relationships between endometriosis and risk of non-melanoma and melanoma skin cancers. METHODS: E3N is a prospective cohort of 98,995 French women aged 40-65 years in 1990. Data on surgically confirmed endometriosis and skin cancer diagnoses were collected every 2-3 years through self-report, with skin cancer cases confirmed through pathology reports...
August 10, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28762556/nadph-oxidase-5-nox5-induced-reactive-oxygen-signaling-modulates-normoxic-hif-1%C3%AE-and-p27-kip1-expression-in-malignant-melanoma-and-other-human-tumors
#7
Smitha Antony, Guojian Jiang, Yongzhong Wu, Jennifer L Meitzler, Hala R Makhlouf, Diana C Haines, Donna Butcher, Dave S Hoon, Jiuping Ji, Yiping Zhang, Agnes Juhasz, Jiamo Lu, Han Liu, Iris Dahan, Mariam Konate, Krishnendu K Roy, James H Doroshow
NADPH oxidase 5 (NOX5) generated reactive oxygen species (ROS) have been implicated in signaling cascades that regulate cancer cell proliferation. To evaluate and validate NOX5 expression in human tumors, we screened a broad range of tissue microarrays (TMAs), and report substantial overexpression of NOX5 in malignant melanoma and cancers of the prostate, breast, and ovary. In human UACC-257 melanoma cells that possesses high levels of functional endogenous NOX5, overexpression of NOX5 resulted in enhanced cell growth, increased numbers of BrdU positive cells, and increased γ-H2AX levels...
August 1, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28761960/seven-non-melanoma-features-of-facial-lesions-a-dermatoscopy-algorithm-to-rule-out-melanoma
#8
Philipp Tschandl, Alessio Gambardella, Amélie Boespflug, Teresa Deinlein, Vincenzo de Giorgi, Harald Kittler, Aimilios Lallas, Josep Malvehy, Elvira Moscarella, Susana Puig, Massimiliano Scalvenzi, Luc Thomas, Iris Zalaudek, Roberto Alfano, Giuseppe Argenziano
Facial melanoma is difficult to diagnose and dermatoscopic features are often subtle. Dermatoscopic non-melanoma patterns may have a comparable diagnostic value. In this pilot study, facial lesions were collected retrospectively, resulting in a case set of 339 melanomas and 308 non-melanomas. Lesions were evaluated for the prevalence (> 50% of lesional surface) of 7 dermatoscopic non-melanoma features: scales, white follicles, erythema/reticular vessels, reticular and/or curved lines/fingerprints, structureless brown colour, sharp demarcation, and classic criteria of seborrhoeic keratosis...
August 1, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28757700/brachytherapy-and-anterior-segment-imaging-in-iris-melanoma
#9
Jin Soo Andy Song, Adam A Dmytriw, Hesham Lakosha
Ultrasound biomicroscopy (UBM) remains a potent tool in the diagnosis and characterization of uveal lesions. In the setting of malignancy, it can confirm both placement of and response to brachytherapy. We present a case of iris melanoma with aggressive BAP-1 mutation, treated successfully with I-131 brachytherapy which was both characterized and followed with UBM and thereafter discuss the current state of these modalities.
May 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28743137/-surgical-methods-in-the-treatment-of-uveal-melanoma
#10
Georgios Blatsios, Gertrud Haas, Claus Zehetner, Nikolaos E Bechrakis
Significant advancements have been made in the last decades in the treatment of uveal melanoma. Radiation therapy can achieve, depending on the method, local tumour control in up to 98% of cases. Surgical modalities have been implemented in the ocular therapy for uveal melanoma either to treat/prevent radiation complications, such as so-called toxic tumour syndrome, or to primarily treat the tumour with or without adjunctive radiotherapy. These include endoresection and transscleral resection for melanomas of the choroid/ciliary body or irido-trabeculo-cyclectomy for melanomas of the iris-ciliary body...
July 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28721444/neovascular-glaucoma-after-proton-beam-therapy-of-choroidal-melanoma-incidence-and-risk-factors
#11
Aline I Riechardt, Daniel Pilger, Dino Cordini, Ira Seibel, Enken Gundlach, Annette Hager, Antonia M Joussen
PURPOSE: To analyze the risk factors for the development of neovascular glaucoma (NVG) of patients with choroidal melanoma after proton beam therapy (PBT). METHOD: Clinical case series, retrospective study. We evaluated 629 consecutive patients receiving proton beam therapy for the treatment of a choroidal melanoma at the oncology service at Charité, Berlin and Helmholtz-Zentrum, Berlin between 05/1998 and 11/2008 regarding the development and risk factors of NVG...
July 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28700778/frequent-gnaq-gna11-and-eif1ax-mutations-in-iris-melanoma
#12
Simone L Scholz, Inga Möller, Henning Reis, Daniela Süßkind, Johannes A P van de Nes, Sonia Leonardelli, Bastian Schilling, Elisabeth Livingstone, Tobias Schimming, Annette Paschen, Antje Sucker, Rajmohan Murali, Klaus-Peter Steuhl, Dirk Schadendorf, Henrike Westekemper, Klaus G Griewank
Purpose: The most common malignant intraocular tumors with a high mortality in adults are uveal melanomas. Uveal melanomas arise most frequently in the choroid or ciliary body (97%) and rarely in the iris (3%). Whereas conjunctival and posterior uveal (ciliary body and choroidal) melanomas have been studied in more detail genetically, little data exist regarding iris melanomas. Methods: In our study, we genetically analyzed 19 iris melanomas, 8 ciliary body melanomas, 3 ring melanomas, and 4 iris nevi...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28685998/iridociliary-cysts-masquerading-as-neoplasia-in-cats-a-morphologic-review-of-14-cases
#13
Jessica A Fragola, Richard R Dubielzig, Ellison Bentley, Leandro B C Teixeira
OBJECTIVE: To report 14 neoplasia-free feline eyes enucleated for suspected intraocular neoplasia containing only iridociliary cysts. To analyze clinical findings that may have led veterinarians to suspect neoplasia in these globes. PROCEDURES: The archives at the Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW) were searched to identify neoplasia-free feline globes enucleated for suspected neoplasia. Clinical data were obtained from medical records, veterinarian surveys, and COPLOW submission forms...
July 6, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28673748/late-solitary-extraocular-recurrence-from-previously-resected-iris-melanoma
#14
Ido Didi Fabian, Caroline Thaung, Lamis AlHarby, Karen Sisley, Hardeep S Mudhar, Rachel E Doherty, Andrew W Stacey, Amit K Arora, Victoria M L Cohen, Mandeep S Sagoo
PURPOSE: To report on cases of late extraocular relapse of previously resected iris melanoma, without concurrent intraocular recurrence. DESIGN: Retrospective case series. METHODS: A retrospective chart review of 4 patients diagnosed with late subconjunctival relapse of previously resected iris melanoma. RESULTS: Three female patients and 1 male patient underwent iris tumor resection and presented to our service with suspicious conjunctival lesions at a median of 22 years later (mean: 21 years)...
September 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28657611/cspg4-a-target-for-selective-delivery-of-human-cytolytic-fusion-proteins-and-trail
#15
REVIEW
Sandra Jordaan, Shivan Chetty, Neelakshi Mungra, Iris Koopmans, Peter E van Bommel, Wijnand Helfrich, Stefan Barth
Chondroitin-sulfate proteoglycan 4 (CSPG4) is a transmembrane glycoprotein overexpressed on malignant cells in several cancer types with only limited expression on normal cells. CSPG4 is implicated in several signaling pathways believed to drive cancer progression, particularly proliferation, motility and metastatic spread. Expression may serve as a prognostic marker for survival and risk of relapse in treatment-resistant malignancies including melanoma, triple negative breast cancer, rhabdomyosarcoma and acute lymphoblastic leukemia...
June 28, 2017: Biomedicines
https://www.readbyqxmd.com/read/28631017/proton-therapy-of-iris-melanoma-with-50%C3%A2-cge-influence-of-target-volume-on-clinical-outcome
#16
Aline I Riechardt, Bettina Karle, Dino Cordini, Jens Heufelder, Volker Budach, Antonia M Joussen, Johannes Gollrad
PURPOSE: The aim of this study was to evaluate local tumour control, incidence of radiation-induced glaucoma and associated interventions of sector-based and whole anterior segment proton beam therapy (PBT) for the treatment of iris melanoma. PATIENTS AND METHODS: We retrospectively analysed the data of 77 patients with iris melanoma who underwent PBT applied as 50 CGE in four daily fractions. Of the patients, 47 received PBT with a circular-shaped collimator and 30 with a conformal sector-shaped target volume...
June 19, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28624577/identification-of-an-immune-specific-class-of-hepatocellular-carcinoma-based-on-molecular-features
#17
Daniela Sia, Yang Jiao, Iris Martinez-Quetglas, Olga Kuchuk, Carlos Villacorta-Martin, Manuel Castro de Moura, Juan Putra, Genis Camprecios, Laia Bassaganyas, Nicholas Akers, Bojan Losic, Samuel Waxman, Swan N Thung, Vincenzo Mazzaferro, Manel Esteller, Scott L Friedman, Myron Schwartz, Augusto Villanueva, Josep M Llovet
BACKGROUND & AIMS: Agents that induce an immune response against tumors by altering T-cell regulation have increased survival times of patients with advanced-stage tumors, such as melanoma or lung cancer. We aimed to characterize molecular features of immune cells that infiltrate hepatocellular carcinomas (HCCs) to determine whether these types of agents might be effective against liver tumors. METHODS: We analyzed HCC samples from 956 patients. We separated gene expression profiles from tumor, stromal, and immune cells using a non-negative matrix factorization algorithm...
June 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28600302/use-of-ruthenium-106-brachytherapy-for-iris-melanoma-the-scottish-experience
#18
Umiya Agraval, Manvi Sobti, Heather C Russell, David Lockington, Diana Ritchie, Paul Cauchi, Ewan G Kemp, Vikas Chadha
PURPOSE: To analyse long-term outcomes of ruthenium-106 ((106)Ru) plaque brachytherapy for the treatment of iris melanoma. METHODS: We retrospectively reviewed medical records of 19 consecutive patients with pure iris melanoma treated with (106)Ru plaque brachytherapy between 1998 and 2016 at the Scottish Ophthalmic Oncology Service, Glasgow. The iris melanoma was treated with a ruthenium plaque placed on the corneal surface to deliver a surface dose of 555 Gy. We analysed vision preservation, local tumour control, radiation-related complications, eye retention rates, symptomatic metastasis and melanoma-related mortality...
June 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28578276/decoding-nadph-oxidase-4-expression-in-human-tumors
#19
Jennifer L Meitzler, Hala R Makhlouf, Smitha Antony, Yongzhong Wu, Donna Butcher, Guojian Jiang, Agnes Juhasz, Jiamo Lu, Iris Dahan, Pidder Jansen-Dürr, Haymo Pircher, Ajay M Shah, Krishnendu Roy, James H Doroshow
NADPH oxidase 4 (NOX4) is a redox active, membrane-associated protein that contributes to genomic instability, redox signaling, and radiation sensitivity in human cancers based on its capacity to generate H2O2 constitutively. Most studies of NOX4 in malignancy have focused on the evaluation of a small number of tumor cell lines and not on human tumor specimens themselves; furthermore, these studies have often employed immunological tools that have not been well characterized. To determine the prevalence of NOX4 expression across a broad range of solid tumors, we developed a novel monoclonal antibody that recognizes a specific extracellular region of the human NOX4 protein, and that does not cross-react with any of the other six members of the NOX gene family...
May 26, 2017: Redox Biology
https://www.readbyqxmd.com/read/28541267/choroidal-melanoma-sector-melanocytosis-and-retinal-pigment-epithelial-microdetachments-in-birt-hogg-dub%C3%A3-syndrome
#20
Charlotte L Marous, Molly R Marous, R Joel Welch, Jerry A Shields, Carol L Shields
PURPOSE: Birt-Hogg-Dubé Syndrome (BHDS) is a rare autosomal dominant condition that can predispose patients to numerous cutaneous fibrofolliculomas and other cutaneous lesions, pulmonary cysts with spontaneous pneumothorax, and multifocal renal tumors and cancer. The genetic mutations responsible for BHDS are related to tumor suppression and the mammalian target of rapamycin (mTOR) pathway. Previous reports of the ocular findings in BHDS include eyelid fibrofolliculomas, "flecked chorioretinopathy," and one report of choroidal melanoma...
May 22, 2017: Retinal Cases & Brief Reports
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