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Ocular melanoma

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https://www.readbyqxmd.com/read/29778279/outcomes-after-surgical-resection-of-lower-eyelid-tumors-and-reconstruction-using-a-nasal-chondromucosal-graft-and-an-upper-eyelid-myocutaneous-flap
#1
S Lemaître, C Lévy-Gabriel, L Desjardins, M González-Candial, S Gardrat, R Dendale, N Cassoux, B Couturaud
INTRODUCTION: Surgical excision of large malignant lower eyelid tumors may cause important full-thickness eyelid defects. The reconstruction of such defects must restore the physiologic function of the eyelid and also re-establish an acceptable aesthetic result. MATERIALS AND METHODS: We report the outcomes of full-thickness excision of tumors extending over half of the horizontal lid length, followed by reconstruction using a nasal chondromucosal graft (coming from the ipsilateral ala of the nose) and an upper eyelid myocutaneous flap...
May 16, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29772919/erythema-nodosum-as-the-initial-presentation-of-nivolumab-induced-sarcoidosis-like-reaction
#2
Alexandre Laroche, Evelyn Alarcon Chinchilla, Emilie Bourgeault, Marc-André Doré
BACKGROUND: We report a case of nivolumab-related sarcoidosis-like syndrome that initially presented with erythema nodosum. Sarcoidosis development has been described in single and combination immunotherapy. CASE PRESENTATION: A 68-year-old white woman with metastatic ocular amelanotic choroid melanoma was treated with nivolumab. The patient developed histologically confirmed erythema nodosum lesions and pulmonary granuloma sarcoidosis. Nivolumab was discontinued and the patient started ipilimumab therapy...
May 1, 2018: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29765942/malpractice-litigation-in-ocular-oncology
#3
Stephanie B Engelhard, Mary E Aronow, Christopher T Shah, Austin J Sim, Ashvini K Reddy
Aims: The aim of this study was to report and analyze the causes and outcomes of ocular oncology malpractice litigation. Methods: The WestLaw® database was reviewed for all litigation related to ophthalmology in the United States from 1930 to 2014. All ocular oncology cases were included in this analysis and compared to other ophthalmic subspecialties. Results: Sixteen ocular oncology malpractice cases were included in this study. Overall, 56...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29755733/recent-advancements-in-the-management-of-retinoblastoma-and-uveal-melanoma
#4
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/29732441/quantitative-oct-angiography-evaluation-of-peripapillary-retinal-circulation-after-plaque-brachytherapy
#5
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/29722002/genetics-of-metastasis-melanoma-and-other-cancers
#6
Noel Turner, Olivia Ware, Marcus Bosenberg
Melanoma is a malignant neoplasm of melanocytes that accounts for the majority of skin cancer deaths despite comprising less than 5% of all cutaneous malignancies. Its incidence has increased faster than that of any other cancer over the past half-century and the annual costs of treatment in the United States alone have risen rapidly. Although the majority of primary melanomas are cured with local excision, metastatic melanoma historically carries a grim prognosis, with a median survival of 9 months and a long-term survival rate of 10%...
May 2, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29707895/gamma-irradiation-of-ocular-melanoma-and-lymphoma-cells-in-the-presence-of-gold-nanoparticles-in-vitro-study
#7
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/29705056/long-term-metastatic-risk-after-biopsy-of-posterior-uveal-melanoma
#8
Mette Bagger, Isabel Smidt-Nielsen, Mette K Andersen, Peter K Jensen, Steffen Heegaard, Klaus K Andersen, Søren Friis, Jens F Kiilgaard
PURPOSE: Biopsy of posterior uveal melanoma continues to be intensely debated in terms of the clinical benefits and safety profile. Although several studies have reported a low frequency of ocular complications after tumor biopsy, the potential long-term risk of iatrogenic dissemination remains unresolved. The purpose of this study was to assess the risk of metastatic disease after biopsy of posterior uveal melanoma. DESIGN: Retrospective nationwide cohort study linking clinical and histopathologic records to pathology, cancer, and mortality registries...
April 25, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29703285/outcomes-of-cataract-surgery-in-eyes-with-ocular-melanoma-treated-with-iodine-125-brachytherapy
#9
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
#10
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/29696577/expression-of-the-serotonin-receptor-2b-in-uveal-melanoma-and-effects-of-an-antagonist-on-cell-lines
#11
Cindy Weidmann, Julie Bérubé, Léo Piquet, Arnaud de la Fouchardière, Solange Landreville
Uveal melanoma (UM) is the most common primary tumor in the adult, and disseminates to the liver in half of patients. A 15-gene expression profile prognostic assay allows to determine the likelihood of metastasis in patients using their ocular tumor DNA, but a cure still remains to be discovered. The serotonin receptor 2B represents the discriminant gene of this molecular signature with the greatest impact on the prognosis of UM. However, its contribution to the metastatic potential of UM remains unexplored...
April 25, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29677240/uveal-effusion-after-immune-checkpoint-inhibitor-therapy
#12
Merina Thomas, Stephen T Armenti, M Bernadete Ayres, Hakan Demirci
Importance: Immune checkpoint inhibitors, including antiprogrammed cell death protein-1 (anti-PD-1) and antiprogrammed cell death ligand-1 (anti-PD-L1) monoclonal antibodies, have recently been introduced as a promising new immunotherapy for solid cancers. The adverse effects typically include inflammation of the skin, endocrine, and gastrointestinal systems. Objective: To describe 3 patients who developed uveal effusion after initiating anti-PD-1 and anti-PD-L1 monoclonal antibody therapy...
April 12, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29672247/management-of-chronic-hypotony-following-bilateral-uveitis-in-a-patient-treated-with-pembrolizumab-for-cutaneous-metastatic-melanoma
#13
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/29663723/intraocular-metastasis-of-medullary-thyroid-carcinoma-investigated-by-transscleral-fine-needle-aspiration-a-case-report-and-review-of-the-literature
#14
Małgorzata Gajdzis, Nathalie Cassoux, Maria Lesnik, Caroline Hoffmann, Nathalie Badois, Paweł Gajdzis, Jerzy Klijanienko
Medullary thyroid carcinoma occurs in a sporadic setting and may also be inherited in an autosomal dominant fashion, which is related with germline mutations of the RET gene. Metastases are often present at the time of a diagnosis-most frequently within the cervical lymph nodes, followed by the liver, lungs, and bones. Intraocular metastases are extremely rare. We present a case of choroidal metastasis as a first presentation of disease progression in a patient with Multiple Endocrine Neoplasia type 2A syndrome (MEN2A) who had undergone thyroidectomy 33 years earlier for medullary thyroid carcinoma...
April 16, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29659389/fdg-pet-ct-focal-uptake-on-an-ocular-prosthesis
#15
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
#16
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
https://www.readbyqxmd.com/read/29625446/quantitative-evaluation-of-vascular-microcirculation-using-contrast-enhanced-ultrasound-imaging-in-rabbit-models-of-choroidal-melanoma
#17
Min Gao, Jinhua Tang, Kun Liu, Ming Yang, Haiyun Liu
Purpose: We investigated the application of contrast-enhanced ultrasound (CEUS) to quantify vascular perfusion in two animal models of choroidal melanoma. Methods: B16F10 and choroidal melanoma cell line (OCM1) melanoma xenografts were implanted into the cyclodialysis cleft of rabbits' right eyes. Fundus photography, indocyanine green angiography (ICGA), B-mode ultrasound, and CEUS were used to examine the tumors. Standard vascular parameters of CEUS imaging were evaluated, including the area under the receiver operating characteristic curve (AUC), peak intensity (IMAX), mean transit time (mTT), rise time, and time to peak...
March 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29614755/transplantable-melanomas-in-hamsters-and-gerbils-as-models-for-human-melanoma-sensitization-in-melanoma-radiotherapy-from-animal-models-to-clinical-trials
#18
REVIEW
Martyna Śniegocka, Ewa Podgórska, Przemysław M Płonka, Martyna Elas, Bożena Romanowska-Dixon, Małgorzata Szczygieł, Michał A Żmijewski, Mirosława Cichorek, Anna Markiewicz, Anna A Brożyna, Andrzej T Słominski, Krystyna Urbańska
The focus of the present review is to investigate the role of melanin in the radioprotection of melanoma and attempts to sensitize tumors to radiation by inhibiting melanogenesis. Early studies showed radical scavenging, oxygen consumption and adsorption as mechanisms of melanin radioprotection. Experimental models of melanoma in hamsters and in gerbils are described as well as their use in biochemical and radiobiological studies, including a spontaneously metastasizing ocular model. Some results from in vitro studies on the inhibition of melanogenesis are presented as well as radio-chelation therapy in experimental and clinical settings...
April 1, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29601654/predictors-of-anxiety-and-depression-two-years-following-treatment-in-uveal-melanoma-survivors
#19
Stephen L Brown, Laura Hope-Stone, Heinrich Heimann, Bertil Damato, Peter Salmon
BACKGROUND: We examined the role of post-treatment symptoms and functional problems, and of worry about recurrent disease (WREC), in predicting and probable anxiety and depression cases 24 months after diagnosis in survivors of posterior uveal melanoma (UM). We examined whether WREC mediates links between symptoms, functional problems, and probable anxiety and depression cases. METHODS: Prospective cohort study of 261 treated UM survivors 6, 12 and 24 months after diagnosis...
March 30, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29593251/targeting-mdmx-and-pkc%C3%AE-to-improve-current-uveal-melanoma-therapeutic-strategies
#20
R C Heijkants, M Nieveen, K C 't Hart, A F A S Teunisse, A G Jochemsen
Uveal melanoma (UM) is the most frequent ocular cancer in adults, accounting for ~5% of the total melanoma incidence. Although the primary tumor is well treatable, patients frequently develop metastases for which no curative therapy exists. Highly activated protein kinase C (PKC) is a common feature of UM and has shown potential as therapeutic intervention for UM patients. Unfortunately, PKC inhibition as single treatment appears to have only limited clinical benefit. Combining PKC inhibition with activation of p53, which is rarely mutated in UM, by MDM2 inhibitors has shown promising results in vitro and in vivo...
March 29, 2018: Oncogenesis
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