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https://www.readbyqxmd.com/read/28636996/increased-p16-and-p53-protein-expression-predicts-poor-prognosis-in-mucosal-melanoma
#1
Hanbin Chen, Yangyang Li, Yin Long, Erjiang Tang, Rongrong Wang, Kate Huang, Congying Xie, Guorong Chen
Primary mucosal melanoma (MM) is a rare, and aggressive, neoplasm with a poor prognosis. To date, few prognostic markers of MM have been well-defined. The aim of this study is to clarify the prognostic value of p53 and p16 proteins in predicting the clinical outcome of Chinese patients with MM.A total of 59 MM samples were contained from biopsy specimens, and, expressions of p53 and p16 proteins were assessed by immunohistochemistry. Cox regression analysis was performed to investigate the association of these proteins with the overall survival of MM patients...
June 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28630054/slc45a2-a-melanoma-antigen-with-high-tumor-selectivity-and-reduced-potential-for-autoimmune-toxicity
#2
Jungsun Park, Amjad H Talukder, Seonah Lim, Kwanghee Kim, Ke Pan, Brenda Melendez, Sherille D Bradley, Kyle Jackson, Jahan S Khalili, Junmei Wang, Caitlin Creasy, Bih-Fang Pan, Scott E Woodman, Chantale Bernatchez, David Hawke, Patrick Hwu, Kyung-Mi Lee, Jason Roszik, Gregory Lizee, Cassian Yee
Cytotoxic T lymphocyte (CTL)-based immunotherapies have had remarkable success at generating objective clinical responses in patients with advanced metastatic melanoma.  Although the melanocyte differentiation antigens (MDAs) MART-1, PMEL, and tyrosinase were among the first melanoma tumor-associated antigens identified and targeted with immunotherapy, expression within normal melanocytes of the eye and inner ear can elicit serious autoimmune side effects, thus limiting their clinical potential as CTL targets...
June 19, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28609317/characteristics-of-melanoma-in-japan-a-nationwide-registry-analysis-2011-2013
#3
Taro Tomizuka, Kenjiro Namikawa, Takahiro Higashi
The distribution and incidence of melanoma vary among different races and ethnic groups. This study aimed to investigate the characteristics of cutaneous melanoma, mucosal melanoma, uveal melanoma, and melanoma of unknown primary (MUP) origin in a Japanese population. We studied these four types of melanoma in patients registered in Hospital Based Cancer Registries in Japan from 2011 to 2013. A total of 5566 patients with melanoma were identified. The distribution of sex, age, primary site, and clinical stage was analyzed...
June 12, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28600969/prognostic-factors-and-treatment-outcomes-in-444-patients-with-mucosal-melanoma
#4
Markus V Heppt, Alexander Roesch, Benjamin Weide, Ralf Gutzmer, Friedegund Meier, Carmen Loquai, Katharina C Kähler, Anja Gesierich, Markus Meissner, Dagmar von Bubnoff, Daniela Göppner, Max Schlaak, Claudia Pföhler, Jochen Utikal, Lucie Heinzerling, Ioana Cosgarea, Jutta Engel, Renate Eckel, Alexander Martens, Laura Mirlach, Imke Satzger, Gabriele Schubert-Fritschle, Julia K Tietze, Carola Berking
BACKGROUND: Mucosal melanoma (MM) is a rare but diverse cancer entity. Prognostic factors are not well established for Caucasians with MM. PATIENTS AND METHODS: We analysed the disease course of 444 patients from 15 German skin cancer centres. Disease progression was determined with the cumulative incidence function. Survival times were estimated with the Kaplan-Meier method. Prognostic parameters were identified with multivariate Cox regression analysis. RESULTS: Common anatomic sites of primary tumours were head and neck (MMHN, 37...
June 7, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28598449/clinicopathological-study-of-malignant-melanoma-at-tertiary-care-centre
#5
S Thapa, A Ghosh, D Ghartimagar, T Prasad, R Narasimhan, O Talwar
INTRODUCTION: Malignant melanoma, which causes three fourth of all deaths related to skin cancer, is more common in Caucasian population compared to Asian population. There is no reliable information about malignant melanoma in Nepal hence an effort has been made to assess the clinical and pathological features of melanoma patients. METHODS: This was a retrospective hospital based study done in the department of Pathology. All cases of malignant melanoma diagnosed on biopsy during a period of 13 years were retrieved, reviewed and collated...
January 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28561682/advances-in-the-treatment-of-advanced-extracutaneous-melanomas-and-nonmelanoma-skin-cancers
#6
Kimberly M Komatsubara, Joanne Jeter, Richard D Carvajal, Kim Margolin, Dirk Schadendorf, Axel Hauschild
Cutaneous malignancies make up the greatest proportion of all human cancers and include melanomas as well as nonmelanoma skin cancers (NMSCs) such as basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC), as well as less common Merkel cell carcinoma (MCC), cutaneous lymphomas, cutaneous adnexal tumors, Kaposi sarcomas, and other sarcomas. Each of these NMSCs differ significantly in biology, clinical behavior, and optimal treatment recommendations from each other and from cutaneous melanoma...
2017: American Society of Clinical Oncology Educational Book
https://www.readbyqxmd.com/read/28543798/mucosal-melanoma-clinical-histological-and-c-kit-gene-mutational-profile-of-86-french-cases
#7
E Cinotti, J Chevallier, B Labeille, F Cambazard, L Thomas, B Balme, M T Leccia, M D'Incan, P Vercherin, C Douchet, P Rubegni, J L Perrot
BACKGROUND: Mucosal melanomas are rare and highly aggressive tumors. Few studies evaluated mucosal melanomas of locations other than the head and neck region, and other than those of the Asian population. OBJECTIVES: The objective of this study was to analyze the clinical and histological features, as well as the mutational status of c-kit and b-raf gene of mucosal melanoma in any localization in a French series. METHODS: We investigated clinical (sex, age, performance status, survival, treatment of the patients and lack of pigmentation of the tumors) and histopathologic features (ulceration, Breslow's index, mitotic rate), as well as the mutational status of c-kit and b-raf of 86 mucosal melanomas diagnosed in 15 years in four French University Hospitals...
May 22, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28535963/usefulness-of-11-c-methionine-pet-for-predicting-the-efficacy-of-carbon-ion-radiation-therapy-for-head-and-neck-mucosal-malignant-melanoma
#8
M Hasebe, K Yoshikawa, R Nishii, K Kawaguchi, T Kamada, Y Hamada
The aim of this study was to determine whether l-methyl-[(11)C]-methionine (MET) positron emission tomography (PET) allows the prediction of outcomes in patients with head and neck mucosal malignant melanoma treated with carbon ion radiation therapy (CIRT). This was a retrospective cohort study involving 85 patients who underwent a MET-PET or MET-PET/computed tomography (CT) examination before and after CIRT. MET uptake in the tumour was evaluated semi-quantitatively using the tumour-to-normal tissue ratio (TNR)...
May 20, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28533998/ipilimumab-as-a-cause-of-severe-pan-colitis-and-colonic-perforation
#9
Raj Shah, Danielle Witt, Talal Asif, Fahad F Mir
Ipilimumab is a human monoclonal antibody that functions as a cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) inhibitor that is used to treat malignant melanoma. Due to ipilimumab's removal of immune regulation, specifically through the inactivation of CTLA-4, it is commonly associated with inflammatory and autoimmune events. Gastrointestinal (GI) related immune-related adverse events such as diarrhea occur in 29% of patients with 7.6% of patients specifically suffering from colitis. We describe a case of colonic perforation with ipilimumab use...
April 20, 2017: Curēus
https://www.readbyqxmd.com/read/28524050/cutaneous-adverse-effects-during-ipilimumab-treatment-for-metastatic-melanoma-a-prospective-study
#10
Emi Dika, Giulia Maria Ravaioli, Pier Alessandro Fanti, Bianca Maria Piraccini, Martina Lambertini, Marco Adriano Chessa, Carlotta Baraldi, Simone Ribero, Ardizzoni Andrea, Barbara Melotti, Annalisa Patrizi
Ipilimumab is an immunomodulatory antibody directed against cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4), which is administered to patients with advanced melanoma, with a proven positive effect on overall survival. The cutaneous adverse effects (AEs) of ipilimumab are relatively frequent, although described as usually mild and rarely life threatening. To describe a three-year experience of a single institute in detecting and managing cutaneous AEs. A cohort of patients (n = 41) treated with ipilimumab (3 mg/kg/three weeks) for metastatic melanoma, from 2013 to 2016, was investigated for adverse cutaneous events...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28496329/minimally-invasive-endoscopic-resection-for-the-treatment-of-sinonasal-malignancy-the-outcomes-and-risk-factors-for-recurrence
#11
Ning He, Xiaohong Chen, Luo Zhang, Xuejun Chen, Zhigang Huang, Qi Zhong, Hongzhi Ma, Ling Feng, Lizhen Hou, Jugao Fang
PURPOSE: The role of minimally invasive endoscopic resection (MIER) in the treatment of sinonasal malignancy is controversial. Herein, we performed a retrospective review of a large case series of sinonasal malignancy patients treated with MIER aimed at evaluating the outcomes and identifying the risk factors for recurrence. METHODS: Patients with sinonasal malignancy who underwent MIER from March 2000 to May 2015 were enrolled, and their clinical data were collected...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28494469/mutation-status-among-patients-with-sinonasal-mucosal-melanoma-and-its-impact-on-survival
#12
Moran Amit, Samantha Tam, Ahmed S Abdelmeguid, Dianna B Roberts, Yoko Takahashi, Shaan M Raza, Shirley Y Su, Michael E Kupferman, Franco DeMonte, Ehab Y Hanna
BACKGROUND: Sinonasal mucosal melanoma (SNMM) comprises <1% of all melanomas and lacks well-characterised molecular markers. Our aim was to determine the frequencies of common mutations and examine their utility as molecular markers in a large series of primary SNMMs. METHODS: SNMM patients seen at our institution from August 1991 through July 2016 were identified. Genomic DNA was extracted from 66 formalin-fixed paraffin-embedded tumours and screened for mutations by direct sequencing...
June 6, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28490408/endoscopic-resection-of-sinonasal-mucosal-melanoma-has-comparable-outcomes-to-open-approaches
#13
Amar Miglani, Samir H Patel, Heidi E Kosiorek, Michael L Hinni, Richard E Hayden, Devyani Lal
BACKGROUND: Endoscopic endonasal resection (EER) of sinonasal mucosal melanoma (SMM) is a newer surgical alternative to traditional external and/or open resection (OR). Studies on long-term outcomes are necessary to validate EER for this aggressive sinonasal malignancy. OBJECTIVE: To compare outcomes of EER versus OR in SMM. METHODS: A case series of patients who underwent surgical resection of SMM at a tertiary-care institution (2000-2015) was studied retrospectively...
May 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28489445/mucosal-malignant-melanoma-presenting-with-huge-fleshy-dark-red-polyp-in-the-nasal-cavity
#14
Se-Hyung Kim
No abstract text is available yet for this article.
May 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28485171/braf-inhibitors-efficacious-and-tolerable-in-braf-mutant-acral-and-mucosal-melanoma
#15
X Bai, L L Mao, Z H Chi, X N Sheng, C L Cui, Y Kong, J Dai, X Wang, S M Li, B X Tang, B Lian, L Zhou, X Q Yan, J Guo, L Si
BRAF inhibitors substantially have impressive clinical efficacy in cutaneous melanoma. However, their role in acral and mucosal melanoma remains unclear. Records were reviewed of patients with metastatic or unresectable BRAF-mutant acral and mucosal melanoma hospitalized and administered BRAF inhibitors during January 2011 and March 2016. Clinical data were collected to determine PFS, ORR, DCR, OS, and safety. Among 28 acral and 12 mucosal melanoma treated with BRAF inhibitors, median PFS were 3.6 (95%CI 3...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28467829/whole-genome-landscapes-of-major-melanoma-subtypes
#16
Nicholas K Hayward, James S Wilmott, Nicola Waddell, Peter A Johansson, Matthew A Field, Katia Nones, Ann-Marie Patch, Hojabr Kakavand, Ludmil B Alexandrov, Hazel Burke, Valerie Jakrot, Stephen Kazakoff, Oliver Holmes, Conrad Leonard, Radhakrishnan Sabarinathan, Loris Mularoni, Scott Wood, Qinying Xu, Nick Waddell, Varsha Tembe, Gulietta M Pupo, Ricardo De Paoli-Iseppi, Ricardo E Vilain, Ping Shang, Loretta M S Lau, Rebecca A Dagg, Sarah-Jane Schramm, Antonia Pritchard, Ken Dutton-Regester, Felicity Newell, Anna Fitzgerald, Catherine A Shang, Sean M Grimmond, Hilda A Pickett, Jean Y Yang, Jonathan R Stretch, Andreas Behren, Richard F Kefford, Peter Hersey, Georgina V Long, Jonathan Cebon, Mark Shackleton, Andrew J Spillane, Robyn P M Saw, Núria López-Bigas, John V Pearson, John F Thompson, Richard A Scolyer, Graham J Mann
Melanoma of the skin is a common cancer only in Europeans, whereas it arises in internal body surfaces (mucosal sites) and on the hands and feet (acral sites) in people throughout the world. Here we report analysis of whole-genome sequences from cutaneous, acral and mucosal subtypes of melanoma. The heavily mutated landscape of coding and non-coding mutations in cutaneous melanoma resolved novel signatures of mutagenesis attributable to ultraviolet radiation. However, acral and mucosal melanomas were dominated by structural changes and mutation signatures of unknown aetiology, not previously identified in melanoma...
May 11, 2017: Nature
https://www.readbyqxmd.com/read/28467525/in-vivo-reflectance-confocal-microscopy-for-the-diagnosis-of-melanoma-and-melanotic-macules-of-the-lip
#17
Pablo Uribe, Helena Collgros, Richard A Scolyer, Scott W Menzies, Pascale Guitera
Importance: Benign melanotic macules (MAC) are the most frequent cause of lip pigmentation and sometimes difficult to differentiate from lip melanoma (MEL). Objectives: To report in vivo reflectance confocal microscopy (RCM) features of normal lips of different phototypes and to identify features that assist in distinguishing MEL from MAC using dermoscopy and RCM. Design, Setting, and Participants: For this retrospective observational study, 2 groups of patients from 2 tertiary referral centers for melanoma (Sydney Melanoma Diagnostic Centre and Melanoma Institute Australia) were recruited between June 2007 and January 2015...
May 3, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28458829/distant-melanoma-causing-small-bowel-obstruction
#18
Justin M Hintze, Donal B O'Connor, Peter Molony, Paul C Neary
Small bowel obstructions (SBOs) are common. Adhesions make up the majority of cases at 84.9%, followed by abdominal herniae and malignancies. A 71-year-old female presented with total constipation, abdominal distension, on a background of resected cutaneous melanoma nine years prior. A CT-scan showed small bowel intussusception and disseminated mucosal-enhancing lesions consistent with metastases. She was brought to the operating theatre where six areas of intussusception were identified and manually reduced...
February 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28449824/primary-mucosal-melanoma-of-the-palatine-tonsil-report-of-a-case-and-review-of-the-literature
#19
Marcela Osorio, Sami P Moubayed, Juan Hernandez-Prera, John C Scott, Mark L Urken
BACKGROUND: Mucosal melanoma of the palatine tonsil is extremely rare. Due to its poor prognosis, primary tonsillar melanoma requires prompt recognition and treatment. METHODS: A 62-year-old female presented with a deeply pigmented and exophytic lesion in the left tonsillar fossa. The patient underwent a partial pharyngectomy through a midline labio-mandibulotomy approach along with a left level I-V neck dissection. Reconstruction with a left radial forearm free flap and a pharyngeal constrictor advancement pharyngoplasty was performed...
April 21, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28445541/iqgap1-is-an-oncogenic-target-in-canine-melanoma
#20
Becky H Lee, Poornima H Neela, Michael S Kent, Ashley M Zehnder
Canine oral mucosal melanoma is an aggressive malignant neoplasm and is characterized by local infiltration and a high metastatic potential. The disease progression is similar to that of human oral melanomas. Whereas human cutaneous melanoma is primarily driven by activating mutations in Braf (60%) or Nras (20%), human mucosal melanoma harbors these mutations much less frequently. This makes therapeutic targeting and research modeling of the oral form potentially different from that of the cutaneous form in humans...
2017: PloS One
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