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https://www.readbyqxmd.com/read/28932693/primary-malignant-urethral-melanoma-resembling-a-urethral-caruncle
#1
Ali Safadi, Sergio Schwalb, Inbar Ben-Shachar, Ran Katz
No abstract text is available yet for this article.
November 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28932316/penile-melanosis-associated-with-lichen-sclerosus-et-atrophicus-first-description-in-the-medical-literature
#2
Georgi Tchernev, Anastasiya Atanasova Chokoeva, Hristo Mangarov
We present a 74-year-old male patient with 3-years history of visible discoloration of the glans penis, without subjective complaints. Histopathological examination after incision biopsy revealed a moderate increase in the number of melanocytes in the basal layer with irregular distribution, without melanocytic nests, melanophages in the superficial dermis, and subepidermal sclerosus. No cytologic atypia of melanocytes was detectable. The diagnosis of melanosis of the genitalia in association with lichen sclerosus was made...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28931291/-malignant-tumors-of-the-small-bowel
#3
L Němec, P Fabian, J Tomášek, J Jarkovský, R Šefr, L Fiala
INTRODUCTION: Malignant tumors of the small bowel are relatively uncommon neoplasms; their incidence is around 1.5 per 100,000 inhabitants in the Czech Republic. METHOD: 104 patients underwent a resection of the small bowel because of a primary or secondary tumor over the 10-year period between 20062015 at the Masaryk Memorial Cancer Institute. Data from these patients was reviewed retrospectively. Survival rates were analyzed using the Kaplan-Meier method. RESULTS: We observed 45 primary and 59 secondary tumors...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28928884/anti-melanoma-activities-of-haspin-inhibitor-chr-6494-deployed-as-a-single-agent-or-in-a-synergistic-combination-with-mek-inhibitor
#4
Lili Han, Peiling Wang, Yang Sun, Sijing Liu, Jun Dai
Background: Melanoma is a heterogeneous malignancy that presents an immense challenge in therapeutic development. Recent approaches targeting the oncogenic MAP kinase pathways have shown tremendous improvement in the overall survival of patients with advanced melanoma. However, there is still an urgent need for identification of new strategies to overcome drug resistances and to improve therapeutic efficacy. Haspin (Haploid Germ Cell-Specific Nuclear Protein Kinase) belongs to a selected group of mitotic kinases and is required for normal mitosis progression...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28927095/high-expression-of-mage-a9-is-associated-with-unfavorable-survival-in-esophageal-squamous-cell-carcinoma
#5
Yu Qi, Ke Xin Cao, Fu Chen Xing, Chun Yang Zhang, Qi Huang, Kai Wu, Feng Biao Wen, Song Zhao, Xin Li
Melanoma-associated antigens (MAGEs) are a group of well-characterized members of the cancer/testis antigen family, which are expressed in a variety of malignant tumors. MAGE-A9, a subfamily of MAGE-As, has been studied in a number of types of cancer and have been associated with unfavorable survival outcome. However, the expression of MAGE-A9 in human esophageal squamous cell carcinoma (ESCC) and association of MAGE-A9 with the clinicopathological characteristics of ESCC, particularly prognostic characteristics, remains unknown...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926332/-choroidal-melanoma
#6
REVIEW
Inês Coutinho, Tânia Teixeira, Paulo César Simões, João Casalta Lopes, Margarida Borrego, Júlia Fernandes, João Cabral, Isabel Prieto, Rui Proença
Choroidal melanoma is the most common primary intraocular malignant tumor in adults. None of the different treatments available offers advantages of survival, resorting more and more to conservative treatments such as brachytherapy, which has been available in Portugal since 2013. In this article we review the clinical characteristics, risk factors, diagnosis, complementary exams and therapeutic options in choroidal melanoma.
August 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28924456/cutaneous-malignant-melanoma-incidences-analyzed-worldwide-by-sex-age-and-skin-type-over-personal-ultraviolet-b-dose-shows-no-role-for-sunburn-but-implies-one-for-vitamin-d3
#7
Dianne E Godar, Madhan Subramanian, Stephen J Merrill
Because the incidence of cutaneous malignant melanoma (CMM) was reported to increase with increasing terrestrial UVR (290-400 nm) doses in the US back in 1975 and a recent publication showed no association exists with UVR exposure at all, we set out to fully elucidate the role of UVR in CMM. To achieve this goal, we analyzed the CMM incidences over latitude and estimated the average personal UVR dose in the US and numerous countries (> 50) on 5 continents around the world. Using data from the International Agency for Research on Cancer in 2005, we performed worldwide analysis of CMM over UVR dose by sex, age group (0-14, 15-29, 30-49, 50-69, 70-85+) and Fitzpatrick skin types I-VI...
2017: Dermato-endocrinology
https://www.readbyqxmd.com/read/28924047/endothelial-rab7-gtpase-mediates-tumor-growth-and-metastasis-in-lysosomal-acid-lipase-deficient-mice
#8
Ting Zhao, Xinchun Ding, Cong Yan, Hong Du
Tumors depend on their microenvironment for sustained growth, invasion and metastasis. In this environment, endothelial cells (ECs) are an important stromal cell type interacting with malignant cells to facilitate tumor angiogenesis and cancer cell extravasation. Of note, lysosomal acid lipase (LAL) deficiency facilitates melanoma growth and metastasis. ECs from LAL-deficient (lal-/-) mice possess enhanced proliferation, migration, and permeability of inflammatory cells by activating the mammalian target of rapamycin (mTOR) pathway...
September 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28923144/in-flight-ultraviolet-radiation-on-commercial-airplanes
#9
Pascal Cadilhac, Marie-Christine Bouton, Monique Cantegril, Catherine Cardines, Alain Gisquet, Noël Kaufman, Michel Klerlein
INTRODUCTION: Epidemiological studies suggest that pilots and cabin crew have higher incidences and mortality rates of cutaneous malignant melanoma than those of the general population. Exposure to UV radiation is one of the main risk factors for this type of cancer. The aim of this study was to evaluate the level of UV radiation in an airliner in flight. METHODS: Measurements were taken with a three sensor-integrated electronics UV radiometer (A, B, and C) during 14 flights from July to October 2016...
October 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28921907/dual-mapk-pi3k-pathway-inhibition-with-trametinib-and-gsk2141795-does-not-yield-clinical-benefit-in-metastatic-nras-mutant-and-wild-type-melanoma
#10
Alain P Algazi, Rosaura Esteve-Puig, Adi Nosrati, Brian Hinds, Adele Hobbs-Muthukumar, Prachi Nandoskar, Susana Ortiz-Urda, Paul B Chapman, Adil Daud
Aberrant MAPK and PI3K pathway signaling may drive the malignant phenotype in NRAS mutant and BRAF(WT) NRAS(WT) metastatic melanoma. To target these pathways NRAS mutant and BRAF(WT) NRAS(WT) patients received oral trametinib at 1.5 mg daily and GSK2141795 at 50 mg daily in a 2-cohort Simon 2-stage design. Participants had adequate end organ function and no more than 2 prior treatment regimens. Imaging assessments were performed at 8-week intervals. 10 NRAS mutant and 10 BRAF(WT) NRAS(WT) patients were enrolled...
September 16, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28919418/the-nampt-e2f2-sirt1-axis-promotes-proliferation-and-inhibits-p53-dependent-apoptosis-in-human-melanoma-cells
#11
Hailong Zhao, Weiwei Tang, Xiaowen Chen, Siyu Wang, Xianyan Wang, Haiyan Xu, Lijuan Li
Melanoma is the most common primary malignant neoplasm in adults, causing more deaths than any other skin cancer, necessitating the development of new target-based approaches. Current evidence suggests SIRT1, the mammalian nicotinamide adenine dinucleotide (NAD(+))-dependent protein deacetylase, and nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting NAD(+) biosynthetic enzyme, together comprise a novel systemic regulatory network to play a pivotal role in cell proliferation and apoptosis. Nevertheless, how the regulation of this cofactor interfaces with signal transduction network remains poorly understood in melanoma...
September 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28918842/anorectal-malignant-melanoma-presenting-as-acute-pancreatitis
#12
Feras Zaiem, Abdulah Alrifai
No abstract text is available yet for this article.
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28915278/differential-diagnosis-of-seborrheic-keratosis-clinical-and-dermoscopic-features
#13
Ralph P Braun, Sabine Ludwig, Ashfaq A Marghoob
<p>Seborrheic keratosis (SK) is a benign epidermal keratinocytic tumor that is extremely common, particularly in individuals over the age of 50. Most individuals with SK will have more than one lesion and the presence of over 10 lesions in the same person is not uncommon. Although the clinical morphology of most SK with their stuck-on, symmetric, keratotic, and waxy appearance makes them easy to identify, many manifest a morphology resembling melanoma or squamous cell carcinoma. One can argue that such cases will ultimately not prove to be problematic since a simple biopsy will easily reveal their benign nature and eliminate any concerns...
September 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28914674/frequent-pd-l1-expression-in-malignant-melanomas-of-the-vulva
#14
Banafsheh Saleh, Jörg Kriegsmann, Stephan Falk, Sebastian Aulmann
Blockade of immune checkpoint pathways such as the programmed cell death protein 1 pathway (PD-1/PD-L1) is an emerging approach in the treatment of solid tumors. In malignant melanoma, the efficiacy of antibodies against PD-L1 has been shown to be associated with PD-L1 protein expression. To evaluate whether this approach may be of use in the rare cases of primary melanoma of the vulva, we have evaluated a series of 13 cases for PD-L1 expression as well as additional molecular alterations of KIT, NRAS, KRAS, and BRAF...
September 13, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28913367/efficacy-of-tumor-infiltrating-lymphocytes-combined-with-ifn-%C3%AE-in-chinese-resected-stage-iii-malignant-melanoma
#15
Wei Li, Linping Xu, Yaomei Wang, Lingdi Zhao, Daniel B Kellner, Quanli Gao
BACKGROUND: This study aims to explore the efficacy of tumor-infiltrating lymphocytes (TIL) along with interferon-α (IFN-α) to treat stage III malignant melanoma (MM) patients in China. METHODS: Between May 2010 and October 2014, 77 patients of stage III MM who underwent surgery were collected in this study. These patients were divided into two groups: patients who received TIL + IFN-α ± RetroNectin-activated cytokine-induced killer cells (R-CIK) in Arm 1 (n = 27) and IFN-α ± R-CIK in Arm 2 (n = 50) as adjuvant therapy...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28913324/cutaneous-leiomyosarcoma-of-the-face
#16
Nam Gyun Kim, Jun Oh Kim, Young Ji Park, Jun Sik Kim, Yoon Jung Lee, Kyung Suk Lee
Cutaneous leiomyosarcoma is an uncommon superficial soft tissue sarcoma and mainly found in the middle aged to elderly males. It can occur in any part of the body, mostly affecting the extremities and rarely affecting the face. It grows relatively slowly, can be diagnosed by biopsy and is treated by surgical excision. It needs to be distinguished from other spindle cell neoplasms, and immunohistochemical markers are usually required to attain an accurate diagnosis. We report a case of cutaneous leiomyosarcoma appeared on the left cheek within 6 month of a 73-year-old female patient suspected with malignant melanoma before surgery...
June 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912992/giant-conjunctival-nevus-in-a-12-year-old-child
#17
Edit Tóth-Molnár, Eszter Vizvári, Ákos Skribek, András Vörös
We describe a case of a giant conjunctival nevus presented in a 12-year-old girl with suspicious clinicomorphological appearance. The lesion was noticed by the parents at the age of 3 years as a "fleshy spot" on the bulbar conjunctiva. The lesion remained unchanged until approx. 6 months before recent admission. On slit-lamp examination, a large conjunctival lesion with variegate pigmentation and indistinct margins was detected on the superonasal part of the bulbar conjunctiva of the left eye. Intralesional cysts and vessels were detected with AS-OCT examination...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28912983/metastatic-melanoma-of-the-gallbladder-in-an-asymptomatic-patient
#18
Asad Khan, Sejal Patel, Daniel J Zaccarini, Mary McGrath
Malignant Melanoma (MM) is among the most dangerous malignancies with some of the least known survival rates. Melanoma most commonly metastasizes to regional lymph nodes, the lungs, and brain. Metastatic disease of the gallbladder (GB) is exceptionally rare making it difficult to diagnose. The fact that typically patients do not present until they are symptomatic-only after widespread metastatic disease has already occurred-is further complicating the diagnosis of MM of the GB. For this reason, MM of the GB is rarely discovered in living patients...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28912397/-combination-therapy-of-immune-checkpoint-inhibitors
#19
Shigehisa Kitano
Recently, monotherapies of immune checkpoint inhibitor have been approved for some malignant tumors such as advanced melanoma, non-small cell lung cancer, renal cell cancer, Hodgkin lymphoma, head and neck cancer in Japan. As the next step, to aim improvement of the clinical benefit, development of combination immunotherapies including immune checkpoint inhibitors are ongoing. In this chapter, recent strategies of clinical development of combination immunotherapy are described.
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28912395/-cytotoxic-agents-and-immune-checkpoint-inhibitors
#20
Akihito Kawazoe, Kohei Shitara
It has been reported that favorable influences of cytotoxic agents to anti-tumor immune response included immunogenic cell death and suppression of regulatory T cell and myeloid-derived suppressor cell. Some clinical trials showed that the addition of immune checkpoint inhibitor to standard chemotherapy improved efficacy in patients with non-small-cell lung cancer or malignant melanoma in first-line settings. Phase III trials of the combination of immune checkpoint inhibitor and chemotherapy in several malignancies are ongoing...
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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