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Non melanoma skin cancer

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https://www.readbyqxmd.com/read/28635133/critical-role-of-glioma-associated-oncogene-homolog-1-in-maintaining-invasive-and-mesenchymal-like-properties-of-melanoma-cells
#1
I Ketut Gunarta, Rong Li, Ryota Nakazato, Ryusuke Suzuki, Jambaldorj Boldbaatar, Takeshi Suzuki, Katsuji Yoshioka
Cutaneous melanoma is the most aggressive form of skin cancer. This aggressiveness appears to be due to the cancer cells' ability to reversibly switch between phenotypes with non-invasive and invasive potentials, and microphthalmia-associated transcription factor (MITF) is known to play a central role in this process. The transcription factor glioma-associated oncogene homolog 1 (GLI1) is a component of the canonical and noncanonical sonic hedgehog pathways. Although GLI1 has been suggested to be involved in melanoma progression, its precise role and the mechanism underlying invasion remain unclear...
June 21, 2017: Cancer Science
https://www.readbyqxmd.com/read/28632887/pushing-the-edge-of-dermoscopy-in-new-directions-entomodermoscopy-of-trombicula-autumnalis
#2
Nicola di Meo, Anna Campanati, Mattia Fadel, Giusto Trevisano
Dermatologists are often faced with the challenge of patients presenting with non specific symptoms such as itching and or erythema. These symptoms may be attributed to a number of diseases, many of which are trivial, and others even life-threatening. In order to establish the correct diagnosis, dermatologists must rely on good diagnostic tools and knowledge. Dermoscopy was introduced mainly for inspection of pigmented lesions, but its use has now also spread to non-melanoma skin cancer, inflammatory diseases, and almost any skin disease...
June 2017: Acta Dermatovenerologica Alpina, Panonica, et Adriatica
https://www.readbyqxmd.com/read/28632148/claw-foot-a-case-report
#3
Alessandro Innocenti, Francesco Ciancio, Cecilia Taverna, Sara Tanini, Aurelio Portincasa, Domenico Parisi, Marco Innocenti, Vincenzo De Giorgi
A cutaneous horn could be defined as a conical projection on the surface of skin made of cornified material and resembling an animal horn. These lesions most commonly affect light-skinned men aged between 50 to 89 years and usually appear in sun exposed areas. Radiation, chronic irritation and even human papilloma virus-2 infection may be precipitating factors. More than half of the cases originate from either malignant or premalignant lesions, therefore the base of the lesion must be carefully examined histologically...
June 8, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28628682/radiation-therapy-in-dermatology-non-melanoma-skin-cancer
#4
Nikoo Cheraghi, Armand Cognetta, David Goldberg
<p>Background: Dermatologists were historically well versed in the use of radiation therapy for the management of non-melanoma skin cancers and various inflammatory dermatologic conditions. With the advent of Mohs micrographic surgery and therapeutic discoveries for treating inflammatory dermatoses, radiotherapy assumed loss of a role in the clinical repertoire of the dermatologist. In recent years, its importance has again been realized for the management of non-melanoma skin cancers not amenable to surgical treatment or as adjuvant or palliative therapy...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28621114/investigating-the-potential-for-protective-effect-against-non-melanoma-skin-cancer-in-cancer-patients-receiving-oral-niacin
#5
Chantelle Carneiro, Beatrice Nardone, Tina Kiguradze, Alba Posligua, Dennis P West, Monica Rani
No abstract text is available yet for this article.
August 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28619614/rapid-ex-vivo-examination-of-mohs-specimens-using-optical-coherence-tomography
#6
D Rashed, D Shah, A Freeman, R J Cook, C Hopper, C M Perrett
BACKGROUND: Mohs micrographic surgery (MMS) is an effective treatment for certain non-melanoma skin cancers. Optical coherence tomography (OCT) is a biomedical imaging modality that permits high-resolution imaging of the epidermis and dermis with the potential to detect both healthy tissue and tumour. OCT may also provide a means of detecting and differentiating between the various histological subtypes of basal cell carcinomas (BCC) in vivo. OBJECTIVE: The aim of this prospective ex vivo study was to evaluate the efficacy of OCT in recognising healthy and pathological margins of excised BCC lesions and detecting different BCC subtypes...
June 12, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28616701/predictive-value-of-pd-l1-based-on-mrna-level-in-the-treatment-of-stage-iv-melanoma-with-ipilimumab
#7
C Brüggemann, M C Kirchberger, S M Goldinger, B Weide, A Konrad, M Erdmann, D Schadendorf, R S Croner, L Krähenbühl, K C Kähler, C Hafner, W Leisgang, F Kiesewetter, R Dummer, G Schuler, M Stürzl, L Heinzerling
INTRODUCTION: PD-L1 is established as a predictive marker for therapy of non-small cell lung cancer with pembrolizumab. Furthermore, PD-L1 positive melanoma has shown more favorable outcomes when treated with anti-PD1 antibodies and dacarbazine compared to PD-L1 negative melanoma. However, the role of PD-L1 expression with regard to response to checkpoint inhibition with anti-CTLA-4 is not clear, yet. In addition, the lack of standardization in the immunohistochemical assessment of PD-L1 makes the comparison of results difficult...
June 14, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28609551/chronic-exposure-to-tetracyclines-and-subsequent-diagnosis-for-non-melanoma-skin-cancer-in-a-large-midwestern-u-s-patient-population
#8
P P Vakharia, B Nardone, B J Schlosser, D Lee, L Serrano, D P West
Tetracyclines (TCNs) are commonly used in the management of several chronic dermatological disorders, partly due to their affinity for inflamed skin tissue, as they are known to suppress cytokines including tumor necrosis factor-alpha and interleukin-6 that are typically involved in inflammatory skin disorders.(1) TCNs are known to be photoreactive following ultraviolet (UV) radiation exposure, a known risk factor for the development of nonmelanoma skin cancer (NMSC), notably basal cell carcinoma (BCC) and squamous cell carcinoma (SCC)...
June 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28607807/immunohistochemical-evaluation-of-vitamin-d-receptor-vdr-expression-in-cutaneous-melanoma-tissues-and-four-vdr-gene-polymorphisms
#9
Francesco La Marra, Giuseppe Stinco, Cinzia Buligan, Giovanni Chiriacò, Diego Serraino, Carla Di Loreto, Sabina Cauci
OBJECTIVE: : Vitamin D receptor (VDR) mediates vitamin D activity. We examined whether VDR expression in excised melanoma tissues is associated with VDR gene (VDR) polymorphisms. METHODS: : We evaluated VDR protein expression (by monoclonal antibody immunostaining), melanoma characteristics, and carriage of VDR-FokI-rs2228570 (C>T),VDR-BsmI-rs1544410 (G>A),VDR-ApaI-rs7975232 (T>G), andVDR-TaqI-rs731236 (T>C) polymorphisms (by restriction fragment length polymorphism)...
May 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28604229/review-the-re-emergence-of-brachytherapy-as-treatment-for-non-melanoma-skin-cancer
#10
Koji Ota, Tony Adar, Laura Dover, Amor Khachemoune
Electronic Brachytherapy (EBT) has seen a significant rise in use over the past few years in treating non-melanoma skin cancer (NMSC). However, the current literature in EBT remains scarce. Existing data on high dose rate brachytherapy (HDR-BT) with surface applicators is often used to justify its efficacy and safety. In this review we study the two treatment modalities on their efficacy in treating NMSC and we explore the reasons behind the recent uprise in EBT. A literature review using PubMed was performed for articles published until January 2017 studying efficacy of HDR-BT and EBT for treating NMSC...
June 12, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28602049/baldness-and-scalp-melanoma
#11
E Benati, C Longo, C Bombonato, E Moscarella, R Alfano, G Argenziano
Nearly 20% of melanomas occur on the head and neck area(1) but only 2-5% arise on the scalp.(2) Several studies reported a worse prognosis of scalp melanoma compared to other body sites, being unclear the reason for this phenomenon.(3) Melanoma and non-melanoma skin cancer of the scalp are most frequent in bald men older than 65 years. This article is protected by copyright. All rights reserved.
June 11, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28590274/survival-from-cancer-in-the-north-region-of-portugal-results-from-the-first-decade-of-the-millennium
#12
Luís Antunes, Lúcio L Santos, Maria José Bento
The aim of this study was to evaluate net survival from cancer diagnosed during the period 2001/2010 in the north region of Portugal to identify the tumours that need actions to improve the outcomes. Data were retrieved from the North Region Cancer Registry of Portugal database. The top 20 cancer sites in adults were considered: oesophagus, stomach, colon, rectum, pancreas, liver, larynx, lung, skin melanoma, breast, cervix, corpus uteri, ovary, prostate, kidney, bladder, brain and central nervous system, thyroid, non-Hodgkin lymphoma and multiple myeloma...
June 5, 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28566124/melatonin-for-prevention-of-erythema-and-oxidative-stress-in-response-to-ultraviolet-radiation
#13
Cecilie Scheuer
Skin damage induced by UVR is an escalating problem in dermatology, and increasing incidence of skin cancer, especially for non-melanoma skin cancer, has been reported worldwide. UVR from sun exposure and the production of reactive oxygen species (ROS) is known to be a pivotal factor in the aetiology of skin cancer. The pineal hormone melatonin is recognized as the most potent endogenous antioxidant. Melatonin conducts its antioxidant effects acting directly as a radical scavenger and indirectly by up regulation of antioxidant enzymes...
June 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28543886/human-hairless-protein-roles-in-skin-hair-and-emerging-connections-to-brain-and-other-cancers
#14
Anas Maatough, G Kerr Whitfield, Lemlem Brook, David Hsieh, Patricia Palade, Jui-Cheng Hsieh
The mammalian hairless protein (HR) is a 130 kDa nuclear transcription factor that is essential for proper skin and hair follicle function. Previous studies have focused on the role of HR in skin maintenance and hair cycling. However, hairless gene (HR) is also expressed in brain and other tissues, where its role remains poorly understood. HR has been reported to contain functional domains that potentially serve in DNA binding, histone demethylation, nuclear translocation signal, and protein-protein interactions...
May 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28535466/do-polychlorinated-biphenyls-cause-cancer-a-systematic-review-and-meta-analysis-of-epidemiological-studies-on-risk-of-cutaneous-melanoma-and-non-hodgkin-lymphoma
#15
REVIEW
Claudia Zani, Elisabetta Ceretti, Loredana Covolo, Francesco Donato
In 2015 a IARC Working Group upgraded the classification of PCBs to Group 1 "Carcinogenic to humans", also on the basis of evidence from epidemiological studies showing an excess risk for melanoma. Increased risks for non-Hodgkin lymphoma (NHL) and breast cancer were also reported though the evidence was limited. However, some recent reviews of studies on PCB exposure and risk of cancer provided discrepant findings. Therefore, we re-evaluated the association between exposure to PCBs and risk of melanoma and NHL by a systematic review and meta-analysis...
May 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28526240/endocrine-actions-of-vitamin-d-in-skin-relevance-for-photocarcinogenesis-of-non-melanoma-skin-cancer-and-beyond
#16
REVIEW
Jörg Reichrath, Roman Saternus, Thomas Vogt
The skin represents a pivotal organ for the human body's vitamin D endocrine system, being both the site of ultraviolet (UV)-B-induced vitamin D synthesis and a target tissue for the pluripotent effects of 1,25(OH)2D3 and other biologically active vitamin D metabolites. As many other steroid hormones, 1,25(OH)2D3 exerts its effects via two independent signal transduction pathways: the classical genomic and the non-genomic pathway. While non-genomic effects of 1,25(OH)2D3 are in part exerted via effects on intracellular calcium, genomic effects are mediated by the vitamin D receptor (VDR)...
May 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28524053/reduced-frequency-of-non-melanoma-skin-cancer-in-72-739-patients-with-psoriasis-a-retrospective-study
#17
Andrea Paradisi, Biagio Didona, Stefano Tabolli, Francesco Ricci, Luciano Sobrino, Annarita Panebianco, Damiano Abeni
Chronic inflammatory conditions, such as psoriasis, may pose an increased risk of cancer due to impaired immunosurveillance resulting from chronic inflammation and immunosuppressive medications. To compare the risk of non-melanoma skin cancer (NMSC) in a retrospective cohort of 72,739 psoriasis patients and 25,956 non-dermatological patients. A record linkage was performed for data on hospitalizations, and the occurrence of NMSC was compared by computing the relative risk (RR) and modelled using multiple logistic regression...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28521479/association-between-non-melanoma-and-melanoma-skin-cancer-rates-vitamin-d-and-latitude
#18
Miguel Rivas, Elisa Rojas, Gloria M Calaf, Marcela Barberán, Claudio Liberman, Marcelo De Paula Correa
Vitamin D synthesis takes place in the skin due to solar ultraviolet-B (UVB) radiation. Several studies have shown the association between low sun exposure, non-melanoma skin cancer (NMSC) and a lack of vitamin D synthesis. Since such synthesis in the body depends on the exposure of the skin to solar UVB radiation (290-320 nm), experimental measurements of this type of solar radiation are important. Tarapaca University in Arica, Chile, established a solar UV radiation laboratory in 2006 and since then this laboratory has performed systematic experimental solar UVB measurements using a calibrated biometer instrument...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28516187/-the-aged-scalp-a-dermato-oncological-focus-point
#19
REVIEW
N Wroblewski, K Wylon, C Ulrich
Non-melanoma skin cancer and its precursor lesions are common diagnoses in dermatological practice, due to rising incidence and prevalence. Diagnosis is often clinical with subsequent histological confirmation. First-choice treatment for invasive carcinomas is complete surgical excision. Other therapeutic options, such as radiation or systemic therapies, should only be considered when excision is impossible. Mostly located on parts of the scalp that are poorly visible and accessible, particularly for elderly patients, these lesions are a challenge for physicians and patients alike...
May 17, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28515985/epidemiological-trends-in-skin-cancer
#20
Zoe Apalla, Aimilios Lallas, Elena Sotiriou, Elizabeth Lazaridou, Demetrios Ioannides
Skin cancer, including melanoma and non-melanoma skin cancer (NMSC), represents the most common type of malignancy in the white population. The incidence rate of melanoma is increasing worldwide, while the associated mortality remains stable, or is slightly decreasing. On the other hand, the incidence for NMSC varies widely, with the highest rates reported in Australia. In the current review, we highlight recent global trends in epidemiology of skin cancer. We discuss controversial issues raised in current epidemiological data, we analyze the most important risk factors associated with the development of melanoma and NMSC and the impact of skin cancer on health care services...
April 2017: Dermatology Practical & Conceptual
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