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Basal cell carcinoma

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https://www.readbyqxmd.com/read/28346486/grem1-is-expressed-in-the-cancer-associated-myofibroblasts-of-basal-cell-carcinomas
#1
Hye Sung Kim, Myung Soo Shin, Min Seok Cheon, Jae Wang Kim, Cheol Lee, Woo Ho Kim, Young Sill Kim, Bo Gun Jang
Cancer-associated fibroblasts (CAFs) play important roles in cancer progression through their complex interactions with cancer cells. The secreted bone morphogenetic protein antagonist, gremlin1 (GREM1) is expressed by the CAFs of basal cell carcinomas (BCCs), and promotes the growth of cancer cells. In this study, we investigated the expression of GREM1 mRNAs in various benign and malignant skin tumors, including various BCC subtypes. Analysis by RNA in situ hybridization (ISH) revealed that fibroblasts in the scar tissue expressed GREM1 and α-smooth muscle actin (α-SMA), whereas resident fibroblasts in the dermis of the normal skin did not express GREM1...
2017: PloS One
https://www.readbyqxmd.com/read/28346251/histological-mohs-maps-improve-the-accuracy-of-dermatology-residents-interpretations-of-mohs-slides-a-pilot-study
#2
Jeffrey B Tiger, Zai Ganesh, John Mouzakis, Satori Iwamoto
BACKGROUND: Effective Mohs surgery depends on accurate histopathological identification and mapping of tumor burden to ensure complete removal of tumor. OBJECTIVE: The purpose of this study is to evaluate whether using a photograph of the histopathological slide as the Mohs map improves mapping accuracy. METHODS AND MATERIALS: Single-blinded pilot study. Five dermatology residents at one academic institution mapped 11 cases of basal cell carcinoma using both traditional hand-drawn maps and color photographic maps...
March 23, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28344809/basal-cell-carcinoma-pd-l1-pd-1-checkpoint-expression-and-tumor-regression-after-pd-1-blockade
#3
Evan J Lipson, Mohammed T Lilo, Aleksandra Ogurtsova, Jessica Esandrio, Haiying Xu, Patricia Brothers, Megan Schollenberger, William H Sharfman, Janis M Taube
Monoclonal antibodies that block immune regulatory proteins such as programmed death-1 (PD-1) have demonstrated remarkable efficacy in controlling the growth of multiple tumor types. Unresectable or metastatic basal cell carcinoma, however, has largely gone untested. Because PD-Ligand-1 (PD-L1) expression in other tumor types has been associated with response to anti-PD-1, we investigated the expression of PD-L1 and its association with PD-1 expression in the basal cell carcinoma tumor microenvironment. Among 40 basal cell carcinoma specimens, 9/40 (22%) demonstrated PD-L1 expression on tumor cells, and 33/40 (82%) demonstrated PD-L1 expression on tumor-infiltrating lymphocytes and associated macrophages...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28344599/does-ultrasound-measurement-improve-the-accuracy-of-electronic-brachytherapy-in-the-treatment-of-superficial-non-melanomatous-skin-cancer
#4
Uma Goyal, Junhan Pan, Haiyan Cui, Baldassarre Stea
PURPOSE: Electronic brachytherapy (eBT) is a form of contact radiation therapy used for thin superficial non-melanomatous skin cancers (NMSCs). An accurate measurement of diameter and depth is important for eBT treatment planning. Therefore, we compared clinical measurements by an experienced physician to measurements obtained using ultrasound (US), an objective imaging modality, in order to determine if clinical measurements were accurate enough for adequate NMSC treatment. MATERIAL AND METHODS: Eighteen patients with 20 biopsy-proven NMSCs first had a clinical examination and then an US evaluation prior to starting eBT...
February 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28343365/sox10-immunohistochemistry-in-sweat-ductal-glandular-neoplasms
#5
David S Cassarino, Albert Su, Bruce A Robbins, David Altree-Tacha, Seong Ra
BACKGROUND: SOX10 is a newer Schwannian and melanocytic marker that has generated great interest for its relative sensitivity and specificity in the diagnosis of neural crest-derived tumors. Previous studies with SOX10 have shown positive immunohistochemical expression in cutaneous eccrine glands and negative expression in eccrine ducts, apocrine glands, and hair follicles. Thus, we hypothesized that some sweat gland tumors of presumed eccrine origin would be positive for SOX10, whereas apocrine-derived sweat gland tumors would not...
March 25, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28343330/human-papilloma-virus-hpv-infection-leads-to-the-development-of-head-and-neck-lesions-but-offers-better-prognosis-in-malignant-indian-patients
#6
Shreya Sarkar, Neyaz Alam, Jayanta Chakraborty, Jaydip Biswas, Syam Sundar Mandal, Susanta Roychoudhury, Chinmay Kumar Panda
Head and neck cancers constitute a multifactorial global disease burden and are associated with human papilloma virus (HPV) as a possible risk factor. The aim of the study is to understand the relationship between HPV and the development of head and neck lesions in Indian patients. To this end, frequency of HPV was assessed in relation to different demographic and etiological features and correlated with patient survival. The prevalence of HPV significantly increased from mild dysplastic lesions (43.6%) to head and neck squamous cell carcinoma (HNSCC) stage IV (68...
March 25, 2017: Medical Microbiology and Immunology
https://www.readbyqxmd.com/read/28343197/-skin-cancers-in-kidney-transplant-recipients
#7
Anna Bieryło, Szymon Brzósko, Elżbieta Laudańska, Beata Naumnik
Kidney transplantation is the best treatment for end-stage renal failure. It prolongs the patient's life, improves quality of life and reduces costs associated with renal replacement therapy. Increasingly, newer immunosuppressive regimens allow for the proper functioning of the transplanted organ for many years. The progress in transplantation, qualification patients in older age for the procedure and longer survival of kidney graft lead to an increase in the number of patients receiving immunosuppressive drugs...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28342698/targeted-exome-sequencing-and-chromosomal-microarray-for-the-molecular-diagnosis-of-nevoid-basal-cell-carcinoma-syndrome
#8
Yoshihiro Matsudate, Takuya Naruto, Yumiko Hayashi, Mitsuyoshi Minami, Mikiko Tohyama, Kenji Yokota, Daisuke Yamada, Issei Imoto, Yoshiaki Kubo
BACKGROUND: Nevoid basal cell carcinoma syndrome (NBCCS) is an autosomal dominant disorder mainly caused by heterozygous mutations of PTCH1. In addition to characteristic clinical features, detection of a mutation in causative genes is reliable for the diagnosis of NBCCS; however, no mutations have been identified in some patients using conventional methods. OBJECTIVE: To improve the method for the molecular diagnosis of NBCCS. METHODS: We performed targeted exome sequencing (TES) analysis using a multi-gene panel, including PTCH1, PTCH2, SUFU, and other sonic hedgehog signaling pathway-related genes, based on next-generation sequencing (NGS) technology in 8 cases in whom possible causative mutations were not detected by previously performed conventional analysis and 2 recent cases of NBCCS...
March 11, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28341962/tumour-suppressor-ep300-a-modulator-of-paclitaxel-resistance-and-stemness-is-downregulated-in-metaplastic-breast-cancer
#9
Muhammad Asaduzzaman, Stephanie Constantinou, Haoxiang Min, John Gallon, Meng-Lay Lin, Poonam Singh, Selina Raguz, Simak Ali, Sami Shousha, R Charles Coombes, Eric W-F Lam, Yunhui Hu, Ernesto Yagüe
PURPOSE: We have previously described a novel pathway controlling drug resistance, epithelial-to-mesenchymal transition (EMT) and stemness in breast cancer cells. Upstream in the pathway, three miRs (miR-106b, miR-93 and miR-25) target EP300, a transcriptional activator of E-cadherin. Upregulation of these miRs leads to the downregulation of EP300 and E-cadherin with initiation of an EMT. However, miRs regulate the expression of many genes, and the contribution to EMT by miR targets other than EP300 cannot be ruled out...
March 24, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28341226/lung-adenocarcinoma-and-squamous-cell-carcinoma-gene-expression-subtypes-demonstrate-significant-differences-in-tumor-immune-landscape
#10
Hawazin Faruki, Gregory M Mayhew, Jonathan S Serody, D Neil Hayes, Charles M Perou, Myla Lai-Goldman
INTRODUCTION: Molecular subtyping of lung Adenocarcinoma (AD) and lung Squamous Cell Carcinoma (SQ) reveal biologically diverse tumors that vary in their genomic and clinical attributes. METHODS: Using published immune cell signatures and several Lung AD and SQ gene expression datasets including The Cancer Genome Atlas (TCGA), immune response in relation to AD and SQ expression subtypes was examined. Expression of immune cell populations and other immune related genes including CD274 (PD-L1) was investigated in the tumor microenvironment relative to the expression subtypes of AD (Terminal Respiratory Unit (TRU), Proximal Proliferative (PP), and Proximal Inflammatory (PI)) and SQ subtypes (Primitive, Classical, Secretory, Basal)...
March 21, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28332555/loxl2-drives-epithelial-mesenchymal-transition-via-activation-of-ire1-xbp1-signalling-pathway
#11
Eva P Cuevas, Pilar Eraso, María J Mazón, Vanesa Santos, Gema Moreno-Bueno, Amparo Cano, Francisco Portillo
Epithelial-to-Mesenchymal Transition (EMT) is a key process contributing to the aggressiveness of cancer cells. EMT is triggered by activation of different transcription factors collectively known as EMT-TFs. Different cellular cues and cell signalling networks activate EMT at transcriptional and posttranscriptional level in different biological and pathological situations. Among them, overexpression of LOXL2 (lysyl oxidase-like 2) induces EMT independent of its catalytic activity. Remarkably, perinuclear/cytoplasmic accumulation of LOXL2 is a poor prognosis marker of squamous cell carcinomas and is associated to basal breast cancer metastasis by mechanisms no yet fully understood...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28329666/risks-of-different-skin-tumor-combinations-after-a-first-melanoma-squamous-cell-carcinoma-and-basal-cell-carcinoma-in-dutch-population-based-cohorts-1989-2009
#12
R J T Van der Leest, L M Hollestein, L Liu, T Nijsten, E De Vries
The aim of this study was to calculate risks of different type of subsequent skin cancers.All melanoma and squamous cell carcinoma (SCC) patients included in the national Netherlands Cancer Registry (NCR) and all basal cell carcinoma (BCC) patients included in the regional Eindhoven Cancer Registry (ECR) between 1989 and 2009 were followed until diagnosis of a subsequent different skin cancer (melanoma, SCC or BCC), date of death or end of study. Cumulative risk, Standardized Incidence Ratio (SIR) and Absolute Excess Risk (AER) of subsequent skin cancers were calculated...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329660/predictors-of-tanning-dependence-in-white-non-hispanic-females-and-males
#13
Brenda Cartmel, Susan T Mayne, Allen E Bale, Joel Gelernter, Andrew DeWan, David J Leffell, Sherry Pagoto, Peter Spain, Leah M Ferrucci
Growing evidence suggests some individuals may exhibit dependence to ultraviolet light, a known carcinogen; however, few studies have investigated predictors of tanning dependence (TD).A sub-set of early-onset basal cell carcinoma case-control study participants completed an online survey. The modified-Cut down, Annoyed, Guilty, Eye-opener (mCAGE) and a questionnaire based on the addiction criteria of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (mDSM-IV-TR) were used to classify participants having'Symptoms of TD' if they met criteria for TD on both questionnaires, 'Tendency for TD' if met criteria on only one questionnaire, or 'Not TD'...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329659/predicting-the-risk-of-metachronous-basal-cell-carcinomas
#14
Hilde Smedinga, Joris A C Verkouteren, Ewout W Steyerberg, Albert Hofman, Tamar Nijsten, Y Vergouwe
A third of basal cell carcinoma (BCC) patients will develop metachronous BCCs, but information is limited on the frequency, timing and predictors of these subsequent BCCs. We aimed to develop a prediction model to assess the absolute risk of metachronous BCCs.We observed 14,628 participants of northwestern European ancestry from a prospective population- based cohort study (Rotterdam Study). BCCs were identified using a linkage with the Dutch Pathology Registry (PALGA). Predictors for subsequent BCCs included 14 patient, lifestyle, and tumor-specific characteristics...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329654/keratinocyte-carcinoma-and-risk-of-all-cause-and-cancer-related-mortality-a-systematic-review
#15
V Barton, K Armeson, S Hampras, L K Ferris, K Visvanathan, D Rollison, A J Alberg
BackgroundSome reports suggest a history of keratinocyte carcinoma (KC) may be associated with increased mortality. The high prevalence of KC makes the possibility of associated subsequent mortality from other causes important from a clinical and public health perspective. However, the variable methods and findings of existing studies leave the overall significance of these results uncertain. To provide clarity, we conducted a systematic review to characterize the evidence on the associations of KC with: 1) all-cause mortality, 2) cancer-specific mortality, and 3) cancer survival...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329648/hormonal-and-reproductive-factors-and-incidence-of-basal-cell-carcinoma-in-a-population-based-cohort
#16
Catherine M Olsen, Nirmala Pandeya, Bridie S Thompson, Jean Claude Dusingize, Padmini Subramaniam, Christina M Nagle, Adele C Green, Rachel E Neale, Penny M Webb, David C Whitman
Estrogens have photosensitizing properties, but few prospective studies have examined the relationship between hormonal and reproductive factors and incidence of basal cell carcinoma (BCC) in women. Previous findings have been inconsistent, particularly in relation to parity and use of oral contraceptives (OCs) and menopausal hormone therapy (MHT). Given the heterogeneity in the literature, we sought to examine the association between hormonal and reproductive factors and BCC risk in a cohort of women (n=23,879) enrolled in the QSkin Study in 2011...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329647/histological-completeness-of-bss-excisions-by-dermatologists-plastic-surgeons-and-general-practitioners
#17
Kirtie Hr Ramdas, Lotte B Van Lee, Samuel Beck, Vincent Noordhoek Hegt, Tamar Nijsten, Renate Van den Bos
OBJECTIVESFirst to determine the proportion of incompletely excised basal cell carcinomas (BCCs) treated by conventional excision by dermatologists, plastic surgeons and general practitioners. Second to identify characteristics of incomplete excised BCCs.METHODSAnalysis of pathology reports of 3005 primary BCC excisions by general practitioners (31%), dermatologists (34%) and plastic surgeons (35%) from an urbanized area in the South West of the Netherlands from 2008-2014. Chi-square test and independent T-tests were used to analyze the primary outcome...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329640/diagnostic-parameters-of-children-with-basal-cell-carcinoma-nevus-syndrome
#18
Fariha T Siddiqui
Basal Cell Carcinoma Nevus Syndrome (BCCNS) is a multi-system genetic disease characterized by the development of multiple basal cell carcinomas (BCCs), macrocephaly, medulloblastomas, jaw keratocysts, and coarse facial features, amongst other symptoms. The major and minor criteria for adults with BCCNS are often extrapolated for children, however, little is known about the disease presentation of children with BCCNS. Our study focused on bringing the pediatric presentation of BCCNS to light. To the best of our knowledge, we are the first to investigate BCCNS and its medical impact on children...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329639/development-and-validation-of-the-basal-and-squamous-cell-carcinoma-quality-of-life-basqol-questionnaire
#19
Rick Waalboer-Spuij, Loes M Hollestein, Reinier Timman, Lonneke V Van de Poll-Franse, Tamar E C Nijsten
Health-related quality of life is increasingly important in the management of patients with basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). A few disease-specific questionnaires exist, but all with substantial flaws. We developed and validated a quality of life questionnaire suitable for use in all BCC and SCC patients. In an extensive four-phase trajectory, as recommended by the European Organisation for Research and Treatment of Cancer (EORTC), 33 items were selected and rephrased into a preliminary questionnaire...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329636/correlation-between-cancer-incidences-and-google-searches-in-the-united-states
#20
Mackenzie R Wehner, Kevin T Nead, Eleni Linos
IntroductionDespite being highly prevalent, keratinocyte carcinomas (basal cell and squamous cell carcinomas lack nationwide registries. Internet search data has emerged as a new method to evaluate previously difficult to quantify public health outcomes and may be useful in keratinocyte carcinoma research.ObjectiveWe aimed to evaluate whether Google search density correlated with known incidences of common cancers in the United States.MethodsWe used the Center for Disease Control's National Program of Cancer Registries ageTadjusted cancer incidences (2008T2012 ...
September 15, 2016: Dermatology Online Journal
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