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https://www.readbyqxmd.com/read/28548901/neuroendocrine-differentiation-in-basal-cell-carcinoma
#1
Yoldez Houcine, Ines Chelly, Alia Zehani, Linda Belhaj Kacem, Haifa Azzouz, Wafa Rekik, Hend C, Slim Haouet, Nidhameddine Kchir
Basal cell carcinoma (BCC) is the prototypical basaloid tumour of the skin. It may show various patterns simulating other cutaneous tumours due to its pleomorphism. It may have unusal pattern of differentiaton such as squamous, sebaceous, apocrine, eccrine, pilar and endocrine differentiation. In order to establish the relative frequency of neuroendocrine differentiation in BCC, we performed a retrospective study of 33 consecutive BCCs using conventional immunohistochemistry with two neuroendocrine antibodies: Chromogranine A and synaptophysine...
May 26, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/28543586/multiple-skin-cancers-in-patients-with-mycosis-fungoides-after-long-term-ultraviolet-phototherapy
#2
K Imafuku, H Hata, T Yanagi, S Kitamura, Y Inamura-Takashima, M Nishimura, S Kitamura, S Moriwaki, H Shimizu
Phototherapy is a useful noninvasive therapy, but it can induce cutaneous malignant tumours, including squamous cell carcinoma (SCC) and basal cell carcinoma (BCC). We report on a 79-year-old man who had long-standing mycosis fungoides for 40 years, which had been treated with psoralen ultraviolet A therapy for 37 years at a dose of approximately 5000 J/cm(2) . Approximately 6 years before presentation, numerous types of cutaneous malignancies, including actinic keratosis, BCC and SCC, had begun to develop all over the patient's body...
May 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28541249/dislocation-loop-formation-by-swift-heavy-ion-irradiation-of-metals
#3
Galvin Khara, Samuel Murphy, Dorothy M Duffy
A coupled two-temperature, molecular dynamics methodology is used to simulate the structural evolution of bcc metals (Fe and W) and fcc metals (Cu and Ni) following irradiation by swift heavy ions. Electronic temperature dependent electronic specific heat capacities and electron phonon coupling strengths are used to capture the full effects of the variation in the electronic density of states. Tungsten is found to be significantly more resistant to damage than iron, due both to the higher melting temperature and the higher thermal conductivity...
May 25, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28537867/basaloid-follicular-hamartoma-clinical-dermoscopic-and-histopathological-characteristics-of-case
#4
Ellie Choi, May Liau, Jingxiang Huang, Kong Bing Tan, Derrick Aw
Basaloid follicular hamartoma (BFH) is a rare benign adnexal tumor with variable clinical presentation. We report a case of a 64-year-old man, who presented with an incidental finding of a 3mm hyperpigmented macule on his cheek. Dermoscopy revealed a structureless blue lesion. Histopathology examination showed interconnecting lobules and cords of bland pigmented epithelial cells within the dermal stroma, with the presence of pseudohorncysts. The lesional cells were faintly positive for Bcl2on immunohistochemical staining...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28536093/development-of-trust-in-an-online-breast-cancer-forum-a-qualitative-study
#5
Melanie Lovatt, Peter A Bath, Julie Ellis
BACKGROUND: Online health forums provide peer support for a range of medical conditions including life-threatening and terminal illnesses. Trust is an important component of peer-to-peer support, although relatively little is known about how trust forms within online health forums. OBJECTIVE: The aim of this paper is to examine how trust develops and influences sharing among users of an online breast cancer forum. METHODS: An interpretive qualitative approach was adopted...
May 23, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28529671/the-advection-of-microparticles-mcf-7-and-mda-mb-231-breast-cancer-cells-in-response-to-very-low-reynolds-numbers
#6
Sinéad T Morley, Michael T Walsh, David T Newport
The lymphatic system is an extensive vascular network that serves as the primary route for the metastatic spread of breast cancer cells (BCCs). The dynamics by which BCCs travel in the lymphatics to distant sites, and eventually establish metastatic tumors, remain poorly understood. Particle tracking techniques were employed to analyze the behavior of MCF-7 and MDA-MB-231 BCCs which were exposed to lymphatic flow conditions in a 100 μm square microchannel. The behavior of the BCCs was compared to rigid particles of various diameters (η = dp/H= 0...
May 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28528604/a-multicenter-clinical-study-of-expected-and-unexpected-side-reactions-during-and-after-skin-cancer-treatment-by-photodynamic-therapy
#7
Kate C Blanco, Natalia M Inada, Ana P Silva, Mirian D Stringasci, Hilde H Buzzá, Dora P Ramirez, Ana G Sálvio, Lilian T Moriyama, Cristina Kurachi, Vanderlei S Bagnato
Photodynamic therapy (PDT) has been widely used for oncologic indications, especially nonmelanoma skin cancer such as superficial and nodular basal cell carcinoma (BCC). We present a multicenter clinical study conducted between 2012 and 2014 analyzing the adverse reactions during and after PDT with a standardized protocol in 866 lesions. A total of 728 patients with positive clinical and histopathological diagnosis for BCC with up to 2 cm diameter were treated. The procedure consisted of curettage and topical application of cream containing 20% methyl 5-aminolevulinate...
2017: Skinmed
https://www.readbyqxmd.com/read/28526262/hypoxic-pathobiology-of-breast-cancer-metastasis
#8
REVIEW
Luana Schito, Sergio Rey
Dissemination of breast cancer cells (BCCs) to distant sites (metastasis) is the ultimate cause of mortality in patients with breast cancer. Hypoxia (low O2) is a microenvironmental hallmark of most solid cancers arising as a mismatch between cellular O2 consumption and supply. Hypoxic selection of BCCs triggers molecular and cellular adaptations dependent upon hypoxia-inducible factors (HIFs), a family of evolutionarily conserved transcriptional activators that coordinate the expression of numerous genes controlling each step of the metastatic process...
May 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28524055/risk-factors-associated-with-relapse-of-eyelid-basal-cell-carcinoma-results-from-a-retrospective-study-of-142-patients
#9
Giusy Fatigato, Silvano Capitani, Daniela Milani, Silvia Grassilli, Ayman Am Alameen, Marco Candiani, Carlo Riberti, Marco Galasso, Maurizio Previati
Of skin cancers, 9% arise at the periocular level, constituting a significant threat due to the proximity to intracranial structures, such as the eyes, nerve endings and proximal tissues. Tumour recurrence can be frequent and represents a primary clinical challenge for the surgeon. To present a retrospective study on the treatment of eyelid tumours at a tertiary care centre in Italy over an eight-year period and, in particular, to underline the risk factors associated with tumour relapse. Among a cohort of 205 patients, a retrospective study was conducted on 142 basal cell carcinoma (BCC) patients with eyelid tumours treated with surgical excision...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28522111/incidence-and-trends-of-basal-cell-carcinoma-and-cutaneous-squamous-cell-carcinoma-a-population-based-study-in-olmsted-county-minnesota-2000-to-2010
#10
John G Muzic, Adam R Schmitt, Adam C Wright, Dema T Alniemi, Adeel S Zubair, Jeannette M Olazagasti Lourido, Ivette M Sosa Seda, Amy L Weaver, Christian L Baum
OBJECTIVE: To determine population-based incidence estimates of basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (cSCC). PATIENTS AND METHODS: We reviewed the medical records of a population-based cohort diagnosed with nonmelanoma skin cancer between January 2, 2000, and December 31, 2010. The age- and sex-adjusted incidence rates were calculated and compared with estimates from previous periods. RESULTS: The age-adjusted BCC incidence (cases per 100,000 person-years) was 360...
May 10, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28515995/dermoscopy-and-reflectance-confocal-microscopy-in-pedunculated-basal-cell-carcinoma
#11
Seda Yildiz, Isil Karaarslan, Banu Yaman, Fezal Ozdemir
There have been limited cases of pedunculated basal cell carcinoma (BCC) reported in the literature. The dermoscopic features were described in only one of them. However, not one of them described the confocal microscopy features. In this report we presented a case of pedunculated basal cell carcinoma (BCC) with dermoscopic and reflectance confocal microscopy features.
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28512337/powder-metallurgy-processing-of-a-wxtativcr-high-entropy-alloy-and-its-derivative-alloys-for-fusion-material-applications
#12
Owais Ahmed Waseem, Ho Jin Ryu
The WxTaTiVCr high-entropy alloy with 32at.% of tungsten (W) and its derivative alloys with 42 to 90at.% of W with in-situ TiC were prepared via the mixing of elemental W, Ta, Ti, V and Cr powders followed by spark plasma sintering for the development of reduced-activation alloys for fusion plasma-facing materials. Characterization of the sintered samples revealed a BCC lattice and a multi-phase structure. The selected-area diffraction patterns confirmed the formation of TiC in the high-entropy alloy and its derivative alloys...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28511673/long-term-safety-and-efficacy-of-vismodegib-in-patients-with-advanced-basal-cell-carcinoma-final-update-of-the-pivotal-erivance-bcc-study
#13
Aleksandar Sekulic, Michael R Migden, Nicole Basset-Seguin, Claus Garbe, Anja Gesierich, Christopher D Lao, Chris Miller, Laurent Mortier, Dedee F Murrell, Omid Hamid, Jorge F Quevedo, Jeannie Hou, Edward McKenna, Natalie Dimier, Sarah Williams, Dirk Schadendorf, Axel Hauschild
BACKGROUND: In the primary analysis of the ERIVANCE BCC trial, vismodegib, the first US Food and Drug Administration-approved Hedgehog pathway inhibitor, showed objective response rates (ORRs) by independent review facility (IRF) of 30% and 43% in metastatic basal cell carcinoma (mBCC) and locally advanced BCC (laBCC), respectively. ORRs by investigator review were 45% (mBCC) and 60% (laBCC). Herein, we present long-term safety and final investigator-assessed efficacy results in patients with mBCC or laBCC...
May 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28511384/community-acquired-burkholderia-cepacia-bacteraemia-presenting-as-mods-in-an-immunocompetent-individual-an-unusual-case
#14
Ritesh Ranjan, Priti Chowdhary, Aman Kamra
Burkholderia cepacia has been recognized as a group of highly virulent organisms known as Burkholderia cepacia complex (Bcc). Bcc are ubiquitous in nature and most commonly found in moist environment, on plant roots and soil. Because of its high intrinsic antibiotic resistance, Bcc is a major cause of morbidity and mortality in hospitalized patients. It is reported most commonly in immunocompromised patients especially in patients with cystic fibrosis. Here, we report a rare case report of bacteraemia by Burkholderia cepacia in an immunocompetent male, who presented with fever and Multiple Organ Dysfunction Syndrome (MODS)...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28510302/association-study-of-genetic-variation-in-dna-repair-pathway-genes-and-risk-of-basal-cell-carcinoma
#15
Yuan Lin, Harvind S Chahal, Wenting Wu, Hyunje G Cho, Katherine J Ransohoff, Fengju Song, Jean Y Tang, Kavita Y Sarin, Jiali Han
DNA repair plays a critical role in protecting the genome from ultraviolet radiation and maintaining the genomic integrity of cells. Genetic variants in DNA repair-related genes can influence an individual's DNA repair capacity, which may be related to the risk of developing basal cell carcinoma (BCC). We comprehensively assessed the associations of 2,965 independent single-nucleotide polymorphisms (SNPs) across 165 DNA repair pathway genes with BCC risk in a genome-wide association meta-analysis totaling 17,187 BCC cases and 287,054 controls from two data sets...
May 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28508841/morbidity-of-central-compartment-clearance-comparison-of-lesser-versus-complete-clearance-in-patients-with-thyroid-cancer
#16
Gouri Pantvaidya, Rakesh Katna, Anuja Deshmukh, Deepa Nair, Anil D'Cruz
BACKGROUND: Extent of central compartment neck dissection (CCND) in thyroid cancers has been a debate because of associated morbidity. There have been attempts to reduce the extent of surgery in an attempt to decrease morbidity. PATIENTS AND METHODS: We analyzed the morbidity of CCND from our prospectively maintained surgical morbidity database. CCND was divided into bilateral complete clearance (BCC) and less than complete clearance (LCC). LCC was performed for clinicoradiologically node negative patients...
January 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28507493/comparison-of-the-incidence-of-skin-cancers-in-patients-on-dialysis-and-after-kidney-transplantation
#17
Joanna Sułowicz, Anna Wojas-Pelc, Ewa Ignacak, Katarzyna Krzanowska, Marek Kuźniewski, Władysław Sułowicz
INTRODUCTION: Kidney transplant (KTx) patients on immunosuppressive therapy are predisposed to the development of infections and cancers. AIM: To compare the incidence and type of malignant skin lesions in kidney transplant patients and the dialyzed population based on the initiated dermatologic screening. MATERIAL AND METHODS: The study included 598 patients: 486 kidney transplant recipients and 112 patients on maintenance dialysis. All the patients underwent dermatological examination...
April 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/28507440/ocular-basal-cell-carcinoma-a-brief-literature-review-of-clinical-diagnosis-and-treatment
#18
REVIEW
Yingyun Shi, Renbing Jia, Xianqun Fan
Basal cell carcinoma (BCC) is a common malignant tumor throughout the world. One of the known risk factors of BCC is intense exposure to ultraviolet radiation. More than 50% of BCCs of the eyelid initially occur on the lower lid. The gold standard of diagnosis of BCC is histopathology. Treatment options for BCC consist of surgery, vismodegib, radiotherapy and imiquimod. Surgical excision using Mohs micrographic surgery or wide surgical excision with frozen section margin control is the first consideration for treatment of periocular BCC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28504879/antitubercular-activity-of-mycelium-associated-ganoderma-lanostanoids
#19
Masahiko Isaka, Panida Chinthanom, Malipan Sappan, Sumalee Supothina, Vanicha Vichai, Kannawat Danwisetkanjana, Thitiya Boonpratuang, Kevin D Hyde, Rattaket Choeyklin
In a continuation of our research into antitubercular lanostane triterpenoids from submerged cultures of Ganoderma species, three strains, Ganoderma orbiforme BCC 22325, Ganoderma sp. BCC 60695, and Ganoderma australe BCC 22314, have been investigated. Fourteen new lanostane triterpenoids, together with 35 known compounds, were isolated. Antitubercular activities of these mycelium-associated Ganoderma lanostanoids against Mycobacterium tuberculosis H37Ra were evaluated. Taken together with the assay data of previously isolated compounds, structure-activity relationships of the antitubercular activity are proposed...
May 15, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28501014/discrimination-between-acute-and-chronic-decline-of-central-european-forests-using-map-algebra-of-the-growth-condition-and-forest-biomass-fuzzy-sets-a-case-study
#20
Pavel Samec, Jan Caha, Miloš Zapletal, Pavel Tuček, Pavel Cudlín, Miloš Kučera
Forest decline is either caused by damage or else by vulnerability due to unfavourable growth conditions or due to unnatural silvicultural systems. Here, we assess forest decline in the Czech Republic (Central Europe) using fuzzy functions, fuzzy sets and fuzzy rating of ecosystem properties over a 1×1km grid. The model was divided into fuzzy functions of the abiotic predictors of growth conditions (Fpred including temperature, precipitation, acid deposition, soil data and relative site insolation) and forest biomass receptors (Frec including remote sensing data, density and volume of aboveground biomass, and surface humus chemical data)...
May 10, 2017: Science of the Total Environment
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