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Basal cell carcinoma

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https://www.readbyqxmd.com/read/29150868/patient-reported-health-outcomes-in-patients-with-non-melanoma-skin-cancer-and-actinic-keratosis-results-from-a-large-scale-observational-study-analysing-effects-of-diagnoses-and-disease-progression
#1
W G Philipp-Dormston, K Müller, B Novak, K Strömer, C Termeer, U Hammann, J Glutsch, G Kraehn-Senftleben, H Lübbert, M Koller, R M Szeimies
BACKGROUND: Non-melanoma skin cancer (NMSC) and actinic keratosis (AK) are very common among fair-skinned individuals. A disease continuum from AK to squamous cell carcinoma (SCC) has been frequently postulated. AK and NMSC may influence quality of life (QL) of patients, and it can be suspected that disease progression entails a QL reduction. The purpose of this study was to document QL in patients with NMSC and AK using the health-outcome questionnaire EQ-5D-5L. METHODS: The study was designed as a non-interventional, prospective, cross-sectional study...
November 17, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29150404/stress-hormones-concentrations-in-the-normal-microenvironment-predict-risk-for-chemically-induced-cancer-in-rats
#2
Vitor Bonetti Valente, Flávia Alves Verza, Felipe Yudi Kabeya Lopes, Joana Zafalon Ferreira, Paulo Sérgio Patto Dos Santos, Maria Lúcia Marçal Mazza Sundefeld, Éder Ricardo Biasoli, Glauco Issamu Miyahara, Ana Maria Pires Soubhia, Mariza de Andrade, Sandra Helena Penha de Oliveira, Daniel Galera Bernabé
Evidence show that stress hormones can influence cancer progression, but its role in carcinogenesis is poorly understood. In this study, we used a new method based on oral carcinogenesis model in rats to test the hypothesis that physiological levels of stress hormones in the normal tissue microenvironment would have significant predictive value for chemically induced cancer occurrence. Male Wistar rats were submitted to a tongue biopsy for measuring not-stress induced levels of norepinephrine, corticosterone, adrenocorticotropic hormone (ACTH) and brain-derived neurotrophic factor (BDNF) in the tissue before carcinogenic induction...
November 8, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29148079/insm1-a-novel-nuclear-marker-in-merkel-cell-carcinoma-cutaneous-neuroendocrine-carcinoma
#3
Patrick S Rush, Jason N Rosenbaum, Madhuchhanda Roy, Rebecca M Baus, Daniel D Bennett, Ricardo V Lloyd
Merkel cell carcinoma (MCC) is a rare, clinically aggressive, cutaneous neuroendocrine (NE) neoplasm. As a tumor with small, round, blue cells, the histologic differential diagnosis for MCC can include melanoma, metastatic small cell carcinoma (SCC), nodular hematopoietic tumors, basal cell carcinoma (BCC), atypical variants of squamous carcinoma, and the uncommon occurrence of primary cutaneous Ewing sarcoma. In cases with atypical histology or without the classic immunophenotype the diagnosis can be challenging...
November 17, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29146125/all-cause-mortality-in-patients-with-basal-and-squamous-cell-carcinoma-a-systematic-review-and-meta-analysis
#4
Mackenzie R Wehner, Wilmarie Cidre Serrano, Adi Nosrati, Patrick Michael Schoen, Mary-Margaret Chren, John Boscardin, Eleni Linos
BACKGROUND: There are varying reports of the association of basal cell carcinoma (BCC) and cutaneous squamous cell carcinoma (SCC) with mortality. OBJECTIVE: To synthesize the available information on all-cause mortality after a diagnosis of BCC or SCC in the general population. METHODS: We searched PubMed (1966-present), Web of Science (1898-present), and Embase (1947-present) and hand-searched to identify additional records. All English articles that reported all-cause mortality in patients with BCC or SCC were eligible...
November 13, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29144206/c-jun-expression-in-lichen-planus-psoriasis-and-cutaneous-squamous-cell-carcinoma-an-immunohistochemical-study
#5
Asmaa Gaber Abdou, Alaa Hassan Marae, Mohammed Shoeib, Ghada Dawood, Enas Abouelfath
The AP-1 transcription factor complex is a key player in regulating inflammatory processes, cell proliferation, differentiation and cell transformation. The aim of the present study is to investigate C-Jun (one of AP-1complex) expression and its proliferative role in skin samples of lichen planus, psoriasis as common inflammatory skin diseases and squamous cell carcinoma using immunohistochemical method. The present study was carried out on skin biopsies of 15 psoriatic patients, 15 lichen planus patients, 15 SCC and 15 normal skin biopsies...
November 16, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/29143268/skin-cancer-awareness-and-sun-protection-behavior-before-and-following-treatment-among-skin-cancer-treated-patients
#6
Robabeh Abedini, Maryam Nasimi, Pedram Nourmohammad Pour, Ifa Etesami, Safa Al-Asiri, Hamid Reza Tohidinik
There is little known about illness perception in patients with skin tumors. We conducted this study to investigate Iranian patients' understanding of skin tumors, and to evaluate their sun-protective behavior changes after treatment of skin cancer. Patients with a skin biopsy of basal cell carcinoma were asked to complete questionnaires. A total of 110 patients were enrolled in the study. Patients were mostly referred to our tumor clinic from rural areas. At the skin cancer perception investigation, 63% of patients did not consider their disease as a long-lasting situation...
November 15, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29142740/combined-empirical-mode-decomposition-and-texture-features-for-skin-lesion-classification-using-quadratic-support-vector-machine
#7
Maram A Wahba, Amira S Ashour, Sameh A Napoleon, Mustafa M Abd Elnaby, Yanhui Guo
Purpose: Basal cell carcinoma is one of the most common malignant skin lesions. Automated lesion identification and classification using image processing techniques is highly required to reduce the diagnosis errors. Methods: In this study, a novel technique is applied to classify skin lesion images into two classes, namely the malignant Basal cell carcinoma and the benign nevus. A hybrid combination of bi-dimensional empirical mode decomposition and gray-level difference method features is proposed after hair removal...
December 2017: Health Information Science and Systems
https://www.readbyqxmd.com/read/29141067/an-elusive-amelanotic-melanoma-and-review-of-dermoscopic-findings
#8
Anthony Chiaravalloti, Ali Banki
<p>Amelanotic melanoma (AM) is one of the great masqueraders in dermatology. It is a very difficult clinical diagnosis to make because these tumors are devoid of pigment and other clues of melanoma. They are commonly misdiagnosed clinically as other benign and malignant conditions. We present a new case of AM in an 84-year-old woman with a history of non-melanoma skin cancer. She had a thin pink plaque that was initially misdiagnosed as a basal cell carcinoma. We also discuss dermoscopy and its valuable role to improve diagnostic accuracy...
November 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29139363/cryosurgery-for-facial-and-scalp-lesions-of-basal-cell-carcinoma-a-study-in-29-elderly-patients
#9
Satish Savant, Sandeep Savant, Virendra N Sehgal
Basal cell carcinoma (BCC) is one of the pre-eminent tumors of the epidermis, recognized by explicit clinical-pathologic characteristics. It is relatively uncommon in South Asia including India and is amenable to a variety of modalities, including cryosurgery. The outcome of cryosurgery was evaluated in 18 men and 11 women, aged 58 to 83 years, who were treated with two freeze-thaw cycles of liquid nitrogen under local anesthesia, after requisite preparations. Of the 29 patients, 27 had complete clearance of the lesions in the course of 3 years of follow-up, while only 2 had a recurrence, one at 17 months and one at 23 months...
2017: Skinmed
https://www.readbyqxmd.com/read/29139000/effect-of-light-polarization-on-the-efficiency-of-photodynamic-therapy-of-basal-cell-carcinomas-an-in-vitro-cellular-study
#10
M JalalKamali, S N Nematollahi-Mahani, M Shojaei, A Shamsoddini, N Arabpour
In an in vitro study, the effect of light polarization on the efficiency of 5-aminolaevulinic acid (ALA) photodynamic therapy (PDT) of basal cell carcinoma (BCC) was investigated. Three states of light polarization (non-polarized, linearly polarized, and circularly polarized) were considered. Cells were exposed to green (532 pm 20 nm) irradiation from light emitting diodes. Cell survival was measured by the colorimetric assay (WST-1) and Trypan blue staining. The colorimetric assay showed a pronounced decrease in the cell viability (up to 30%) using polarized light compared to the non-polarized one in the wavelength region used...
November 15, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29137400/downregulation-of-the-sonic-hedgehog-gli-pathway-transcriptional-target-neogenin-1-is-associated-with-basal-cell-carcinoma-aggressiveness
#11
Bárbara S Casas, Christelle Adolphe, Pablo Lois, Nelson Navarrete, Natalia Solís, Eva Bustamante, Patricio Gac, Patricio Cabané, Ivan Gallegos, Brandon J Wainwright, Verónica Palma
Basal Cell Carcinoma (BCC) is one of the most diagnosed cancers worldwide. It develops due to an unrestrained Sonic Hedgehog (SHH) signaling activity in basal cells of the skin. Certain subtypes of BCC are more aggressive than others, although the molecular basis of this phenomenon remains unknown. We have previously reported that Neogenin-1 (NEO1) is a downstream target gene of the SHH/GLI pathway in neural tissue. Given that SHH participates in epidermal homeostasis, here we analyzed the epidermal expression of NEO1 in order to identify whether it plays a role in adult epidermis or BCC...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136577/atomic-force-microscopy-study-revealed-velocity-dependence-and-nonlinearity-of-nanoscale-poroelasticity-of-eukaryotic-cells
#12
Keyvan Mollaeian, Yi Liu, Siyu Bi, Juan Ren
Intracellular network deformation of the cell plays an important role in cellular shape formation. Recent studies suggest that cell reshaping and deformation due to external forces involve cellular volume, pore size, elasticity, and intracellular filaments polymerization degree change. This cell behavior can be described by poroelastic models due to the porous structure of the cytoplasm. In this study, the nanoscale poroelasticity of human mammary basal/claudin low carcinoma cell (MDA-MB-231) was investigated using indentation-based atomic force microscopy...
November 11, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29136407/phospholipase-d-inhibitors-reduce-human-prostate-cancer-cell-proliferation-and-colony-formation
#13
Amanda R Noble, Norman J Maitland, Daniel M Berney, Martin G Rumsby
BACKGROUND: Phospholipases D1 and D2 (PLD1/2) hydrolyse cell membrane glycerophospholipids to generate phosphatidic acid, a signalling lipid, which regulates cell growth and cancer progression through effects on mTOR and PKB/Akt. PLD expression and/or activity is raised in breast, colorectal, gastric, kidney and thyroid carcinomas but its role in prostate cancer (PCa), the major cancer of men in the western world, is unclear. METHODS: PLD1 protein expression in cultured PNT2C2, PNT1A, P4E6, LNCaP, PC3, PC3M, VCaP, 22RV1 cell lines and patient-derived PCa cells was analysed by western blotting...
November 14, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29136303/chromosome-9-mutations-reported-absent-in-some-patients-with-basal-cell-carcinoma-nevus-syndrome
#14
S Shih, B A Urso, R Domozych, K M Updyke, A I Laughlin, J A Solomon
Basal Cell Carcinoma Nevus Syndrome (BCCNS), also known as Gorlin syndrome, is a rare autosomal dominant condition with a substantial disease burden, thought to occur secondary to chromosome 9 mutation evoking a Hedgehog (Hh) signaling aberration that leads to early development of numerous basal cell carcinomas (BCCs). Individuals with BCCNS also present with keratocystic odontogenic tumors, medulloblastomas, and palmar or plantar pits1. This condition demonstrates variable expressivity, leading to differing phenotypes, even within the same family2...
November 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29136051/melanotrichoblastoma-a-rare-pigmented-variant-of-trichoblastoma
#15
Erin E Quist, Dominick J DiMaio
Trichoblastomas are rare cutaneous tumors arising from the hair bulb and mesenchyme. Although they are benign, they can pose a diagnostic dilemma for the clinician and pathologist because they clinically and histologically mimic more common lesions such as basal cell carcinomas (BCCs) and trichoepitheliomas. It is important for the clinician and pathologist to be aware of such tumors and their variants. We present a case of a melanotrichoblastoma, an exceedingly rare variant of trichoblastoma, as well as review the current literature on the clinical presentation and histologic differentiation of these unique tumors with their more commonly seen mimics...
October 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29135982/sting-expression-and-response-to-treatment-with-sting-ligands-in-premalignant-and-malignant-disease
#16
Jason R Baird, Zipeng Feng, Hong D Xiao, David Friedman, Ben Cottam, Bernard A Fox, Gwen Kramer, Rom S Leidner, R Bryan Bell, Kristina H Young, Marka R Crittenden, Michael J Gough
Human papilloma virus positive (HPV+) tumors represent a large proportion of anal, vulvar, vaginal, cervical and head and neck squamous carcinomas (HNSCC) and late stage invasive disease is thought to originate from a premalignant state. Cyclic dinucleotides that activate STimulator of INterferon Genes (STING) have been shown to cause rapid regression of a range of advanced tumors. We aimed to investigate STING ligands as a novel treatment for papilloma. We tested therapies in a spontaneous mouse model of papilloma of the face and anogenital region that histologically resembles human HPV-associated papilloma...
2017: PloS One
https://www.readbyqxmd.com/read/29135512/cytokeratin-profile-of-basal-cell-carcinomas-according-to-the-degree-of-sun-exposure-and-to-the-anatomical-localization
#17
Ma Reyes García-de-la-Fuente, Maria Santacana, Joan Valls, Felip Vilardell, José Manuel Fernández Armenteros, Ramon Pujol, Eloi Gari, Josep Manel Casanova
Basal cell carcinoma (BCC) seems to originate from ultraviolet light-induced mutations involving the bulge or the outer sheath of the hair follicle cells. However, the etiopathogenic mechanisms involved in the development of these tumors in nonphotoexposed and in hairless areas remain unclear. The cytokeratin (CK) profile (including CK5/6, CK7, CK14, CK15, CK17, and CK19) from a series of different BCC subtypes developing in sun-exposed and non-sun-exposed areas, including hairless regions, was evaluated. The authors have observed that CK7 expression in BCC is associated with the anatomical localization of the tumor and its sun-exposition, but not with other factors such as histological subtype...
November 1, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29132860/a-novel-clinical-sign-to-aid-in-the-diagnosis-of-superficial-basal-cell-carcinoma
#18
Nikki R Adler, Yan Pan, John W Kelly
No abstract text is available yet for this article.
December 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29124688/uv-induced-molecular-signaling-differences-in-melanoma-and-non-melanoma-skin-cancer
#19
Feng Liu-Smith, Jinjing Jia, Yan Zheng
There are three major types of skin cancer: melanoma, basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). BCC and SCC are often referred to as non-melanoma skin cancer (NMSC). NMSCs are relatively non-lethal and curable by surgery, hence are not reportable in most cancer registries all over the world. Melanoma is the deadliest skin cancer. Its incidence rate (case number) is about 1/10th of that for NMSC, yet its death toll is ~8 fold higher than NMSC.Melanomas arise from melanocytes which are normally located on the basement membrane with dendrites extending into the epidermal keratinocytes...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29124377/trendy-tattoos-maybe-a-serious-health-risk
#20
Felix J Paprottka, Nicco Krezdorn, Mustafa Narwan, Marvee Turk, Heiko Sorg, Ernst Magnus Noah, Detlev Hebebrand
BACKGROUND: The literature reports many cases of cutaneous malignancy in the setting of skin tattoos. In this study, we review the reported incidence of and risk factors for tattoo-associated skin cancer. METHODS: A PubMed literature review was performed for all cases of tattoo-associated skin cancer, including squamous cell carcinoma, basal cell carcinoma, malignant melanoma, keratoacanthoma, and other rare skin malignancies (source: PubMed/until June 2017). RESULTS: The authors identified 51 publications and 63 total cases of tattoo-associated skin cancer...
November 9, 2017: Aesthetic Plastic Surgery
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