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Basal cell carcinoma, Squamous cell carcinoma

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https://www.readbyqxmd.com/read/29144206/c-jun-expression-in-lichen-planus-psoriasis-and-cutaneous-squamous-cell-carcinoma-an-immunohistochemical-study
#1
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/29135982/sting-expression-and-response-to-treatment-with-sting-ligands-in-premalignant-and-malignant-disease
#2
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/29124688/uv-induced-molecular-signaling-differences-in-melanoma-and-non-melanoma-skin-cancer
#3
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
#4
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
https://www.readbyqxmd.com/read/29121636/improving-diagnostic-sensitivity-of-combined-dermoscopy-and-reflectance-confocal-microscopy-imaging-through-double-reader-concordance-evaluation-in-telemedicine-settings-a-retrospective-study-of-1000-equivocal-cases
#5
A M Witkowski, J Łudzik, F Arginelli, S Bassoli, E Benati, A Casari, N De Carvalho, B De Pace, F Farnetani, A Losi, M Manfredini, C Reggiani, J Malvehy, G Pellacani
BACKGROUND: Reflectance confocal microscopy (RCM) is an imaging device that permits non-invasive visualization of cellular morphology and has been shown to improve diagnostic accuracy of dermoscopically equivocal cutaneous lesions. The application of double reader concordance evaluation of dermoscopy-RCM image sets in retrospective settings and its potential application to telemedicine evaluation has not been tested in a large study population. OBJECTIVE: To improve diagnostic sensitivity of RCM image diagnosis using a double reader concordance evaluation approach; to reduce mismanagement of equivocal cutaneous lesions in retrospective consultation and telemedicine settings...
2017: PloS One
https://www.readbyqxmd.com/read/29117441/actinic-keratosis-area-and-severity-index-akasi-is-associated-with-the-incidence-of-squamous-cell-carcinoma
#6
L Schmitz, T Gambichler, G Gupta, M Stücker, T Dirschka
BACKGROUND: Actinic keratoses (AKs) are commonly diagnosed clinically. Actinic keratosis area and severity index (AKASI) is a new easy-to-use tool to assess the severity of AK on the head. OBJECTIVE: To determine the association between chronically UV-induced tumours such as basal cell carcinomas (BCC) or squamous cell carcinomas (SCC) and AKASI. METHODS: We performed a retrospective analysis of patients who had undergone oncological surgery due to UV-induced tumours and who were assessed for AKASI and Physician's Global Assessment (PGA) prior to surgery...
November 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29115643/differential-expression-of-cyclin-d1-ki%C3%A2-67-prb-and-p53-in-psoriatic-skin-lesions-and-normal-skin
#7
Sung Ae Kim, Young Wook Ryu, Jun Il Kwon, Mi Sun Choe, Jin Woong Jung, Jae We Cho
Psoriasis is a hyperproliferative inflammatory skin disease; therefore, it is highly likely that psoriatic skin lesions may transform into malignancies. However, malignant transformation is not common. We performed immunohistochemical studies using anti‑cyclin D1, anti‑cyclin E, anti‑pRb, anti‑p53, anti‑p16INK4a, and anti‑Ki‑67 antibodies in normal skin, psoriatic epidermal tissue, and squamous cell carcinoma (SCC) tissue. Furthermore, western blot analysis and immunohistochemical staining were performed to ascertain differences in cyclin D1, cyclin E, pRb, and Ki‑67 expression before and after treatment for psoriasis...
November 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29113685/expression-of-%C3%AE-1integrin-in-normal-epithelium-oral-submucous-fibrosis-and-oral-squamous-cell-carcinoma
#8
Veeran Veeravarmal, Ravi David Austin, Siddavaram Nagini, Mohamed Hanifa Mohamed Nassar
INTRODUCTION AND AIMS: The possible reason suggested for epithelial atrophy in oral submucous fibrosis (OSMF) is ischemia. Dysregulation in the epithelial proliferation and maturation is also thought to be a cause. The β1 integrin identifies the oral epithelial stem cells. The changes induced by the arecanut on these cells may result in epithelial alterations. The aim of this study is to evaluate the stem cells distribution and percentage by assessing the β1 integrin expression. MATERIALS AND METHODS: The study included normal oral mucosa (15 cases) and disease group (97 cases)...
October 26, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29113290/telomere-dna-damage-signaling-regulates-cancer-stem-cell-evolution-epithelial-mesenchymal-transition-and-metastasis
#9
Angelica M Lagunas, Jianchun Wu, David L Crowe
Chromosome ends are protected by telomeres that prevent DNA damage response and degradation. When telomeres become critically short, the DNA damage response is activated at chromosome ends which induces cellular senescence or apoptosis. Telomeres are protected by the double stranded DNA binding protein TRF2 and maintained by telomerase or a recombination based mechanism known as alternative lengthening of telomeres (ALT). Telomerase is expressed in the basal layer of the epidermis, and stem cells in epidermis have longer telomeres than proliferating populations...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29104226/updates-on-the-management-of-non-melanoma-skin-cancer-nmsc
#10
REVIEW
Artur Fahradyan, Anna C Howell, Erik M Wolfswinkel, Michaela Tsuha, Parthiv Sheth, Alex K Wong
Non-melanoma skin cancers (NMSCs) are the most common malignancy worldwide, of which 99% are basal cell carcinomas (BCCs) and squamous cell carcinomas (SCCs) of skin. NMSCs are generally considered a curable diseases, yet they currently pose an increasing global healthcare problem due to rising incidence. This has led to a shift in emphasis on prevention of NMSCs with development of various skin cancer prevention programs worldwide. This article aims to summarize the most recent changes and advances made in NMSC management with a focus on prevention, screening, diagnosis, and staging...
November 1, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29103328/skin-cancer-associated-with-commonly-prescribed-drugs-tumor-necrosis-factor-alpha-inhibitors-tnf-%C3%AE-is-angiotensin-receptor-blockers-arbs-phosphodiesterase-type-5-inhibitors-pde5is-and-statins-weighing-the-evidence
#11
Beatrice Nardone, Kelsey A Orrell, Paras P Vakharia, Dennis P West
Skin cancers, including both malignant melanoma (MM) and nonmelanoma skin cancer (NMSC), are the most commonly diagnosed cancers in the US. The incidence of both MM and NMSC continues to rise. Areas Covered: Current evidence for an association between four of the most commonly prescribed classes of drugs in the U.S. and risk for MM and NMSC is reported. Medline was searched (January 2000 to May 2017) for each drug in the classes and for "basal cell carcinoma", "squamous cell carcinoma", "non-melanoma skin cancer", "skin cancer" and "melanoma"...
November 6, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29100394/effects-of-photodynamic-therapy-on-dermal-fibroblasts-from-xeroderma-pigmentosum-and-gorlin-goltz-syndrome-patients
#12
Alicia Zamarrón, Marta García, Marcela Del Río, Fernando Larcher, Ángeles Juarranz
PDT is widely applied for the treatment of non-melanoma skin cancer pre-malignant and malignant lesions (actinic keratosis, basal cell carcinoma and in situ squamous cell carcinoma). In photodynamic therapy (PDT) the interaction of a photosensitizer (PS), light and oxygen leads to the formation of reactive oxygen species (ROS) and thus the selective tumor cells eradication. Xeroderma pigmentosum (XP) and Gorlin-Goltz Syndrome (GS) patients are at high risk of developing skin cancer in sun-exposed areas. Therefore, the use of PDT as a preventive treatment may constitute a very promising therapeutic modality for these syndromes...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29090201/nonsyndromic-multiple-basal-cell-carcinomas
#13
Dong Hwi Kim, Hyo Sun Ko, Young Joon Jun
Basal cell carcinoma (BCC) comprising several lesions is not uncommon, but nonsyndromic multiple BCCs with parotid invasion are rare entities. We present two cases of multiple sporadic, nonsyndromic BCCs, and one of these cases is a unique case of parotid invasion associated purely with actinic keratosis. In Case 1, a 79-year-old female presented with multiple skin lesions on the face and left hand. All lesions were completely removed by surgery. The pathologic results showed lesions consistent with BCC and some lesions consistent with actinic keratosis...
September 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/29076123/-diagnosis-related-groups-in-reconstructive-plastic-surgery-of-malignant-head-and-neck-skin-tumours
#14
Oliver Lotter, Manuela Micheel, Patrick Jaminet
Background Diagnosis Related Groups (DRGs) were introduced in Germany as a medico-economic classification system 13 years ago. In this analysis, we looked into the compensation for reconstructive plastic surgery after the excision of malignant head and neck skin tumours by DRGs. Material and methods Four main diagnoses (malignant melanoma, basal cell carcinoma, squamous cell carcinoma, carcinoma in situ) at a maximum of 6 different locations in the head and neck were combined with the following procedures: excision and primary wound closure, excision with temporary soft tissue coverage, split-thickness or full-thickness skin grafting, local, free or regional pedicle flaps, distant flaps as well as combined procedures for coverage...
October 26, 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/29073637/tetracycline-use-and-risk-of-incident-skin-cancer-a-prospective-study
#15
Wen-Qing Li, Aaron M Drucker, Eunyoung Cho, Francine Laden, Trang VoPham, Suyun Li, Martin A Weinstock, Abrar A Qureshi
BACKGROUND: Tetracycline is a photosensitising medication that increases skin vulnerability to UV-related damage. METHODS: We prospectively examined tetracycline use and risk of incident melanoma, squamous cell carcinoma (SCC), and basal cell carcinoma (BCC) based on 213 536 participants from the Nurses' Health Study (NHS), NHS2, and Health Professionals Follow-up Study. Information on ever use of tetracycline was asked via questionnaire. Diagnoses of melanoma and SCC were pathologically confirmed...
October 26, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29063525/evaluation-of-the-national-skin-cancer-campaign-a-swiss-experience-of-euromelanoma
#16
Sven Lieberherr, S Morteza Seyed Jafari, Simone Cazzaniga, Enrica Bianchi, Bettina Schlagenhauff, Gion Tscharner, Jürg Hafner, Carlo Mainetti, Anne-Karine Lapointe, Robert E Hunger
AIMS OF THE STUDY: Skin cancer is a burden to healthcare and patients worldwide. The incidence of skin cancer has been rising during recent decades and this trend is expected to continue in the future. Numerous risk factors have been identified and prevention strategies developed. The Euromelanoma campaign is a pan-European skin cancer prevention programme, targeted to both primary and secondary prevention of malignant melanoma. The current study aimed to evaluate the results of the Swiss skin cancer screening day 2016...
October 24, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29057176/the-effect-of-conversion-from-a-calcineurin-inhibitor-to-sirolimus-on-skin-cancer-reduction-in-post-renal-transplantation-patients
#17
REVIEW
Aaron Smith, Wei Niu, Anand Desai
In kidney transplant patients, skin cancer is the most commonly involved neoplasm. More than 90% of post-transplantation skin cancers are nonmelanoma skin cancers (NMSCs). The majority of them are squamous cell carcinomas and basal cell carcinomas. Calcineurin inhibitors (CNIs) such as cyclosporine and tacrolimus are immunosuppressive agents given after solid organ transplantation, but they can also promote tumor growth. Sirolimus is a novel class of immunosuppressants and has been proven to have antineoplastic properties...
August 13, 2017: Curēus
https://www.readbyqxmd.com/read/29054795/topical-ala-pdt-as-alternative-therapeutic-option-in-treatment-recalcitrant-dermatosis-report-of-4-cases
#18
REVIEW
Calvina Theresia, Jie Zheng, Xiao-Ying Chen
BACKGROUND: Topical Photodynamic therapy (PDT) is widely acknowledged for its safety and effectiveness in treating oncologic skin diseases such as basal cell carcinoma, actinic keratosis and squamous cell carcinoma in situ. Despite its broad applications in dermatology, this method is a relatively new therapeutic option for treating inflammatory/infectious skin diseases. OBJECTIVES: To determine whether topical PDT is a safe and effective treatment option in treating treatment-recalcitrant dermatosis...
October 17, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29053539/management-of-incompletely-excised-skin-tumors-our-experience
#19
Bernard F Robertson, James E T Wokes, Haroon Siddiqui
BACKGROUND: Current British Association of Dermatologists guidelines recommend that Mohs micrographic surgery should be considered for incompletely excised basal cell carcinomas and squamous cell carcinomas. Units that perform Mohs surgery are limited. In Teesside, the skin cancer multidisciplinary team discusses all incompletely excised skin tumors, considers all treatment options, provides recommendations, and initiates the agreed management plan. OBJECTIVE: To assess the outcome and appropriateness of local surgical macroexcision for incompletely excised skin tumors...
October 19, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29053046/microcystic-adnexal-carcinoma-of-the-orbit-mimicking-pagetoid-sebaceous-gland-carcinoma
#20
Bipasha Mukherjee, Nirmala Subramaniam, Krishna Kumar, Pratheeba Devi Nivean
Microcystic adnexal carcinoma (MAC) is a rare malignancy of sweat glands that has been reported most often on the face in the form of a cutaneous lesion, with the potential for deeper invasion. The synonyms of MAC include sclerosing sweat duct carcinoma, syringomatous carcinoma, and malignant syringoma. Clinically, MAC in the periocular area has been misdiagnosed as basal cell carcinoma, squamous cell carcinoma, or even chalazia. We report a case of MAC presenting clinically as sebaceous gland carcinoma with pagetoid spread for the first time in literature...
October 20, 2017: Orbit
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