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Actinic keratosis

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https://www.readbyqxmd.com/read/28925390/alterations-of-micrornas-throughout-the-malignant-evolution-of-cutaneous-squamous-cell-carcinoma-the-role-of-mir-497-in-epithelial-to-mesenchymal-transition-of-keratinocytes
#1
A Mizrahi, A Barzilai, D Gur-Wahnon, I Z Ben-Dov, S Glassberg, T Meningher, E Elharar, M Masalha, J Jacob-Hirsch, H Tabibian-Keissar, I Barshack, J Roszik, R Leibowitz-Amit, Y Sidi, D Avni
Skin carcinogenesis is known to be a multi-step process with several stages along its malignant evolution. We hypothesized that transformation of normal epidermis to cutaneous squamous cell carcinoma (cSCC) is causally linked to alterations in microRNAs (miRNA) expression. For this end we decided to evaluate their alterations in the pathologic states ending in cSCC. Total RNA was extracted from formalin fixed paraffin embedded biopsies of five stages along the malignant evolution of keratinocytes towards cSCC: Normal epidermis, solar elastosis, actinic keratosis KIN1-2, advanced actinic keratosis KIN3 and well-differentiated cSCC...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28925042/clinical-comparison-of-actinic-changes-preceding-squamous-cell-carcinoma-vs-intraepidermal-carcinoma-in-renal-transplant-recipients
#2
Z Jiyad, P O'Rourke, H P Soyer, A C Green
Intraepidermal carcinoma (IEC) is a type of in situ squamous cell carcinoma (SCC), although progression of IEC is rare. We sought to investigate differences between the actinic skin changes preceding the development of both SCC and IEC. Photographs of 63 skin sites at which either SCC or IEC subsequently developed in 37 renal transplant recipients (RTRs) were examined for features of actinic change. We found that areas of skin with an actinic keratosis (AK) > 1 cm(2) in size were four times more likely to develop SCC as opposed to IEC (OR = 4...
September 19, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28917462/human-papilloma-virus-expression-in-immunocompetent-patients-with-actinic-keratosis-a-case-series
#3
Caterina Dianzani, Francesca Paolini, Claudio Conforti, Elisabetta Riva, Emanuela Beninati, Aldo Venuti
No abstract text is available yet for this article.
October 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28906092/prevalence-of-actinic-keratosis-in-a-french-cohort-of-elderly-people-the-proof-study
#4
Elisa Cinotti, Jean L Perrot, Bruno Labeille, Amandine Mora Gues, Christelle Chol, Amaury Leclerq, Cécile Jaffelin, Anne C Biron, Jean C Barthélémy, Frédéric Cambazard
No abstract text is available yet for this article.
October 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28902026/chemical-peels-indications-and-special-considerations-for-the-male-patient
#5
Jeave Reserva, Amanda Champlain, Seaver L Soon, Rebecca Tung
BACKGROUND: Chemical peels are a mainstay of aesthetic medicine and an increasingly popular cosmetic procedure performed in men. OBJECTIVE: To review the indications for chemical peels with an emphasis on performing this procedure in male patients. MATERIALS AND METHODS: Review of the English PubMed/MEDLINE literature and specialty texts in cosmetic dermatology, oculoplastic, and facial aesthetic surgery regarding sex-specific use of chemical peels in men...
September 4, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28869804/erosive-pustular-dermatosis-of-the-scalp-and-kindler-syndrome-a-new-association
#6
L Atzori, M Lai, A Lappi, M A Brundu, F Rongioletti
Erosive pustular dermatosis of the scalp (EPDS) is a rare inflammatory disease that predominantly affects elderly people, with a chronic course and long-term management.(1) Sterile pustules, superficial erosions and crusted lesions on atrophic skin, resulting in cicatricial alopecia, characterize the typical clinical presentation. (1-3) Triggering factors include several drugs, actinic damage, local trauma, surgery, and physical or chemical procedures for actinic keratosis.(4-6) To the best of our knowledge, no previous association with Kindler syndrome was found in the literature...
September 4, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28859143/the-effect-of-wool-hydrolysates-on-squamous-cell-carcinoma-cells-in-vitro-possible-implications-for-cancer-treatment
#7
Tatsiana Damps, Anna Katarzyna Laskowska, Tomasz Kowalkowski, Monika Prokopowicz, Anna Katarzyna Puszko, Piotr Sosnowski, Joanna Czuwara, Marek Konop, Krzysztof Różycki, Joanna Karolina Borkowska, Aleksandra Misicka, Lidia Rudnicka
Squamous cell carcinoma of the skin is the second most common cutaneous malignancy. Despite various available treatment methods and advances in noninvasive diagnostic techniques, the incidence of metastatic cutaneous squamous cell carcinoma is rising. Deficiency in effective preventive or treatment methods of transformed keratinocytes leads to necessity of searching for new anticancer agents. The present study aims to evaluate the possibility of using wool hydrolysates as such agents. Commercially available compounds such as 5-fluorouracil, ingenol mebutate, diclofenac sodium salt were also used in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28858927/clinical-and-histologic-evaluation-of-ingenol-mebutate-0-015-gel-for-the-cosmetic-improvement-of-photoaged-skin
#8
Marc Z Handler, Bradley S Bloom, David J Goldberg
BACKGROUND: No studies have examined the use of topical ingenol mebutate for improvement of photoaged skin. OBJECTIVE: To evaluate clinical results of ingenol mebutate gel applied to photoaged skin and to quantify improvement at 7, 30, and 60 days after application. MATERIALS AND METHODS: Twenty-five subjects were enrolled in the study. Picato (ingenol mebutate) (LEO Pharma, Parsippany, NJ) gel was applied to an area with a known actinic keratosis daily for 3 days...
August 30, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28853982/outcomes-of-two-surgical-techniques-for-major-trichiasis-treatment
#9
Lucieni Cb Ferraz, Roberta Lrs Meneghim, Alicia Galindo-Ferreiro, Ana Cv Wanzeler, Michelli M Saruwatari, Larissa H Satto, Carlos R Padovani, Silvana A Schellini
The purpose of this article is to analyze the outcomes of two surgical techniques to treat major trichiasis. A retrospective chart review of 67 patients (89 eyelids) with major trichiasis was performed who underwent surgical treatment using one of two techniques: intermarginal split lamella with graft (ISLG group) or lid lamella resection (LLR group). There were 30 lids in the ISLG group with mean patient age of 71.8 years and 63.3% were females. There were 59 lids in the LLR group with mean patient age of 72...
August 30, 2017: Orbit
https://www.readbyqxmd.com/read/28846164/cutaneous-sporotrichosis-treated-with-methylene-blue-daylight-photodynamic-therapy
#10
Ana Julia García-Malinis, Ana Milagro Beamonte, Luis Torres Sopena, Oscar García-Callen, Pilar Puertolas-Villacampa, Yolanda Gilaberte
Sporotrichosis is an infection caused by the dimorphic fungus,Sporothrix schenckii. Acquisition typically occurs via cutaneous inoculation with development of a localized cutaneous and/or lymphocutaneous infection. aPDT (antimicrobial photodynamic therapy) is a process that generates reactive oxygen species (ROS) in presence of a photosensitizer, visible light and oxygen which destroys fungal and bacterial cells(1). Daylight PDT (DL-PDT) uses the visible spectrum of daylight (400-750nm) for the activation of the photosensitizer instead of an artificial light source...
August 28, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28845237/topical-5-fluorouracil-associated-skin-reaction
#11
Komal Chughtai, Rahul Gupta, Sunil Upadhaya, Samer Al Hadidi
Topical 5- Fluorouracil (5-FU) is used more frequently to treat actinic keratosis. We are presenting a skin reaction as a side effect of this medication. Treatment for such cases of 5-FU-induced skin reactions is based on proper skin care and treatment of any superimposed infections. Medical providers should be aware of such side effects to provide their patients with proper instructions to avoid complications.
August 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28832993/what-s-new-in-dermoscopy-of-bowen-s-disease-two-new-dermoscopic-signs-and-its-differential-diagnosis
#12
Yi Yang, Jingrong Lin, Shifeng Fang, Shixin Han, Zhiqi Song
BACKGROUND: Clinical and dermoscopic features of Bowen's disease (BD) show great diversity. Some lesions of BD are often difficult to be differentiated from seborrheic keratosis, actinic keratosis, lichen planus-like keratosis, etc. It is necessary to fully describe the dermoscopic features of the disease, considering differential diagnosis. OBJECTIVE: To describe the dermoscopic feautres of Bowen's disease and summarize the dermoscopic differential diagnosis of the disease...
August 22, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28805940/new-and-current-preventive-treatment-options-in-actinic-keratosis
#13
REVIEW
P Arenberger, M Arenbergerova
Actinic keratosis (AK) is a characteristic skin lesion on skin areas of subjects with mainly phototype I and phototype II, or with specific genetic factors and who are exposed to prolonged ultraviolet radiation. AK may be considered a precursor of in situ squamous cell carcinoma (SCC), a type of non-melanoma skin cancer (NMSC). However, it is still not possible to predict which AK lesions will develop into SCC. Early treatment of AK is therefore recommended. Despite the increasing number of patients with AK developing into SCC, to date, there is still no clear suggestion of therapeutic strategy for AK...
September 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28805092/a-review-of-bf-200-ala-for-the-photodynamic-treatment-of-mild-to-moderate-actinic-keratosis
#14
Uwe Reinhold
BF-200 ALA is a combination of a nanoscale-lipid vesicle formulation and the prodrug 5-aminolevulinic acid (5-ALA). The nanoemulsion stabilizes the prodrug and enhances its penetration through the stratum corneum. It has shown excellent therapeutic results in both lesion and field-directed photodynamic therapy of actinic keratosis (AK). AK is an early form of epidermal neoplasia and a precursor of invasive cutaneous squamous cell carcinoma. It is characterized by the combination of visible neoplastic lesions and surrounding tissue also harboring tumorigenic UV-induced mutations: a concept called field cancerization...
August 14, 2017: Future Oncology
https://www.readbyqxmd.com/read/28796927/epithelial-to-mesenchymal-transition-contributes-to-invasion-in-squamous-cell-carcinomas-originated-from-actinic-keratosis-through-the-differentiated-pathway-whereas-proliferation-plays-a-more-significant-role-in-the-classical-pathway
#15
X Saenz-Sardà, C Carrato, L Pérez-Roca, L Puig, C Ferrándiz, A Ariza, M T Fernández-Figueras
BACKGROUND: Every actinic keratosis (AK) starts with atypia at the basal layers of the epidermis (AK I). Progression into invasive squamous cell carcinoma (iSCC) may occur following two main pathways, classical and differentiated. In the former, iSCC only occurs after involvement of the upper epidermal layers by atypical cells (AK III), while in the latter iSCC develops directly from AK I. In the anogenital mucosa, these two pathways are associated with differential expression of p53 and p16...
August 10, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28796885/photodynamic-therapy-is-more-effective-than-imiquimod-for-actinic-keratosis-in-organ-transplant-recipients-a-randomized-intra-individual-controlled-trial
#16
K Togsverd-Bo, C Halldin, C Sandberg, H Gonzalez, A M Wennberg, S S Sørensen, H C O Wulf, M Haedersdal
BACKGROUND: Actinic keratoses (AKs) in solid organ transplant recipients (OTRs) are difficult-to-treat pre-malignancies and comparison of topical therapies is therefore warranted. OBJECTIVES: In an intra-individual study to compare efficacy and safety of field treatment with methyl aminolevulinate photodynamic therapy (MAL-PDT) and imiquimod (IMIQ) for AKs in OTRs. MATERIALS AND METHODS: OTRs (n=35) with 572 AKs (grade I-III) in two similar areas in the face, scalp, dorsal hands or forearms were included...
August 10, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28771885/in-vivo-measurements-of-blood-vessels-distribution-in-non-melanoma-skin-cancer-by-dynamic-optical-coherence-tomography-a-new-quantitative-measure
#17
V Sigsgaard, L Themstrup, P Theut Riis, J Olsen, G B Jemec
BACKGROUND: Skin biopsies only provide point-in-time data making longitudinal studies difficult. Using Dynamic optical coherence tomography (D-OCT) in vivo, non-invasive imaging of the microvasculature becomes possible. The current OCT literature is almost exclusively based on qualitative information but quantitative data may offer additional advantages, for example, by reducing observer variation. The objective of this study was to evaluate the in vivo superficial distribution of blood vessels, defined as the surface-to-first-vessel distance, in actinic keratosis, basal cell carcinoma, squamous cell carcinoma and normal skin...
August 3, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28767028/-the-dutch-college-of-general-practitioners-practice-guideline-suspicious-skin-lesions
#18
Z Damen-van Beek, W Opstelten
- The Dutch College of General Practitioners practice guideline 'Suspicious skin lesions' provides recommendations for diagnosis, treatment and referral for the most common premalignant and malignant skin disorders.- The practice guideline includes a flowchart which starts by looking at the colour and surface of the skin lesion to direct the general practitioner to the most likely diagnosis.- In case of strong suspicion of squamous cell carcinoma, keratoacanthoma or melanoma and in case of basal cell carcinoma or Bowen's disease with high-risk characteristics, the general practitioner will refer the patient to a dermatologist...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28766013/metal-arc-welding-and-the-risk-of-skin-cancer
#19
K N Heltoft, R M Slagor, T Agner, J P Bonde
OBJECTIVES: Arc welding produces the full spectrum of ultraviolet radiation and may be a contributory cause of skin cancer; however, there has been little research into this occupational hazard. The aim of this study is to explore if metal arc welding increases the risk of malignant melanoma and/or basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) on skin areas which may possibly be exposed (neck, head, and upper extremities). METHOD: A Danish national company-based historic cohort of 4333 male metal arc welders was followed from 1987 through 2012 to identify the risk of skin cancer...
August 1, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28761960/seven-non-melanoma-features-of-facial-lesions-a-dermatoscopy-algorithm-to-rule-out-melanoma
#20
Philipp Tschandl, Alessio Gambardella, Amélie Boespflug, Teresa Deinlein, Vincenzo de Giorgi, Harald Kittler, Aimilios Lallas, Josep Malvehy, Elvira Moscarella, Susana Puig, Massimiliano Scalvenzi, Luc Thomas, Iris Zalaudek, Roberto Alfano, Giuseppe Argenziano
Facial melanoma is difficult to diagnose and dermatoscopic features are often subtle. Dermatoscopic non-melanoma patterns may have a comparable diagnostic value. In this pilot study, facial lesions were collected retrospectively, resulting in a case set of 339 melanomas and 308 non-melanomas. Lesions were evaluated for the prevalence (> 50% of lesional surface) of 7 dermatoscopic non-melanoma features: scales, white follicles, erythema/reticular vessels, reticular and/or curved lines/fingerprints, structureless brown colour, sharp demarcation, and classic criteria of seborrhoeic keratosis...
August 1, 2017: Acta Dermato-venereologica
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