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Actinic keratosis

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https://www.readbyqxmd.com/read/28224020/ingenol-mebutate-topical-gel-a-status-report-on-clinical-use-beyond-actinic-keratosis
#1
James Q Del Rosso
Ingenol mebutate is available as a topical gel formulation approved for the treatment of actinic keratosis. Two different concentrations are available for treatment of actinic keratoses at specific anatomic sites with the advantages of short durations of therapy and limited "down time" related to visible inflammation as compared to other topical agents. Due to the various modes of action of ingenol mebutate, it has also been used for treatment of disease states other than actinic keratosis. This manuscript discusses the suggested modes of action of ingenol mebutate and reviews publications on the use of ingenol mebutate gel for cutaneous disorders other than actinic keratosis, including squamous cell carcinoma in-situ, basal cell carcinoma, actinic cheilitis, anogenital warts, and others...
November 2016: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28222225/daylight-photodynamic-therapy-vs-conventional-photodynamic-therapy-as-skin-cancer-preventive-treatment-in-patients-with-face-and-scalp-cancerization-an-intra-individual-comparison-study
#2
Elena Sotiriou, Demetrios Ioannides, Fotini Vrani, Elizabeth Lazaridou, Efstratios Vakirlis, Aimilios Lallas, Zoe Apalla
BACKGROUND: Individuals with medical history of non-melanoma skin cancers (NMSCs) usually develop multiple and/or recurrent malignant lesions around the site of the primary neoplasm. The latter represents the clinical expression of the "field cancerization" theory; supporting the presence of multiple malignant clones of dysplastic keratinocytes over the entire epithelium that potentially can progress into clinical lesions. Taking into consideration that the burden of NMSCs on public health and health-care cost is high, adequate control of recurrences and management of field change is challenging...
February 21, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28214381/the-value-of-reflectance-confocal-microscopy-in-diagnosis-of-flat-pigmented-facial-lesions-a-prospective-study
#3
E Wurm, G Pellacani, C Longo, H P Soyer, S Gonzalez, R Hofmann-Wellenhof, V Ahlgrimm-Siess, P Guitera, C Sinz, H Kittler
BACKGROUND: Flat pigmented facial lesions are difficult to diagnose even with dermatoscopy. It is controversial how additional information obtained by in vivo reflectance confocal microscopy (RCM) impacts the diagnosis and management. OBJECTIVE: To examine what in vivo reflectance confocal microscopy of flat pigmented facial lesions adds to clinical examination using dermatoscopy including digital dermatoscopic monitoring. METHODS: We prospectively collected 70 cases of flat pigmented facial lesions and recorded diagnoses and management decisions by experts based on direct clinical examination aided by dermatoscopy including digital dermatoscopic monitoring and by remote experts who reviewed the corresponding confocal images...
February 18, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28213896/filaggrin-loss-of-function-mutations-atopic-dermatitis-and-risk-of-actinic-keratosis-results-from-two-cross-sectional-studies
#4
Y M F Andersen, A Egeberg, E Balslev, C L T Jørgensen, P B Szecsi, S Stender, J Kaae, A Linneberg, G Gislason, L Skov, P M Elias, J P Thyssen
BACKGROUND: Common loss-of-function mutations in filaggrin gene (FLG) represent a strong genetic risk factor for atopic dermatitis (AD). Homozygous mutation carriers typically display ichthyosis vulgaris (IV) and many have concomitant AD. Previously, homozygous, but not heterozygous, filaggrin gene mutations have been associated with squamous cell carcinomas. OBJECTIVE: The first objective was to examine the association between FLG mutations and actinic keratosis (AK)...
February 18, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28188920/optical-coherence-tomography-in-the-diagnosis-of-actinic-keratosis-a-systematic-review
#5
REVIEW
K B E Friis, L Themstrup, G B E Jemec
BACKGROUND: Optical coherence tomography (OCT) is a real-time non-invasive imaging tool, introduced in dermatology in the late 1990s. OCT uses near-infrared light impulses to produce images which can be displayed in cross-sectional and en-face mode. The technique has been used to image skin diseases especially non-melanoma skin cancer including actinic keratosis (AK). Morphological characteristics of AK can be visualized in OCT images and can be used for diagnosis as well as disease monitoring...
February 7, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28167201/efficacy-of-iontophoresis-assisted-ablative-fractional-laser-photodynamic-therapy-with-short-incubation-time-for-the-treatment-of-actinic-keratosis-12-month-follow-up-results-of-a-prospective-randomised-comparative-trial
#6
Seung-Hwan Choi, Tae-Hoon Kim, Ki-Hoon Song
BACKGROUND: Iontophoresis is a transdermal drug-delivery technique that enhances the transport of ionic species across membranes and may have significant benefit for the treatment of actinic keratosis (AK) by ablative fractional laser-primed photodynamic therapy (AFL-PDT). The aim of this study were to compare the efficacy, recurrence rate, cosmetic outcome and safety of iontophoresis-assisted AFL-PDT with 2hours of incubation vs. those of conventional AFL-PDT with 2- and 3-hour incubation in patients with facial and scalp AK...
February 3, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28150108/cyclooxygenase-in-cancer-prevention-and-treatments-for-actinic-keratosis
#7
REVIEW
Gareth J Thomas, Colin A Morton
Non-steroidal anti-inflammatory drugs (NSAIDs) are a chemically diverse class of drugs that target the cyclooxygenase (COX) pathway and have anti-inflammatory, analgesic, and antipyretic properties. Elevated expression of COX-2 has been associated with tumor progression in skin cancer through multiple mechanisms. We present evidence for a chemoprotective effect of NSAIDs and discuss potential mechanisms of action of COX-2 in cancer. We also discuss the challenges associated with the treatment of actinic keratosis and the factors that should be taken into consideration when selecting a treatment regimen...
January 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28131816/traf1-is-critical-for-dmba-solar-uv-induced-skin-carcinogenesis
#8
Hiroyuki Yamamoto, Joohyun Ryu, Eli Min, Naomi Oi, Ruihua Bai, Tatyana A Zykova, Dong Hoon Yu, Kenji Moriyama, Ann M Bode, Zigang Dong
Tumor necrosis factor receptor-associated factor 1 (TRAF1) is a member of the TRAF protein family, which regulates the canonical and non-canonical NF-κB signaling cascades. Although aberrant TRAF1 expression in tumors has been reported, the role of TRAF1 remains elusive. Here, we report that TRAF1 is required for solar UV-induced skin carcinogenesis. Immunohistochemical analysis revealed that TRAF1 expression is up-regulated in human actinic keratosis (AK) and squamous cell carcinoma (SCC). In vivo studies indicated that TRAF1 expression levels in mouse skin are induced by short-term solar UV irradiation and a long-term skin carcinogenesis study demonstrated that deletion of TRAF1 in mice results in a significant inhibition of skin tumor formation...
January 25, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28130797/influence-of-demographic-and-clinical-characteristics-of-actinic-keratosis-patients-on-illness-perceptions-and-readiness-to-increase-sun-protection-behaviours-an-exploratory-study
#9
Sevgi Akarsu, Ozlem Ozbagcivan, Turna Ilknur, Fatma Semiz, Emel Fetil
BACKGROUND/PURPOSE: There are no data comprehensively investigating the key beliefs and sun-protection behaviours in patients with actinic keratosis (AK). Our aim is to determine and correlate the AK perceptions and readiness to increase sun protection (RISP) behaviours. METHODS: AK patients' (n=200) demographics and clinical findings were recorded. Participants completed questionnaires (Illness Perception Questionnaire-Revised and RISP behaviours scales). RESULTS: The mean scores of giving up sunbathing of the patients aged <65 years, and giving up sunbathing and staying in the shade behaviours of females were higher...
January 28, 2017: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/28130791/photodynamic-therapy-for-dermatologic-conditions-in-the-pediatric-population-a-literature-review
#10
REVIEW
Neha Kumar, Christine B Warren
BACKGROUND: Photodynamic therapy (PDT), using topical aminolevulinic acid (ALA), has been used for years to treat a variety of dermatologic conditions, including actinic keratosis, superficial basal cell carcinoma, and in situ squamous cell carcinoma. While there is a wide range of neoplastic and non-neoplastic skin diseases for which ALA-PDT is used in adults, there is a knowledge gap when it comes to its use in children. This review highlights what is currently known regarding the use and efficacy of this therapy in the pediatric population...
January 28, 2017: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/28114674/influence-of-information-framing-on-patient-decisions-to-treat-actinic-keratosis
#11
Katherine Berry, Melissa Butt, Joslyn S Kirby
Importance: Actinic keratosis (AK) is a skin growth induced by UV light exposure that requires long-term management because a small proportion of the disease can progress to squamous cell carcinoma. The influence of how clinicians frame or present information to patients may affect decision making about AK. Objective: To evaluate the differences in patients' decisions on whether to receive treatment for AK related to information presentation or choice framing. Design, Setting, and Participants: A prospective survey study was performed from June 1 to July 31, 2016, in participants who were able to read English...
January 18, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28107575/spanish-version-of-actinic-keratosis-quality-of-life-questionnaire-akqol
#12
I Alarcon, G R Vinding, K B Christensen, S Esmann, J Malvehy, S Puig, G B E Jemec
BACKGROUND: Patient Reported Outcome Measures are very important outcomes. For specific diseases Health Related Quality of Life-instruments (HRQoL) are increasingly used to provide data on patients' overall perceptions of the course of a given disease. Actinic keratoses (AKs) are common keratotic lesions that occur on chronically sunlight-exposed skin. Only few studies regarding HRQoL in AKs have been made. OBJECTIVE: In order to be able to compare HRQoL among different countries and cultures we aimed to translate and validate the Actinic Keratosis Quality of Life (AKQoL) questionnaire into Spanish and quantify the impairment caused by AKs in Spanish patients...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28105724/intraepidermal-proliferation-of-merkel-cells-within-a-seborrheic-keratosis-merkel-cell-carcinoma-in-situ-or-merkel-cell-hyperplasia
#13
Jeanne McFalls, Lauren Okon, Sarah Cannon, Jason B Lee
Intradepidermal proliferation of Merkel cells without any dermal component has been interpreted as either a hyperplastic process secondary to chronic ultraviolet radiation (UVR) or a neoplastic process, namely, Merkel cell carcinoma (MCC) in-situ. The recent criteria that have been proffered to diagnose MCC in-situ, unfortunately, are identical to those that have been applied to Merkel cell hyperplasia in the past, posing a diagnostic quandary when faced with an intraepidermal proliferation of Merkel cells...
January 20, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28103628/treatment-of-a-vulvar-paget-s-disease-by-photodynamic-therapy-with-a-new-light-emitting-fabric-based-device
#14
Claire Vicentini, Olivier Carpentier, Fabienne Lecomte, Elise Thecua, Laurent Mortier, Serge R Mordon
INTRODUCTION: The non-invasive vulvar Paget's disease is an intra-epidermal carcinoma with glandular characteristics. It appears like an erythematous plaque. The main symptoms are pruritus and pain. The standard treatment is surgical excision in depth. This treatment is complicated with a severe morbidity and photodynamic therapy can be an alternative choice. However, the pain experienced during the photodynamic treatment of vulvar lesion is intense and leads to a premature interruption of the treatment...
January 19, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28101017/efficacy-of-a-film-forming-medical-device-containing-piroxicam-and-sun-filters-in-the-treatment-of-multiple-actinic-keratosis-lesions-in-a-subject-with-a-history-of-kaposi-sarcoma
#15
Elisabetta Scotti, Salvatore Deledda, Massimo Milani
Actinic keratosis (AK) is considered a premalignant form of skin cancer due to chronic sun exposure. In addition, human papilloma virus (HPV) has been advocated a role in the pathogenesis of this clinical condition. HPV proteins (mainly E6 and E7) seem to act synergistically with ultraviolet (UV) radiation in reducing the defensive mechanisms of keratinocyte apoptosis after UV damage. Data regarding the involvement of other viruses, i.e. human herpes viruses (HHV), in the pathogenesis of AK are so far controversial...
September 2016: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28098380/british-association-of-dermatologists-guidelines-for-the-care-of-patients-with-actinic-keratosis-2017
#16
D de Berker, J M McGregor, M F Mohd Mustapa, L S Exton, B R Hughes
No abstract text is available yet for this article.
January 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28093604/pretreatment-with-5-fluorouracil-cream-enhances-the-efficacy-of-daylight-mediated-photodynamic-therapy-for-actinic-keratosis
#17
Christoffer V Nissen, Ida Marie Heerfordt, Stine R Wiegell, Carsten S Mikkelsen, Hans C Wulf
The efficacy of photodynamic therapy (PDT) with methyl aminolevulinate is reduced when treating actinic keratosis (AK) on the extremities in comparison with the face and scalp. Studies indicate that PDT efficacy can be improved by combining PDT with other treatment modalities. This randomized intra-individual study investigated whether pretreatment with topical 5% 5-fluorouracil (5-FU) enhanced the treatment efficacy of daylight-mediated PDT in 24 patients with AKs on the hands. One hand of each patient was given 7 days of pretreatment with 5-FU twice daily before daylight-PDT, whereas the other hand was treated with daylight-PDT alone...
January 17, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28088997/predictors-of-actinic-keratosis-count-in-patients-with-multiple-keratinocyte-carcinomas-a-cross-sectional-study
#18
Julia A Siegel, Adam J Luber, Martin A Weinstock
No abstract text is available yet for this article.
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28078678/a-seamless-phase-i-ii-dose-finding-trial-assessing-ingenol-disoxate-leo-43204-for-field-treatment-of-actinic-keratosis-on-the-scalp
#19
J Weiss, M Ulrich, M Bukhalo, M L Østerdal, B Bang, C W Hanke
BACKGROUND: Actinic keratosis (AK) is a common sun-related skin condition, which can progress to squamous cell carcinoma and occur in cancerised fields. OBJECTIVES: This Phase I/II trial investigated the safety and efficacy of ingenol disoxate as topical field therapy for patients with AK on the balding scalp. METHODS: Part 1 was a Phase I, open-label, dose-escalation trial investigating up to 6 doses of ingenol disoxate to determine the maximum tolerated dose (MTD)...
January 12, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28063524/switching-from-conventional-photodynamic-therapy-to-daylight-photodynamic-therapy-for-actinic-keratoses-systematic-review-and-meta-analysis
#20
A Tomás-Velázquez, P Redondo
Actinic keratosis is a precursor lesion to the most common nonmelanoma skin cancer. Conventional photodynamic therapy (PDT) has been shown to be effective, but the procedure is time-consuming, can be very painful, and requires infrastructure. These shortcomings led to the emergence of daylight PDT. To obtain a global estimate of efficacy, we undertook a systematic literature review and performed a meta-analysis of the available evidence on the efficacy and safety of daylight PDT as compared to conventional PDT in the treatment of actinic keratosis and/or field cancerization...
January 4, 2017: Actas Dermo-sifiliográficas
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