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https://www.readbyqxmd.com/read/28532759/5-fluorouracil-for-actinic-keratosis-treatment-and-chemoprevention-a-randomized-controlled-trial
#1
Joanna L Walker, Julia A Siegel, Moniyka Sachar, Hyemin Pomerantz, Suephy C Chen, Susan M Swetter, Robert P Dellavalle, George P Stricklin, Abrar A Qureshi, John J DiGiovanna, Martin A Weinstock
No abstract text is available yet for this article.
June 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28526809/tumor-cell-specific-aim2-regulates-growth-and-invasion-of-cutaneous-squamous-cell-carcinoma
#2
Mehdi Farshchian, Liisa Nissinen, Elina Siljamäki, Pilvi Riihilä, Minna Piipponen, Atte Kivisaari, Markku Kallajoki, Reidar Grénman, Juha Peltonen, Sirkku Peltonen, Koen D Quint, Jan Nico Bouwes Bavinck, Veli-Matti Kähäri
Cutaneous squamous cell carcinoma (cSCC) is the most common metastatic skin cancer. Inflammation is a typical feature in cSCC progression. Analysis of the expression of inflammasome components in cSCC cell lines and normal human epidermal keratinocytes revealed upregulation of the expression of AIM2 mRNA and protein in cSCC cells. Elevated levels of AIM2 mRNA were noted in cSCCs in vivo compared with normal skin. Strong and moderate tumor cell specific expression of AIM2 was detected with immunohistochemistry (IHC) in sporadic human cSCCs in vivo, whereas expression of AIM2 was moderate in cSCC in situ (cSCCIS) and low or absent in actinic keratosis (AK) and normal skin...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524709/pharmacokinetics-of-ingenol-mebutate-gel-under-maximum-use-conditions-in-large-treatment-areas
#3
Alicia D Bucko, Michael Jarratt, Dowling B Stough, Laerke Kyhl, John Villumsen, Anders Hall
PURPOSE: Actinic keratoses (AKs) exist on a continuum with squamous cell carcinoma and can occur as sub-clinical and clinically visible lesions in cancerized fields on sun-damaged skin. Ingenol mebutate effectively treats AKs on areas up to 25 cm(2), but actinic keratosis can affect larger areas of skin. This trial evaluated systemic exposure and safety of ingenol mebutate gel on larger areas of skin under maximum use conditions. METHODS: Phase I, multicenter, open-label, uncontrolled, non-randomized trial...
May 19, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28515993/triage-amalgamated-dermoscopic-algorithm-tada-for-skin-cancer-screening
#4
Tova Rogers, Maria Marino, Stephen W Dusza, Shirin Bajaj, Michael A Marchetti, Ashfaq Marghoob
IMPORTANCE: Dermoscopic triage algorithms have been shown to improve beginners' abilities for identifying pigmented skin lesions requiring biopsy. OBJECTIVE: To estimate the diagnostic accuracy of the Triage Amalgamated Dermoscopic Algorithm (TADA) for pigmented and nonpigmented skin cancers. Secondarily, to compare TADAs performance to those of existing triage algorithms for the identification of pigmented skin cancers. DESIGN: Cross-sectional, observational, reader study that took place at a beginner and intermediate level dermoscopy course...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28512610/melanoma-is-skin-deep-a-3d-reconstruction-technique-for-computerized-dermoscopic-skin-lesion-classification
#5
T Y Satheesha, D Satyanarayana, M N Giri Prasad, Kashyap D Dhruve
Melanoma mortality rates are the highest amongst skin cancer patients. Melanoma is life threating when it grows beyond the dermis of the skin. Hence, depth is an important factor to diagnose melanoma. This paper introduces a non-invasive computerized dermoscopy system that considers the estimated depth of skin lesions for diagnosis. A 3-D skin lesion reconstruction technique using the estimated depth obtained from regular dermoscopic images is presented. On basis of the 3-D reconstruction, depth and 3-D shape features are extracted...
2017: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/28510496/comparison-of-the-treatment-guidelines-for-actinic-keratosis-a-critical-appraisal-and-review
#6
Patrick Fleming, Stephanie Zhou, Robert Bobotsis, Charles Lynde
There are currently several reputable guidelines on the treatment of actinic keratosis (AK) from groups in Canada, the United Kingdom, and Europe. These recommendations, based on evidence or expert consensus, offer clinicians a variety of treatment options for the different clinical presentations of AKs. Although the guidelines are similar in some regards, variations exist in treatment options, duration, and strength of recommendation. Some guidelines also lack input on specific therapies and certain types of AK, such as hypertrophic or thin presentations...
May 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28504403/long-methylaminolaevulinate-application-does-not-increase-clinical-efficacy-of-photodynamic-therapy-in-actinic-keratosis-but-leads-to-collateral-damage
#7
L R Braathen
No abstract text is available yet for this article.
May 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28502083/in-vivo-microvascular-imaging-of-cutaneous-actinic-keratosis-bowen-s-disease-and-squamous-cell-carcinoma-using-dynamic-optical-coherence-tomography
#8
L Themstrup, G Pellacani, J Welzel, J Holmes, G B E Jemec, M Ulrich
BACKGROUND: A clear distinction between actinic keratosis (AK), Bowen's disease (BD) and squamous cell carcinoma (SCC) cannot reliably be made by clinical and dermoscopic evaluation alone. Dynamic optical coherence tomography (D-OCT) is a novel angiographic variant of OCT that allows for non-invasive, in vivo evaluation of the cutaneous microvascular morphology. OBJECTIVE: To investigate the microvascular structures of AK, BD and invasive SCC using D-OCT in order to gain insights into the microvascular morphology of lesions in the spectrum of keratinocyte skin cancers...
May 14, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28489298/a-randomized-double-blind-placebo-controlled-clinical-trial-evaluating-the-role-of-systemic-antihistamine-therapy-for-the-reduction-of-adverse-effects-associated-with-topical-5-aminolevulinic-acid-photodynamic-therapy
#9
Monique J Vanaman Wilson, Isabela T Jones, Douglas C Wu, Mitchel P Goldman
BACKGROUND AND OBJECTIVE: Following photodynamic therapy with 5-aminolevulinic acid (ALA-PDT), patients experience inflammation that may be partially attributable to H1 histamine receptor activation. The objective of this study was to evaluate the impact of antihistamines upon adverse effects following ALA-PDT. STUDY DESIGN/MATERIALS AND METHODS: This was a randomized, placebo-controlled clinical trial conducted at a single study site. Twenty subjects with facial actinic keratoses were randomized to ALA-PDT plus cetirizine 10 mg (n = 10) versus placebo daily (n = 10) from 3 days pre-treatment to 3 days post-treatment for a total of 7 days...
May 10, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28488240/erratum-to-increasing-frequency-of-seborrheic-keratosis-diagnoses-as-a-favorable-consequence-of-teledermatology-based-skin-cancer-screening-a-cross-sectional-study-of-34-553-patients
#10
David Moreno-Ramírez, Jesús Raya-Maldonado, Macarena Morales-Conde, Teresa Ojeda-Vila, Francisco J Martín-Gutiérrez, Andrés Ruíz-de-Casas, Almudena Fernández-Orland, Juan M Herrerías-Esteban, Lara Ferrándiz
No abstract text is available yet for this article.
May 9, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28475506/clonal-seborrheic-keratosis-versus-pagetoid-bowen-disease-histopathology-and-role-of-adjunctive-markers
#11
Inchara Yeliur Kalegowda, Almut Böer-Auer
Clonal seborrheic keratosis (CSK) and pagetoid Bowen disease (squamous cell carcinoma in situ) (PBD) share similar histological features making it sometimes difficult to differentiate the 2. The study group included 29 and 13 cases of CSK and PBD, respectively. Both groups were examined histopathologically (suprabasal mitotic figures, broad rete ridges, crowding of nuclei, nuclear pleomorphism, necrotic keratinocytes, parakeratosis, and dermal inflammation) and immunohistochemically (CK10, Ki-67, and p16). P values for all parameters were calculated using Fisher exact test, 2 tailed...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28468736/prevention-of-non-melanoma-skin-cancers-with-nicotinamide-in-transplant-recipients-a-case-control-study
#12
Francesco Drago, Giulia Ciccarese, Ludovica Cogorno, Camillo Calvi, Luigina A Marsano, Aurora Parodi
Nicotinamide is the precursor of nicotinamide adenine dinucleotide (NAD+), an essential cofactor for adenosine triphosphate (ATP) production. It has recently been reported to be effective in reducing the rates of new non-melanoma skin cancers (NMSCs) and actinic keratosis (AKs). We studied the efficacy of oral nicotinamide as treatment for AKs in transplant recipients. We recruited 38 transplant (eight liver and 30 kidney) patients with single or multiple AKs. Nineteen patients were randomly assigned to Group 1 and took nicotinamide 500 mg/daily (cases); the other 19 patients were randomly assigned to Group 2 without nicotinamide (controls)...
May 3, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28468734/porocarcinoma-with-hidroacanthoma-simplex-like-features-in-association-with-seborrheic-keratosis
#13
Keiko Miura, Takeshi Namiki, Yuki Otsuki, Hiroo Yokozeki
No abstract text is available yet for this article.
May 3, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28465868/red-dot-basal-cell-carcinoma-report-of-cases-and-review-of-this-unique-presentation-of-basal-cell-carcinoma
#14
Philip R Cohen
Red dot basal cell carcinoma is a unique variant of basal cell carcinoma. Including the three patients described in this report, red dot basal cell carcinoma has only been described in seven individuals. This paper describes the features of two males and one female with red dot basal cell carcinoma and reviews the characteristics of other patients with this clinical subtype of basal cell carcinoma. A 70-year-old male developed a pearly-colored papule with a red dot in the center on his nasal tip. A 71-year-old male developed a red dot surrounded by a flesh-colored papule on his left nostril...
March 22, 2017: Curēus
https://www.readbyqxmd.com/read/28449867/cost-effectiveness-of-ingenol-mebutate-gel-for-the-treatment-of-actinic-keratosis-in-greece
#15
Kostas Athanasakis, Nadia Boubouchairopoulou, Filippos Tarantilis, Vasiliki Tsiantou, Stathis Kontodimas, John Kyriopoulos
PURPOSE: The present study aimed to perform a cost-effectiveness analysis of ingenol mebutate (IM) versus other topical alternatives for the treatment of actinic keratosis (AK). METHODS: The analysis used a decision tree to calculate the clinical effects and costs of AK first-line treatments, IM (2-3 days), diclofenac 3% (for 8 or 12 weeks), imiquimod 5% (for 4 or 8 weeks), during a 24-month horizon, using discrete intervals of 6 months. A hypothetical cohort of immunocompetent adult patients with clinically confirmed AK on the face and scalp or trunk and extremities was considered...
April 24, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28448101/actinic-keratosis-a-chronic-progressive-disease-understanding-clinical-gaps-to-optimise-patient-management
#16
Rino Cerio, Thomas Dirschka, Brigitte Dréno, Ignasi Figueras Nart, John T Lear, Giovanni Pellacani, Ketty Peris, Andrés Ruiz de Casas
No abstract text is available yet for this article.
April 27, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28447350/dermoscopy-pathology-relationship-in-seborrheic-keratosis
#17
REVIEW
Akane Minagawa
Making a definitive diagnosis of seborrheic keratosis (SK) can be challenging for the naked eye due to its wide variation in clinical features. Fortunately, however, most cases of SK exhibit the typical dermoscopic findings of fissures and ridges, hairpin vessels with white halo, comedo-like openings, and milia-like cysts, all of which are helpful to distinguish SK from melanoma, melanocytic nevus, squamous cell carcinoma, basal cell carcinoma (BCC) and other skin tumors. Histopathologically, these dermoscopic characteristics correspond to papillomatous surface of the epidermis, enlarged capillaries of the dermal papillae, pseudohorn cysts in the epidermis opened to the surface of the lesion and intraepidermal cysts, respectively...
May 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28444443/-new-approaches-for-the-prevention-of-actinic-keratosis
#18
REVIEW
H Stege, J Krutmann
Actinic keratosis is one of the most common skin diseases. Because of the ongoing demographic changes, it is anticipated that the incidence will further increase. Prevention of actinic keratoses is thus of great importance. By far the most important cause of actinic keratoses is the chronic cumulative irradiation of human skin with ultraviolet B and A radiation from natural sunlight. There is no doubt that use of sunscreens is effective in preventing actinic keratoses. Recent studies indicate that in high-risk groups the regular use of medical devices which are characterized by a very high SPF and which contain liposomally encapsulated DNA repair enzymes are effective in preventing the development of new actinic keratoses even when field cancerization is already present in human skin...
May 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28443310/keratosis-lichenoides-chronica-successfully-treated-with-isotretinoin-and-methotrexate
#19
Alvin W Li, William Damsky, Brett A King
No abstract text is available yet for this article.
May 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28427916/-actinic-keratosis-new-concept-and-therapeutic-update
#20
Rafael Carmena-Ramón, Almudena Mateu-Puchades, Sergio Santos-Alarcón, Sofía Lucas-Truyols
Actinic keratosis (AK) is a common reason for consultation in both Primary Care and Specialised Care. It is the third or fourth most common reason for consultation in dermatology, accounting for up to 5-6% of patients attended. It has also been observed that its prevalence has been increasing in the last 10years, compared to other dermatoses. This is also expected to continue to increase due to longer life expectancy, and by the changes in sun exposure habits since the middle of the last century. The aim of this article is to update the concepts of AK, cancerisation field and to present the currently available therapeutic tools...
April 17, 2017: Atencion Primaria
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