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https://www.readbyqxmd.com/read/28636260/lichenoid-keratosis-is-frequently-misdiagnosed-as-basal-cell-carcinoma
#1
D Maor, C Ondhia, L L Yu, J J Chan
Lichenoid keratosis (LK), also known as benign lichenoid keratosis or lichen planus-like keratosis, is a solitary, pink to red-brown scaly plaque representing a host immunological response to a variety of precursor lesions. LK is often misdiagnosed as a dermatological malignancy owing to its clinical resemblance to basal cell carcinoma (BCC) or Bowen disease. We performed a retrospective analysis of the pathology records of a series of LK lesions with reference to the demographic features and accuracy of clinical diagnosis...
June 21, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28628679/safety-and-efficacy-of-escalating-doses-of-ingenol-mebutate-for-field-treatment-of-actinic-keratosis-on-the-full-face-full-balding-scalp-or-chest
#2
C William Hanke, Brian Berman, Neil Swanson, David M Pariser, Jonathan S Weiss, Michael Bukhalo, Torsten Skov, John Villumsen, Daniel Siegel
<p>Background: Actinic keratosis (AK) can affect large skin areas. Ingenol mebutate (IngMeb) gel (0.015% and 0.05%) is approved for topical treatment of AK in a single contiguous area of ~25 cm2.</p> <p>Objective: The study sought to determine the maximum tolerated dose (MTD), efficacy, and tolerability of IngMeb applied to AK on a contiguous area less than equal to 250 cm2.</p> <p>Methods: Part 1 determined the MTD of IngMeb at 7 concentrations for 2 or 3 days. Part 2 assessed efficacy and tolerability at the MTD and one dose lower for 2 or 3 days vs vehicle...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28628678/assessment-of-efficacy-and-irritation-of-ingenol-mebutate-gel-0-015-used-with-or-without-dimethicone-lotion-for-treatment-of-actinic-keratosis-on-the-face
#3
Shelbi C Jim On, Peter W Hashim, John K Nia, Mark G Lebwohl
<p>Background: Ingenol mebutate gel 0.015% provides high clearance rates for actinic keratosis (AK) on the face and scalp but causes transient local skin responses (LSRs).</p> <p>Objective: This study sought to determine whether the application of 1% dimethicone would decrease ingenol mebutate-associated LSRs and/or affect efficacy during the treatment of multiple AKs on the face.</p> <p>Methods: Ingenol mebutate gel 0.015% was applied for 3 days to two 25 cm2 areas, each containing 3 to 8 AKs on the face of each subject, followed by application of 1% dimethicone lotion in an investigator-blinded manner to one randomly selected AK-containing area until LSRs were no longer present...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28627087/familial-seborrhoeic-keratosis-associated-with-multiple-pure-reticulated-acanthomas-and-infundibulocystic-basal-cell-carcinomas
#4
J Agustí, R Bella-Navarro, A B García-García, E Bueno, R González-Sarmiento, L Navarro, B Sanchez-Sendra, A Revert, E Jordá, C Monteagudo
BACKGROUND: A variety of genodermatoses with multiple cutaneous tumors with germline genetic alterations such as Gorlin syndrome with PTCH1 gene mutations have been described. Other cutaneous syndromes have been associated with somatic gene mutations, such as FGFR3 in familial seborrhoeic keratosis. OBJECTIVE: We describe the clinical, dermoscopic, and histopathological features of multiple cutaneous lesions, mostly infundibulocystic basal cell carcinomas and pure reticulated acanthomas, present in a family affected by familial seborrhoeic keratosis...
June 18, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28624591/safe-limit-of-arsenic-in-soil-in-relation-to-dietary-exposure-of-arsenicosis-patients-from-malda-district-west-bengal-a-case-study
#5
Debasis Golui, D N Guha Mazumder, S K Sanyal, S P Datta, P Ray, P K Patra, S Sarkar, K Bhattacharya
Safe limit of arsenic in soil in relation to dietary exposure of arsenicosis patients was established in Malda district of West Bengal. Out of 182 participants examined, 80 (43.9%) participants showed clinical features of arsenicosis, characterized by arsenical skin lesion (pigmentation and keratosis), while 102 participants did not have any such lesion (control). Experimental results of the twenty eight soils (own field) of the participants showed the mean Olsen extractable and total arsenic concentration of 0...
June 15, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28595997/hpv8-field-cancerization-in-a-transgenic-mouse-model-is-due-to-lrig1-keratinocyte-stem-cell-expansion
#6
Simone Lanfredini, Carlotta Olivero, Cinzia Borgogna, Federica Calati, Kathryn Powell, Kelli-Jo Davies, Marco De Andrea, Sarah Harries, Hiu Kwan Carolyn Tang, Herbert Pfister, Marisa Gariglio, Girish K Patel
β-HPV cause near ubiquitous latent skin infection within long-lived hair follicle keratinocyte stem cells (HF KSC). In patients with epidermodysplasia verruciformis (EV), β-HPV viral replication is associated with skin keratosis and cutaneous squamous cell carcinoma (SCC). To determine the role of HF KSC in β-HPV induced skin carcinogenesis, we utilized a transgenic mouse model in which the keratin 14 promoter drives expression of the entire HPV8 early region (HPV8tg). HPV8tg mice developed thicker skin in comparison to wild type littermates consistent with a hyperproliferative epidermis...
June 5, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28589622/cutaneous-malignancies-simulating-seborrheic-keratoses-an-underappreciated-phenomenon
#7
Tiffany Y Chen, Annie O Morrison, Clay J Cockerell
BACKGROUND: Seborrheic keratosis (SK), a common and benign entity, is generally diagnosed clinically without the need for a biopsy. Given their variable appearance, SK may mimic cancer clinically and require biopsy for clinically equivocal cases. A clinician may also choose to perform biopsies on SK based on other circumstances, such as cosmetic reasons, or SK being in an inconvenient and irritative location. METHODS: Dermatopathology samples from 2015 obtained from private and university locations were retrospectively assessed...
June 7, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28585294/ichthyosis-fetalis-in-a-cross-bred-lamb
#8
Antonio Carlos Lopes Câmara, Pedro Augusto Cordeiro Borges, Silvano Alves Paiva, Felipe Pierezan, Benito Soto-Blanco
BACKGROUND: Ichthyosis is a dermatological disease characterized by varying degrees of generalized hyperkeratosis and alopecia. Two congenital forms of ichthyosis are recognized in animals: fetalis (IF) and congenita. The disease occurs rarely in cattle, swine, dogs, chickens and a goat; it has not been reported in sheep. HYPOTHESIS/OBJECTIVES: To provide clinical, laboratory and pathological assessments of a case of IF in a cross-bred lamb. ANIMALS: A male cross-bred lamb...
June 5, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28584619/clinical-efficacy-and-safety-of-methotrexate-versus-hydroxychloroquine-in-preventing-lichen-planopilaris-progress-a-randomized-clinical-trial
#9
Farahnaz Fatemi Naeini, Mina Saber, Ali Asilian, Sayed Mohsen Hosseini
BACKGROUND: Lichen planopilaris is an inflammatory cicatricial alopecia, and its management is a challenge for dermatologists. We aimed to compare the efficacy of methotrexate and hydroxychloroquine on refractory lichen planopilaris. METHODS: In a randomized clinical trial, 29 patients were randomly allocated to receive either 15 mg methotrexate/week or 200 mg hydroxychloroquine twice a day for 6 months. Side effects, symptoms/signs, and laboratory tests were assessed periodically...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28581227/field-treatment-of-actinic-keratosis-on-the-scalp
#10
C Bower
No abstract text is available yet for this article.
June 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28578364/xeroderma-pigmentosum-at-a-tertiary-care-center-in-saudi-arabia
#11
Lenah Alwatban, Yousef Binamer
BACKGROUND: Xeroderma pigmentosum (XP) is a rare autosomal recessive disorder caused by defective DNA repair that results in extreme sensitivity to ultraviolet (UV) rays. Depending on the type of XP, the disease may affect the skin, eyes and nervous system. OBJECTIVES: Describe the dermatologic manifestations in patients suffering from XP. DESIGN: Retrospective, descriptive review of medical records. SETTING: Dermatology clinic at tertiary care center in Riyadh...
May 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28563677/forearm-skin-aging-characterization-by-instrumental-measurements
#12
Prs Carvalho, J M Sumita, J L M Soares, Sanudo A, Bagatin E
The intrinsic aging and photoaged skin presents biomechanical and morphological differences, which are reflected in the appearance of roughness, superficial and deep wrinkles, atrophy, reduced elasticity, hypo and hyperpigmentation and actinic keratosis OBJECTIVE: To evaluate and compare the characteristics of the flexor (with a predominance of intrinsic aging) and extensor (chronically exposed to sunlight and other environmental factors, with a predominance of photoaging) skin surfaces of the forearms METHODS: Interventional, prospective, diagnostic study, including 23 females, aged over 60 years...
May 31, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28562558/clinicopathological-parameters-associated-with-histological-background-and-recurrence-after-surgical-intervention-of-vocal-cord-leukoplakia
#13
Weixin Cui, Wen Xu, Qingwen Yang, Rong Hu
Histological examination of biopsy shows usefulness in the diagnosis of vocal cord leukoplakia; however, in considerable amount of cases, the examination cannot provide definitive diagnosis of malignancy from benign conditions such as hyperplasia and dysplasia. The present work therefore was aimed to identify clinicopathological factors and molecular markers predictive of recurrence and malignant transformation of vocal cord leukoplakia.Clinical data of 555 cases of vocal cord leukoplakia enrolled from July 1999 to June 2014 were analyzed...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28562437/use-of-skin-biopsies-among-dermatologists
#14
David A Weinstein, Sasank Konda, Brett M Coldiron
BACKGROUND: Skin biopsies are essential to establish a diagnosis in many skin diseases. Utilization has been increasing rapidly and represents a significant health care cost. There are no benchmarks or baselines to guide the practice of skin biopsies. OBJECTIVE: To create a reference data set of biopsy behavior among dermatologists. METHODS: Five hundred eighty-eight dermatologists belonging to the American Dermatological Association (ADA) were surveyed...
May 25, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28562195/mhealth-app-for-risk-assessment-of-pigmented-and-nonpigmented-skin-lesions-a-study-on-sensitivity-and-specificity-in-detecting-malignancy
#15
Monique Thissen, Andreea Udrea, Michelle Hacking, Tanja von Braunmuehl, Thomas Ruzicka
BACKGROUND: With the advent of smartphone devices, an increasing number of mHealth applications that target melanoma identification have been developed, but none addresses the general context of melanoma and nonmelanoma skin cancer identification. INTRODUCTION: In this study a smartphone application using fractal and classical image analysis for the risk assessment of skin lesions is systematically evaluated to determine its sensitivity and specificity in the diagnosis of melanoma and nonmelanoma skin cancer along with actinic keratosis and Bowen's disease...
May 31, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28556349/actinic-keratosis-or-maybe-not
#16
D M Caruana, J Millar, C May, D Bilsland
No abstract text is available yet for this article.
May 29, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28553130/patient-satisfaction-and-reported-outcomes-on-the-management-of-actinic-keratosis
#17
REVIEW
Raveena Khanna, Anshika Bakshi, Yasmin Amir, Gary Goldenberg
Actinic keratosis (AK) is a common dermatologic condition in which hyperplastic epidermal lesions develop in response to excessive and chronic exposure to ultraviolet (UV) radiation. If left untreated, AK can progress to squamous cell carcinomas of the skin. Incidence is rising worldwide as a result of the progressive aging of populations and an increase in lifetime cumulative exposure to UV radiation. Currently, various treatment options exist, which range from topical medications to light-based therapies and procedural modalities...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28543586/multiple-skin-cancers-in-patients-with-mycosis-fungoides-after-long-term-ultraviolet-phototherapy
#18
K Imafuku, H Hata, T Yanagi, S Kitamura, Y Inamura-Takashima, M Nishimura, S Kitamura, S Moriwaki, H Shimizu
Phototherapy is a useful noninvasive therapy, but it can induce cutaneous malignant tumours, including squamous cell carcinoma (SCC) and basal cell carcinoma (BCC). We report on a 79-year-old man who had long-standing mycosis fungoides for 40 years, which had been treated with psoralen ultraviolet A therapy for 37 years at a dose of approximately 5000 J/cm(2) . Approximately 6 years before presentation, numerous types of cutaneous malignancies, including actinic keratosis, BCC and SCC, had begun to develop all over the patient's body...
July 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28543532/intraepidermal-merkel-cell-carcinoma-a-case-series-of-a-rare-entity-with-clinical-follow-up
#19
George Jour, Phyu P Aung, Eduardo Rozas-Muñoz, Johnathan L Curry, Victor Prieto, Doina Ivan
BACKGROUND: Merkel cell carcinoma (MCC) is a rare but aggressive cutaneous carcinoma. MCC involves typically dermis and although epidermotropism has been reported, MCC strictly intraepidermal or in situ (MCCIS) is exceedingly rare. Most of the cases of MCCIS described so far have associated other lesions, such as squamous or basal cell carcinoma, actinic keratosis, etc. Herein, we describe three patients with MCC strictly in situ, without a dermal component. METHODS: Our patients were elderly, two of the lesions involved the head and neck area and one was on a finger...
May 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28541873/an-unusual-presentation-of-seborrheic-keratoses-in-a-man-with-hereditary-hemochromatosis
#20
Tiffany Y Loh, Philip R Cohen
Hereditary hemochromatosis is an autosomal recessive disorder that disturbs iron metabolism and results in iron deposition throughout the body. Iron accumulation in various organs may cause a wide range of systemic symptoms and cutaneous manifestations of the disease are particularly striking. Classically, hereditary hemochromatosis has been termed "bronze diabetes." Although diffuse hyperpigmentation is a well-described feature of this disease, other cutaneous symptoms may also occur, and a variety of anomalies may be observed...
April 15, 2017: Dermatology Online Journal
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