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Liquid nitrogen for the treatment of actinic keratosis: A longitudinal assessment
(Elsevier B.V., 2014-08-01)
Cryosurgery with liquid nitrogen is one of the most used treatments for actinic keratosis. We aimed to study the effectiveness of two consecutive sessions of cryosurgery for actinic keratosis and investigate factors ...
Retinoids for prevention and treatment of actinic keratosis
(Soc Brasileira Dermatologia, 2013-07-01)
Actinic keratosis is a common cause of dermatological consultations and it presents a strong association with squamous cell carcinoma. Many substances are used for treatment and prevention, such as retinoids. Nevertheless, ...
Oral acetylsalicylic acid and prevalence of actinic keratosis
(Associação Médica Brasileira, 2014-03-01)
Objective: To investigate the influence of a regular oral use of acetylsalicylic acid in the prevalence of actinic keratosis.Methods: A case-control study with dermatologic outpatients above 50 years of age assessed between ...
The reliability of counting actinic keratosis
(2013-09-18)
Many epidemiological studies and clinical trials have been performed concerning actinic keratoses. The most eligible endpoint in the majority of articles is counting of actinic keratoses before and after treatments, ...
Randomized controlled trial for evaluation of efficacy and pain during photodynamic therapy for actinic keratosis of face and scalp comparing two irradiation protocols
(2022-03-01)
Background: Pain is a frequent adverse event during photodynamic therapy, which can limit treatment acceptance. This study aimed to evaluate the efficacy and pain during photodynamic therapy with two irradiation protocols ...
Contribution to characterization of skin field cancerization activity: morphometric, chromatin texture, proliferation, and apoptosis aspects
(Soc Brasileira Dermatologia, 2019-11-01)
Background: A skin field cancerization is a cutaneous area with subclinical changes resultant from chronic sun exposure, with a higher predisposition to development of pre-neoplastic and neoplastic lesions. So far, there ...
Genomic instability in human actinic keratosis and squamous cell carcinoma
(Faculdade de Medicina / USP, 2011)
OBJECTIVE: To compare the repetitive DNA patterns of human actinic keratoses and squamous cell carcinomas to determine the genetic alterations that are associated with malignant transformation. INTRODUCTION: Cancer cells ...
Impact of VDR and RXR expression in non-melanoma skin cancer pathogenesis
(2022-01-01)
1,25(OH)2D3, the active form of vitamin D, has been extensively studied for its putative protective activities against tumors. It does biological work by connecting to a nuclear receptor called VDR, which heterodimerizes ...
Retinoids for prevention and treatment of actinic keratosis
(Sociedade Brasileira de Dermatologia, 2013-08-01)
Actinic keratosis is a common cause of dermatological consultations and it presents a strong association with squamous cell carcinoma. Many substances are used for treatment and prevention, such as retinoids. Nevertheless, ...
Actinic keratosis: a clinical and epidemiological revision
(Sociedade Brasileira de Dermatologia, 2012-06-01)
Queratoses actínicas são neoplasias benignas intraepiteliais formadas por proliferações atípicas de queratinócitos com potencial de transformação em carcinoma espinocelular. Desenvolvem-se em áreas fotoexpostas da pele, ...