Background Social networks have become a means for disseminating information on health‐related matters. Objective Describe the characteristics and analyze the accuracy of the dermatology content that is most often shared on the most popular social networks. Materials and methods The content most often shared on social networks (Facebook, Pinterest, Twitter, and Reddit) between March 2019 and March 2020 was analyzed using the keywords: acne, alopecia/hair loss, psoriasis, eczema, melanoma, skin cancer, rash, and rosacea. The total number of interactions, skin disease, topic, and origin was collected from each of the records. The content was analyzed and was categorized as precise, confusing, or imprecise based on the scientific evidence available. Results A total of 385 websites were included. About 44.7% of the shared content was rated as imprecise, 20% as confusing, and 35.3% as precise. The records classified as imprecise obtained a higher mean number of interactions (P < 0.05). No differences were found in terms of the level of certainty and the dermatosis studied, whereas they did exist in relation to their topic and origin (P < 0.001). Of the contents classified as imprecise, the most frequent topic and origin were "alternative medicines" and "individual opinions, articles not affiliated with health institutions, nor peer reviewed," respectively. Conclusions The majority of the contents often shared on social networks are below acceptable quality standards. Strategies are needed to discredit imprecise information and promote the dissemination of evidence‐based dermatology information.
Incidental skin cancer diagnosed in routine dermatology consultations represents a significant proportion of the total diagnosed. This study contributes to current strategies to improve early diagnosis of cancer, by highlighting factors that can trigger or act as barriers to skin cancer detection and seeking consultation. Incidental skin cancer appears to be related to both patient and tumour characteristics, with symptoms, time of evolution, family history of skin cancer, sex and living alone being the major contributors to patients taking notice of any changes or newly appearing skin lesions.In the absence of guidelines recommending routine total-body skin examination, patient concern remains the main factor in seeking consultation regarding suspicion of skin cancer. This study explores gaps in patients' understanding of malignant skin lesions, through the factors associated with incidental skin cancer. Included patients had a confirm ed histological diagnosis of basal cell carci noma, squamous cell carcinoma or melanoma. Tumour characteristics, patient demographics and other risk factors related to the development of skin cancer were obtained from each participant. The main measure was incidental skin cancer detection, using both binary logistic regression and Chi-squared Automatic Interaction Detection (CHAID) algorithm. Of the total tumours, 26.6% were detected incidentally. The following variables: male sex, living alone, long-axis diameter, tumour location, symptoms and time of disease evolution were independent predictors of incidental skin cancer. According to the CHAID algorithm, the most significant risk factor for incidental skin cancer was the absence of symptoms at diagnosis.
Background: Alternative metrics are emerging scores to assess the impact of research beyond the academic environment.Objective: To analyse whether a correlation exists between manuscript characteristics and alternative citation metrics.
Verruciform xanthoma are clinically isolated lesions with a low incidence rate of concomitant hyperlipidaemia, but has been described to be associated with other conditions incuding congenital hemidysplasia with ichthyosiform erythroderma and limb defects (CHILD), recessive dystrophic epidermolysis bullosa, keratitis-ichthyosis-deafness syndrome, epidermal naevus syndrome or human immunodeficiency virus infection. We found only three cases with concomitant skin diseases without an inheritance syndrome. One of these patients was a 44-year-old healthy man with a lesion occurring in an epidermal cyst. There are a few published reports of crateriform verruciform xanthoma or cystic verruciform xanthoma. 8,9 A second patient, a 35-year-old healthy man, had an erythematous papule on the scrotum since childhood. He also complained of fissures on the either side of the scrotum. Histopathology showed marked acanthosis with extensive acantholysis, neutrophilic exocytosis, foamy histiocytes in the papillary dermis and mononuclear cell and neutrophils in the dermis, which is compatible with Hailey-Hailey disease. The third patient, an 82-year-old male had a condyloma accuminatum, though the HPV DNA test was not performed. This study's limitation is that all the cases were from a tertiary hospital and lacked a direct molecular-biologybased analysis. However, elderly Taiwanese men appear to have a higher risk of genital predominance of verruciform xanthoma, and the role of androgen and androgen receptor may be crucial.
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