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BackgroundIn recent years, YouTube has become a recognized source of medical information for health care consumers. Although YouTube has advantages in this context, there are potential dangers as videos may contain nonscientific, misleading, or even harmful information. ObjectiveAs little is known about YouTube as a source of information on atopic dermatitis (AD), we investigated the content-related quality of AD videos and their perception among YouTube users. MethodsThe quality of the 100 most viewed AD videos was assessed by using the Global Quality Scale (GQS) and the DISCERN instrument. Videos were classified as “useful,” “misleading,” and “potentially harmful,” and the correlations of viewers’ ratings (likes) with the GQS and DISCERN scores were assessed. ResultsAmong the 100 videos, 68.0% (68/100) and 62.0% (62/100) were of poor and very poor scientific quality, respectively. Additionally, 32.0% (32/100) of the videos were classified as useful, 48.0% (48/100) were classified as misleading, and 34.0% (34/100) were classified as potentially harmful. Viewers’ ratings did not correlate with the GQS and DISCERN scores. Overall, 50.0% (50/100) of the videos were posted by private individuals and promoters of complementary/alternative treatments, 42.0% (42/100) by therapeutical advertisers, and only 8.0% (8/100) by nonprofit organizations/universities. ConclusionsOur study demonstrated that two-thirds of the videos analyzed were below acceptable medical quality standards and that many videos were disseminating misleading or even dangerous content. Subjective and anecdotal content was overrepresented, and viewers did not appear to be able to distinguish between high- and low-quality videos. Health promotion strategies by professional medical organizations are needed to improve their presence and visibility on YouTube.

A 4-year-old boy presented with blistering on his face and distal upper and lower extremities. Subepidermal blisters containing neutrophils and eosinophils visualized on histology supported the diagnosis of linear IgA bullous dermatosis of childhood (LABDC). The dermatosis presents with vesicles and tense blisters in an annular distribution, erythematous papules, and/or excoriated plaques. Histopathology shows subepidermal blisters with a neutrophilic infiltrate in the dermis, mainly concentrated at the tips of dermal papillae in the early stage of the disease, which can be mistaken for the pattern of neutrophilic infiltration as seen in dermatitis herpetiformis. Dapsone is the treatment of choice, which is started at a dosage of 0.5mg/kg/day. Linear IgA bullous dermatosis of childhood is a rare autoimmune disease that can be mistaken for other conditions with similar presentations but should always be considered in the differential diagnosis of children with blistering.

It is approved for the treatment of metastatic renal cell carcinoma and advanced soft tissue sarcoma.1 Skin reactions are among the most common adverse effects of kinase inhibitors. After extensive treatment including surgery and radiation, he started systemic treatment with Pazopanib in April 2019, about 4 weeks prior to the occurrence of dermatologic side effects. [Extracted from the article]