In this study, the main causes of alopecia in children were acquired and non-scarring alopecia. In our results, the type of alopecia varies according to age group. Some types of childhood alopecia showed a close correlation to psychiatric disorders.
5 mm ofdiameter) was determined. Results: Mean AMN number per person was 32.7 (95% confidence interval (CI) 30.7-42.3) in males and 29 (95% CI 271-38.6) in females (p =NS). Males had a higher number of AMN in the face, neck and trunk. Females had a higher number of AMN in the upper and lower limbs. Older children, adolescents with history of sunburns and with lighter skin had a higher number of total, small and large nevi. Conclusions: The average number ofAMNfound in this study is similar to that reported in the literature. The differences in site distribution between males and femalesmay be explainedby a differentsun exposurepattern]]>
Obesity is a growing global health problem; it may even be one of the worst public health issues. In Chile, 34.4% of the population is obese, therefore, is it important for clinicians to be aware of all the consequences of obesity. In this review, we will address the relation of four main dermatologic conditions with obesity: psoriasis, hidradenitis suppurativa, acanthosis nigricans and malignant melanoma. Material and methods: Search in pubmed for obesity and psoriasis, hidradenitis suppurativa, acanthosis nigricans and malignant melanoma. Results: Obesity has a direct impact in the prevalence and severity of psoriasis, hidradenitis suppurativa, acanthosis nigricans. The reduction on body weight has proven to reduce severity of psoriasis and hidradenitis suppurativa. Obese patients with psoriasis have a higher risk on adverse effects due to medication and less effectiveness of biological medications. Acanthosis nigricans is a clinical indicator of insulin resistance and a risk predictor for those with greater risk to develop diabetes in the future. The relationship between obesity and malignant melanoma is not clear and needs further research. Conclusion: Obesity is increasing, dermatologist will face this condition more frequently, it has a great impact over psoriasis, hidradenitis suppurativa, acanthosis nigricans and malignant melanoma, thus it should be considered in treatment decisions.
Introduction: The first case of infection by the virus SARS-CoV-2 was reported in China in the late 2019. The disease caused by this virus was called COVID-19 and was declared as a global pandemic by World Health Organization in March 2020. Among the consequences caused by the virus, some dermatological pathologies have been reported, such as Telogen effluvium (TE). In this review we will address the relation between Telogen effluvium and COVID-19. Material and methods: All literature related to Telogen effluvium and COVID-19 was searched in PubMed. Results: Since the beginning of the pandemic, the number of patients diagnosed with TE has increased. This is explained on one hand by the infection itself of the virus, generating a proinflammatory and procoagulant answer that lead to TE. On the other hand, it can be explained due to the stress caused by the lockdowns and the psychological consequences of a global pandemic. Also, the therapies used to treat the infection may increase the severity of the TE. The relation between TE and Covid-19 is not totally clear yet, but it is important due to the great impact that generates in the lives of the patients.
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