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Revista alergia México
versión On-line ISSN 2448-9190
Resumen
ORTEGA-LOPEZ, María Claudia. Skin and SARS-CoV-2 in pediatrics. Rev. alerg. Méx. [online]. 2022, vol.69, n.1, pp.14-20. Epub 17-Feb-2023. ISSN 2448-9190. https://doi.org/10.29262/ram.v69i1.1000.
The clinical presentation, disease course, and outcome of SARS-CoV-2 infection in pediatrics differ from the presentation in adults. In a review by Hoang et al., the prevalence of dermatological manifestations was estimated in 0.25% of a total of 2,445 children with confirmed COVID-19. Similarly, the prevalence of skin manifestations was reported in 3% of 100 children in the Parri’s study. A systematic review by Shah et al. analyzed 13 studies with 149 children who met eligibility criteria. The acral erythematous maculopapular lesion was the most common, as well as erythema multiforme, varicella rash, and presentations similar to Kawasaki disease. The duration of the skin lesion was one to two weeks in 43%. Skin biopsy of 18 cases complete superficial and deep perivascular and paracrine lymphocytic infiltrate and lymphocytic vasculitis were reported. RT-PCR was positive in 13.8 % of the cases. The serological markers of herpes simplex virus and parvovirus B19 analyzed were negative, except for Mycoplasma pneumoniae in two of 20 cases. The pathophysiological mechanism of skin lesions secondary to SARS-CoV-2 infection has not yet been explained; likely to be a combination of one or more complex mechanisms, direct skin damages induced by the virus, vasculitis-like reactions either indirect or secondary injuries as a consequence of a systemic inflammatory reaction. Publications from years 2019 to 2021 are reviewed in PubMed as the main search source, using key words.
Palabras llave : Skin; Pernio erythema; SARS-CoV-2; Vasculitis; Interleukins.