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?:abstract
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COVID-19 diseases have been a nationwide pandemic condition. However, cutaneous, skin histopathological manifestations of COVID-19 infection are not well described. Our study aims are to present heterogeneous cutaneous, histopathological manifestations in COVID-19 patients, to investigate the possible relationship between cutaneous manifestations and histopathological features in COVID-19 infection. We performed a systemic review in PubMed database and Chinese medical journal search engines which were wangfang.data (http://www.wanfangdata.com.cn/), Science China (http://www.cnki.net/) until June 17th, 2020. Search terms \'COVID-19,\' \'SARS-Coronavirus-2\' and \'Coronavirus\' were used in combination with \'cutaneous,\' \'rash,\' \'skin,\' \'dermatology.\' Seventy-five papers were included with confirmed COVID-19 infection. The most frequent cutaneous manifestation of COVID-19 present was erythema, nearly 38.4%. Trunk was the most affected location, presenting in 51.4% patients. Rash occurred before onset of other symptoms was in 5.3% patients. Seventy-seven patients were received treatments. Rash was dismissed in 49% patients, improved in 21.2% patients ranged from 0 to 17 days. The histopathological examination present in 39 patients. Skin is one of target organs affected by COVID-19 infection. Cutaneous manifestations should be paid more attention. It can help doctors diagnose COVID-19 infection in prodromal stage, understand progression, and determine prognosis of COVID-19 infection.
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