Erythema nodosum (EN) is a common panniculitis characterized by tender erythematous nodules predominantly on the pretibial area and represents a hypersensitivity reaction to multiple triggers. COVID19 infection and vaccination have been associated with EN in the adult population. We report a pediatric case of EN following COVID19 infection and review the literature on COVID19 infection and COVID19 immunization-related EN.

中文翻译：

---

与 COVID19 感染相关的结节性红斑：儿科病例报告和文献复习

结节性红斑 (EN) 是一种常见的脂膜炎，其特征是主要位于胫前区域的压痛性红斑结节，代表对多种触发因素的超敏反应。COVID19 感染和疫苗接种与成人 EN 相关。我们报告了 COVID19 感染后 EN 的儿科病例，并回顾了有关 COVID19 感染和 COVID19 免疫相关 EN 的文献。