Case Report: Post SARS-CoV2 Infection Erythema Nodosum (preprint)

ABSTRACT

Background: Although, preliminary reports of Post SARS-CoV2 Infection Erythema Nodosum suggest it may be due to dysregulated immune response caused by coronavirus.Case presentation The patient was a 9-year-old boy who referred to the pediatric Rheumatology clinic of Shiraz University of Medical Sciences due to bilateral painful erythematous nodules on his bilateral calves. He reported a history of fever from 4 days before his referral which was followed by erythema, warmth, stiffness, and swelling of his calves. The patient’s father had afflicted COVID-19 two months prior to the incidence. In his course of admission, COVID-19 serology tests were performed for him which was positive for SARS-CoV-2 IgG and negative for SARS-CoV-2 IgM.Conclusion: Another etiologic factor for EN might be coronaviruses such as SARS-CoV-2 which is important to be taken into consideration during the COVID-19 pandemic.