COVID-associated non-vasculitic thrombotic retiform purpura of the face and extremities: A case report.
Connor M BunchNuha ZackariyaAnthony V ThomasJack H LangfordMichael AboukhaledSamuel J ThomasAida AnsariShivani S PatelHallie BucknerJoseph B MillerChristy L AnnisMargaret A Quate-OperaczLeslie A SchmitzJoseph J PulvirentiJonathan C KonopinskiKathleen M KelleySamer HassnaLuke G NelliganMark M WalshPublished in: Clinical case reports (2022)
SARS-CoV-2 infection can manifest many rashes. However, thrombotic retiform purpura rarely occurs during COVID-19 illness. Aggressive anti-COVID-19 therapy with a high-dose steroid regimen led to rapid recovery. This immunothrombotic phenomenon likely represents a poor type 1 interferon response and complement activation on the endothelial surface in response to acute infection.