Atypical manifestations of coronavirus disease 2019 (COVID-19)-associated autoimmune thrombotic thrombocytopenic purpura.

Patients with coronavirus disease 2019 (COVID-19) infection can have various abnormal hematologic parameters. This report illustrates a case with unusual presentation of COVID-19-associated thrombotic thrombocytopenic purpura, in which the patient did not develop any typical respiratory signs or symptoms.