A case of newly diagnosed immune thrombocytopenia in the COVID-19 era

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A case of newly diagnosed immune thrombocytopenia in the COVID‑19 era Bianca Clerici1 · Simone Birocchi1 · Elena Bertinato1 · Clara Di Benedetto2 · Sabrina Caberlon1 · Marco Cattaneo1 · Gian Marco Podda1  Received: 25 July 2020 / Accepted: 24 October 2020 © Società Italiana di Medicina Interna (SIMI) 2020

A 64-year-old man presented to our Emergency Department (ED) in April 2020, in the midst of the COVID-19 pandemic, complaining of 3 days of unexplained fever following a contact with a known SARS-CoV-2 positive subject, atraumatic epistaxis and appearance of muco-cutaneous petechiae. At first medical contact, the patient was afebrile, showed no difficulty breathing in room air with a peripheral oxygen saturation of 95%, and reported no symptoms attributable to SARS-CoV-2 infection. The past medical history included diabetes mellitus and arterial hypertension. The initial blood work-up showed isolated severe thrombocytopenia (2 × 109/L), a hemoglobin value of Hb 13.2 g/dL with MCV 87 fL, a white blood cell (WBC) count within normal limits, and a CRP of 11 mg/L (normal values