Evaluating ground glass opacities (GGO) in the COVID-19 era. Do autoantibodies help?

ABSTRACT

INTRODUCTION: COVID-19 is an infectious disease, caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and there have been outbreaks worldwide. The presentation may include unspecific and mild symptoms, myalgia, headaches, high fever, dry cough, severe dyspnea and acute respiratory distress syndrome (ARDS). CASE STUDY We present a rare case of microscopic polyangiitis (MPA) with interstitial lung disease and without renal involvement misdiagnosed as COVID-19. CONCLUSIONS: Differential diagnosis of COVID-19 is extremely important, and must be correctly identified in order to proceed with correct treatment.