Differential diagnoses in COVID-19 pandemic: a retrospective descriptive study

  • Elia Rigamonti | elia.rigamonti@eoc.ch Internal Medicine Department, Ospedale Regionale Lugano, Ente Ospedaliero, Switzerland. https://orcid.org/0000-0002-8726-6244
  • Tanja Fusi-Schmidhauser Internal Medicine Department, Ospedale Regionale Lugano, Ente Ospedaliero, Switzerland.
  • Gianluca Argentieri Radiology Department, Ospedale Regionale Lugano, Ente Ospedaliero Cantonale, Switzerland.
  • Pietro Gianella Internal Medicine Department, Ospedale Regionale Lugano, Ente Ospedaliero Cantonale, Switzerland; Pneumology Department, Ospedale Regionale Lugano, Ente Ospedaliero, Switzerland.

Abstract

Since 02.2020, SARS-CoV-2 infection rapidly spread across Southern Switzerland. The available literature on differential diagnoses of COVID-19 is scarce. Our study aims to review differential diagnoses of SARS-CoV-2 infections in public hospitals in Southern Switzerland and to describe patients’ related outcome. Between 01.03.2020 and 15.04.2020, 344 patients had a chest CT-scan at admission, 210 of them were pathological. 172 patients had a positive nasopharyngeal swab for SARSCoV- 2 and 38 patients needed an additional diagnostic work-up and were included in this study. Among the selected patients,8 patients underwent 2 PCR for SARS-CoV2, 18 of them 3 PCR. We observed 29 infective cases, 3 due to cardiovascular aetiologies, 2 due to COPD exacerbation, 1 due to cryptogenic organizing pneumonia, 3 not related to respiratory diseases. Our results highlight the importance of differential diagnosis in times of widespread occurrence of COVID-19, considering the similarity of symptoms and imaging appearance with other respiratory conditions.

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Published
2020-12-23
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Early Release
Keywords:
Interstitial bilateral pneumonia, differential diagnoses, COVID-19, SARS-CoV-2 infection.
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How to Cite
Rigamonti, E., Fusi-Schmidhauser, T., Argentieri, G., & Gianella, P. (2020). Differential diagnoses in COVID-19 pandemic: a retrospective descriptive study. Italian Journal of Medicine, (AOP). https://doi.org/10.4081/itjm.2020.1410