18F-FDG PET/CT in asymptomatic patients with COVID-19: the submerged iceberg surfaces

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Objective: The aim of this case series is to describe our experience in diagnosis and management of oncological asymptomatic patients with COVID-19 who underwent 18F-FDG PET/CT. Methods: From March 9 to March 31, 2020, we identified 5 patients who had PET/CT findings suspicious for COVID-19, but no symptom of infection. Results: The first three patients were administered an SARS-CoV-2 test in a COVID-dedicated center, while the fourth and fifth were tested in our institution, in accordance with a new internal procedure. The SARS-CoV-2 test yielded positive results in all five patients. Conclusion: In this COVID-19 emergency, our task as radiologists and nuclear medicine physicians is to be able to identify imaging findings suggestive of the disease and to manage patients without overloading the hospital system.

Original languageEnglish
Pages (from-to)1007-1011
Number of pages5
JournalJapanese Journal of Radiology
Issue number11
Publication statusPublished - Nov 1 2020


  • Asymptomatic patients
  • Chest CT
  • COVID-19

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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