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COVID-19-associated parotitis and sublingual gland sialadenitis
  1. Kazuki Maegawa and
  2. Hiroaki Nishioka
  1. General Internal Medicine, Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
  1. Correspondence to Dr Hiroaki Nishioka; nishiokahiroaki{at}


The COVID-19 mainly affects the respiratory system; however, a variety of atypical manifestations of this disease have been also reported. Herein, we report a case of a man in his late 50s with severe COVID-19 presenting with parotitis and sublingual gland sialadenitis. Six days after admission, swelling in the bilateral preauricular and lower jaw areas developed. CT demonstrated parotid and sublingual gland enlargement with surrounding fat stranding, indicating sialadenitis. This case suggests that, in the present COVID-19 pandemic, COVID-19 should be included in the differential diagnosis of sialadenitis and prompt isolation should be considered to reduce the spread of infection.

  • COVID-19
  • General practice / family medicine

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  • Contributors KM collected the data and wrote the first draft of the manuscript. KM and HN reviewed the literature. HN supervised the manuscript writing, editing and review.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.