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Myositis as a manifestation of SARS-CoV-2
  1. Maxime Beydon1,
  2. Kevin Chevalier1,
  3. Omar Al Tabaa1,
  4. Sabrina Hamroun1,
  5. Anne-Sophie Delettre1,
  6. Marion Thomas1,
  7. Julia Herrou1,
  8. Elodie Riviere1,2,
  9. Xavier Mariette1,2
  1. 1 Department of Rheumatology, Bicetre Hospital, Le Kremlin-Bicêtre, France
  2. 2 Université Paris-Saclay, INSERM UMR1184, Le Kremlin Bicêtre, France
  1. Correspondence to Professor Xavier Mariette, Department of Rheumatology, Bicetre Hospital, Le Kremlin-Bicêtre 94270, France; xavier.mariette{at}

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We read with great interest the paper from Monti et al describing clinical course of coronavirus disease 2019 (covid-19) in patients with chronic arthritis. We would like to emphasise that symptoms mimicking connective tissue disease can occur at the early phase of covid-19 infection.1

Despite the fact that myalgia has been already reported in several cohorts of patients with covid-19 infection,2 myositis was not described in these studies. We report a case of a MRI-documented myositis secondary to covid-19 in a patient. The patient was not under medication prior to the illness. Symptoms appeared suddenly on waking with diffuse myalgias and proximal lower limb muscle weakness, causing him to fall. On arrival at the hospital, the patient was afebrile and did not present any upper or lower airway symptoms. Motor testing revealed a bilateral hip flexion deficit graded at 3/5 on the Medical Research …

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