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Journal of Radiological Review 2021 September;8(3):254-9

DOI: 10.23736/S2723-9284.21.00088-7

Copyright © 2021 EDIZIONI MINERVA MEDICA

lingua: Inglese

SARS-CoV-2 coronavirus as possible cause of shoulder muscle denervation disease: MRI findings

Elena MURMURA 1 , Elisabetta DILDA 1, Davide FIGOLI 1, Domenica MAURONE 1, Marilina TOTARO 1, Davide COLOMBI 2, Nicola MORELLI 2, Emanuele MICHIELETTI 2, Giuseppe MARCHESI 1

1 Unit of Radiology, Department of Radiological Functions, Hospital of Castel San Giovanni, Castel San Giovanni, Piacenza, Italy; 2 Unit of Radiology, Department of Radiological Functions, Guglielmo da Saliceto Hospital, Piacenza, Italy



Coronavirus disease 2019 (COVID-19) is a severe acute respiratory syndrome (SARS) caused by the SARS-CoV-2 coronavirus that reached pandemic proportions. Recent publications have described neurological manifestations in COVID-19 involving the central nervous system, peripheral nervous system and muscle. In this article, we shared the magnetic resonance imaging (MRI) evidence of shoulder muscles alterations in patient with COVID-19 and reduced shoulder mobility. Electromyography identified axillary and musculocutaneous nerves injuries, compatible with subacute-chronic damage. MRI revealed an increased signal intensity of deltoid muscle in T2-weighted images, especially fat-suppressed images (STIR), compatible with extracellular/intramuscular edema caused by denervation. There were, also, focal little areas of hyperintensity in STIR images of supraspinatus and infraspinatus muscles. To our knowledge, this is the first report of muscle denervation in patient with COVID-19 disease.


KEY WORDS: COVID-19; Denervation; Peripheral nervous system diseases

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