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. 2020 Aug 4;75(11):804–810. doi: 10.1016/j.crad.2020.07.019

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© 2020 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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A 51-year-old woman with COVID-19. The patient was admitted after a few weeks of cough and dyspnoea and then subsequently developed ARDS. In addition to lung involvement, the patient developed unilateral foot necrosis with clinical features of peripheral ischaemia. (a) Contrast-enhanced CT in the axial and (b) reconstructed sagittal images showed a medium-density structure resembling a collection with hyperattenuating rims in the adductor halluces muscle (arrow), slightly decreased small artery opacification, with patent major arteries, gas locules (white arrowhead) around the first distal phalange without osseous destruction. (c) MRI performed 1 day after CT showed on the axial T1-weighted and (d) sagittal T2-weighted spectral presaturation with inversion recovery (SPIR) sequence thickened and oedematous but intact muscular fibres of the adductor halluces muscle.