Heterogeneous red–white discoloration of the nail bed and di
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The SARS-CoV-2 disease COVID-19 that emerged in China, was declared a pandemic on 11 March 2020, by the World Health Organization. Numerous cutaneous symptoms such as pseudo-pernio, maculopapular, vesicular and urticarial rashes, livedoid or purpura-like vascular rashes, erythema multiforme-like rashes have been reported in COVID-19.

There are also case presentations mentioning nail symptoms related to COVID-19. Reports include half-moon-shaped transversal red bands; Beau lines; leukonychia in addition to Beau lines; and red half-moon nail signs. This case report describes nail symptoms detected in a patient who applied to the dermatology outpatient clinic.

A 23-year-old male patient applied to the dermatology outpatient clinic with a complaint of discoloration in his nails. He stated that he had been isolated at home with the diagnosis of COVID-19 together with his parent and sister and had complaints of fever, sore throat and joint pain, but used no medications, 4 months ago.

He also remarked that a red–white discoloration occurred in his nails during the disease, and he noticed a whiteness on the edge of his nails one month later. There was no history of trauma, disease or medication use. In his dermatological examination, heterogeneous red–white discoloration in all his nails, and two round onycholytic areas surrounded by erythema in the distal part of the second nail on the left hand were detected.

In the Wood's lamp examination, onycholytic areas were observed only in the distal part of the second nail on the left hand only. This clinical picture detected in the case reminded to Terry's nail, and it was wanted to be presented because it could be associated with COVID-19.

Source: https://onlinelibrary.wiley.com/doi/10.1111/jdv.17347?af=R
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