Beau's Lines and Leukonychia in a COVID-19 Patient

Nail changes as manifestation of systemic disease in COVID‐19 infection

“…Skin biopsy, performed in 5 of the 6 patients with reactivated lesions, showed a non-specific histological picture consistent with published reports of COVID-19-associated ACBLL 3,4 (Fig. 1).…”

“…2 We conducted a literature search in Pubmed, Embase, The Cochrane Library, EBSCO and Google scholar databases regarding all the case reports and series of nail changes associated to COVID-19 infection. Included cases are summarized in Table 1.A total of six case reports were found: two reported beau lines, 3,4 two red half-moon nail sign, 2,5 one onychomadesis 1 and one a distal orange discoloration. 6 Median age was of 53.5 years (range 37 to 89 years).…”

“…A total of six case reports were found: two reported beau lines, 3,4 two red half-moon nail sign, 2,5 one onychomadesis 1 and one a distal orange discoloration. 6 Median age was of 53.5 years (range 37 to 89 years).…”

Telogen effluvium, Beau lines, and acral peeling associated with COVID-19 infection

“…Similarly, Beau lines are transverse grooves in the nail plate that result from a temporary arrest of proximal nail matrix proliferation often following local trauma, cutaneous diseases such as hand-footmouth disease, or severe febrile illnesses, including previously reported cases of COVID-19 infection. 7,8 The distance from the proximal nail fold to the leading edge of Beau line can be used to estimate the approximate elapsed time since the initial inciting factor.…”

Nails and COVID ‐19 – A comprehensive review of clinical findings and treatment

“…Beau's lines have been observed among children and adults with COVID‐19. 24 , 25 , 26 Single or multiple nails may be affected–mostly fingernails. Beau's lines can be accompanied by leukonychia.…”