What is the prevalence of half-and-half nails in end-stage renal disease (ESRD)?

Updated: Mar 05, 2020
  • Author: Julia R Nunley, MD; Chief Editor: Dirk M Elston, MD  more...
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Bean first described half-and-half nails in 1963. [28] Although not pathognomonic for renal failure, these nails occur in as many as 40% of patients on dialysis and disappear several months after successful renal transplantation. Half-and-half nails are characterized by a dark distal band that occupies 20-60% of the nail bed and by a white proximal band. [29, 30, 31] The distal dark band may range in color from reddish to brown. Although the condition has been observed on toenails, it more commonly involves fingernails.

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