• David de Berker


Erythronychia is a sign in a range of diagnoses presenting in different patterns causing redness of the subungual tissues. Disease may be monodactylous or polydactylous. Redness can be as a longitudinal streak arising in the matrix or nail bed. Alternatively it may be a focal blemish in matrix or nail bed. Less focal patterns occupy all or part of matrix or nail bed. Evaluation requires an understanding of the diseases in which it is found which include the spectrum of inflammatory, infective and neoplastic, including in some instances malignancy. Evaluation and sometimes biopsy enable a management plan and prognostication.


Longitudinal Erythronychia Onychopapilloma Glomus tumour Darier’s Warty dyskeratoma Squamous cell carcinoma Bowen’s disease Surgery Dermoscopy Myxoid pseudocyst Amyloid Lichen planus Melanonychia Leuconychia Connective tissue disease Onycholysis Polydactylous Monodactylous 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • David de Berker
    • 1
  1. 1.Bristol InfirmaryBristolUK

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