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Related Experiment Videos

[Melanonychia].

Gustav Askaner1, Rikke Bredgaard, Alessandro Venzo

  • 1gaskaner@gmail.com.

Ugeskrift for Laeger
|December 15, 2018
PubMed
Summary

Melanonychia, or dark nail discolouration, can stem from benign causes like infections or trauma. However, it may also indicate subungual melanoma, necessitating careful examination to rule out malignancy.

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Area of Science:

  • Dermatology
  • Oncology

Background:

  • Nail discolouration, specifically melanonychia, prompts medical visits, often due to benign conditions.
  • Causes include melanocytic proliferation, benign hyperplasia, and hypermelanosis from infections or trauma.

Purpose of the Study:

  • To highlight the importance of differentiating benign melanonychia from subungual melanoma.
  • To emphasize systematic examination of nail discolourations.

Main Methods:

  • Review of clinical presentations of melanonychia.
  • Differential diagnosis of nail discolouration.

Main Results:

  • Melanonychia can result from various benign conditions.
  • Subungual melanoma frequently presents as melanonychia and is often missed.

Conclusions:

  • Systematic evaluation of all nail discolourations is crucial.
  • Early detection of subungual melanoma improves prognosis.