BMJ 2010; 340 doi: https://doi.org/10.1136/bmj.c420 (Published 26 January 2010) Cite this as: BMJ 2010;340:c420
  1. Emma Victoria Smith, dermatology specialist registrar,
  2. Richard J Motley, consultant dermatology and cutaneous surgery
  1. 1Welsh Institute of Dermatology, Glamorgan House, University Hospital Wales, Heath Park, Cardiff CF14 4XW
  1. dremmasmith@doctors.org.uk

    Describing skin disorders accurately is often a challenge, but a picture can be worth a thousand words, as illustrated by this photograph …

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