BMJ 2012; 344 doi: http://dx.doi.org/10.1136/bmj.e4313 (Published 27 June 2012) Cite this as: BMJ 2012;344:e4313
  1. Avad Mughal, specialist registrar in dermatology,
  2. Tracey Bale, clinical nurse specialist ,
  3. Natalie Stone, consultant dermatologist
  1. 1Department of Dermatology, Royal Gwent Hospital, Newport NP20 2UB, UK
  1. avad_mughal{at}doctors.org.uk

A 72 year old man presented with a thick, scaly skin lesion on the dorsum of his left foot. A …

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