Intended for healthcare professionals



BMJ 2012; 344 doi: (Published 21 June 2012) Cite this as: BMJ 2012;344:e4185
  1. Shaheen S Haque Hussain, specialty registrar in dermatology,
  2. Jane C Sterling, honorary consultant dermatologist
  1. 1Department of Dermatology, Cambridge University Hospitals NHS Foundation Trust, Addenbrooke’s Hospital, Cambridge CB24 6ED, UK
  1. shaheen.haque{at}

A 35 year old woman presented with recurrent blisters on her upper lip and itchy hyperpigmented patches on her abdomen and foot, which persisted …

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