What is the Lucio phenomenon in leprosy?

Updated: Aug 24, 2018
  • Author: Darvin Scott Smith, MD, MSc, DTM&H; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Lucio phenomenon is a severe complication of multibacillary leprosy that is marked by blue hemorrhagic plaques and necrotic ulcerations. The bacilli may extend to the endothelial cells along with the appearance of necrotic epidermis and vasculitis with thrombus formation and endothelial proliferation.


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