How do pigmented purpuric dermatoses present?

Updated: Oct 09, 2020
  • Author: Darius Mehregan, MD; Chief Editor: Dirk M Elston, MD  more...
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Patients complain about the appearance of their skin.

In Schamberg disease, irregular plaques and patches of orange-brown pigmentation develop on the lower limbs. The lesions are chronic and persist for years. With time, many of the lesions tend to extend and may become darker brown in color, but some may spontaneously clear.

In itching purpura, the lesions are much more extensive, and patients typically complain of severe pruritus.

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