Which procedures are used to confirm the diagnosis of pigmented purpuric dermatoses?

Updated: Oct 09, 2020
  • Author: Darius Mehregan, MD; Chief Editor: Dirk M Elston, MD  more...
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A skin biopsy helps to confirm the diagnosis of a pigmented purpuric eruption and aids in excluding cutaneous T-cell lymphoma, which in its early stages may closely mimic a pigmented purpuric dermatitis both clinically and histologically. [20]

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