What is the prognosis of parapsoriasis?

Updated: Sep 04, 2019
  • Author: Henry K Wong, MD, PhD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Small plaque parapsoriasis may persist in a stable pattern for years to decades and then resolve spontaneously. A small number of cases may progress to mycosis fungoides (MF).

Large plaque parapsoriasis remains indolent for many years. The disease may progress to cutaneous T-cell lymphoma (CTCL) with transformation of lymphocytes from benign small size to larger atypical lymphocytes. The 5-year survival rate, however, still remains high and is greater than 90%.


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