Lymphomatoid papulosis

What is Lymphomatoid papulosis?

Lymphomatoid papulosis (LyP) is a rare cutaneous condition characterized by chronic, recurrent, and self-regressing papulonodular skin eruptions. It belongs to the spectrum of primary cutaneous CD30+ lymphoproliferative disorders, along with primary cutaneous anaplastic large cell lymphoma (primary C-ALCL; see this term) with which it shares overlapping clinical and histopathologic features.

Other condition names

  • LyP

Age of Onset

  • All ages
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