Lymphomatoid papulosis
ORPHA:98842· ICD-10 C86.6
Definition
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) with which it shares overlapping clinical and histopathologic features.
- Prevalence
- Unknown
- Age of onset
- All ages