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Updated: May 3, 2026

Minimal Erythema Dose MED Testing
Published on: May 28, 2013
Real-life effectiveness of narrowband UVB phototherapy for pityriasis lichenoides
Rachele Bardelli1, Francesco Bellinato2, Andrea Carugno3
1Section of Dermatology and Venereology, Department of Medicine, University of Verona; Dermatology Unit, Ospedale di Circolo e Fondazione Macchi, ASST Sette Laghi, Varese.
Abstract:
Dear Editor, Pityriasis lichenoides (PL) is an inflammatory skin disease of unknown etiology. The clinical spectrum of pityriasis lichenoides encompasses febrile ulcer-necrotic Mucha-Habermann disease (FUMHD), pityriasis lichenoides et varioliformis acuta (PLEVA), and pityriasis lichenoides chronica (PLC). Phototherapy is an effective and well-tolerated modality that is often successful for persistent PL or resistant to topical treatments. [...].

