Medium-dose ultraviolet A1 therapy for pityriasis lichenoides et varioliformis acuta and pityriasis lichenoides chronica - 01/09/11
Abstract |
Background: Ultraviolet A1 (340-400 nm) was found to be effective in the treatment of cutaneous T-cell-mediated diseases. Objective: The purpose of the present study was to assess the efficacy of UVA1 phototherapy for pityriasis lichenoides et varioliformis acuta (PLEVA) and pityriasis lichenoides chronica (PLC). Methods: Eight patients (3 with PLEVA and 5 with PLC) received 60 J/cm2 UVA1 daily until remission. Four patients also had lesions inaccessible to UVA1 that were used as control lesions. Immunocytologic studies of skin infiltrates and circulating T cells were done. Results: Six patients showed complete clinical and histologic recovery. Two patients with PLC had a partial improvement. Unirradiated control lesions never improved. Serious short-term adverse effects were not encountered. No effects on circulating lymphocytes were reported. Conclusion: UVA1 therapy is an effective and well-tolerated treatment for PLEVA and PLC. The therapeutic activity seems to be related to direct effects on cutaneous inflammatory infiltrates because the lesions in nonexposed cutaneous areas did not respond. (J Am Acad Dermatol 2002;47:410-4.)
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 | Funding sources: None. |
| Conflict of interest: None declared. |
 | Reprint requests: Piergiacomo Calzavara-Pinton, MD, Department of Dermatology, Azienda Spedali Civili, P.le Spedali Civili 1, 25123 Brescia, Italy. |
Vol 47 - N° 3
P. 410-414 - septembre 2002 Retour au numéro
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