• One hundred eighty-three patients with psoriasis were treated with UV-B irradiation or oral methoxsalen plus longwave UV light (PUVA). Patients treated with PUVA, in the initial and maintenance period, achieved in general a higher therapeutic score (95% to 100% clearance) than those receiving UV-B therapy. However, taking 80% to 100% improvement as criterion, no difference was found between initial UV-B and PUVA therapy, if less than 50% of the skin surface was affected by psoriasis. If more than 50% of the skin was involved, PUVA was better than UV-B therapy. The maintenance treatment frequency for the UV-B—treated patients for more than a year seemed to be higher than for PUVA-treated patients. A positive correlation was found between response to sunbathing (questionnaire survey) and the response to UV-B phototherapy. An extra UV-B treatment to the leg lesions appeared useless.
(Arch Dermatol 1984;120:52-57)
Boer J, Hermans J, Schothorst AA, Suurmond D. Comparison of Phototherapy (UV-B) and Photochemotherapy (PUVA) for Clearing and Maintenance Therapy of Psoriasis. Arch Dermatol. 1984;120(1):52–57. doi:10.1001/archderm.1984.01650370058011
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