Outpatient phototherapy for psoriasis

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Abstract
A new protocol using varied exposure increments of UV-B phototherapy 3 times per wk completely cleared psoriasis vulgaris. One patient''s condition substantially improved; another failed to respond. Ten-38 treatments were required during a 3-13-wk period. The only topical treatment agent used was white petrolatum. The results are compared with a schedule using 5 treatments per wk and fixed UV-B exposure increments. Infrequent (3 times weekly) treatments, avoidance of hospitalization and crude coal tar treatment, and fewer episodes of UV-radiation burn may offer advantages for selected patients. Long-term effects and maintenance requirements for this treatment regimen are unknown.