[Phototherapy of psoriasis of the scalp. Results in 21 patients treated with a special portable ultraviolet rays lamp].

The presence of hair hampers the performance of photo- and photochemotherapy and blocks the efficacy of exposure to sunlight in patients affected by scalp psoriasis. A portable source of ultra-violet rays was tested on 21 patients: the device is equipped with a special comb which, by separating the hair, partially overcomes the protective shield formed by the latter. The light source's physical parameters were experimentally evaluated and it is worth noting the high concentration of UVB in the emission spectrum. No topical or systemic drugs were used during treatment. A complete remission of dermatosis was achieved in 6 cases, a marked improvement in 11 (50-95%), and a slight improvement in 4 (20-30%). The source used was found to be efficacious especially in those forms of slight to medium psoriasis of the capillitium; it was handy and easy to use making it suitable for home use.