Narrow-band UVB phototherapy: This therapy (TL2 Philipps lamps emitting at 311 nm) has proved to be the most beneficial for psoriasis and looks promising in the treatment of some other skin conditions including atopic eczema and vitili- go, pruritus, lichen planus, polymorphous light eruption and early cutaneous T-cell lymphoma. Broad- and narrow-band UVB in psoriasis patients:Whilst treatment of psoriasis with PUVA is more widely used and better studied in terms of risk for skin cancer, broadband UVB therapy (280–320 nm) has been used for longer, and in most centres narrow-band UVB therapy (311 nm) is now increasingly used. Indeed narrow-band UVB is viewed by many as the treatment of choice for psoriasis (Honigsmann, 2001). Narrow-band UVB.
