Abstract
Targeted phototherapy, including excimer light involves the localised delivery of ultraviolet (UV) light directly to lesional skin1,2 . Narrowband UVB as well as soak and topical psoralen-UVA (PUVA) can be used as localised phototherapy, whereby there is irradiation only to a localised area of the skin. Common indications include localised psoriasis, vitiligo, atopic dermatitis (AD)1 , and lymphoproliferative skin disorders involving a limited area of the body or difficult-to-treat anatomical areas3 . Phototherapy can be used as monotherapy, but is more often part of a multi-modal treatment regime involving topical and systemic agents1 .
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