Phototherapy with PUVA: Versatility and efficacy in dermatoses

Pityriasis Alba in Pediatric Patients With Skin of Color

“…9,10 However, this may not be realistic in patients who have extensive or refractory involvement. Topical calcitriol works at the level of melanin synthesis promotion and was found to be comparable to tacrolimus for endemic PA. 11 Refractory cases of PA have been successfully treated with ultraviolet A (UVA) therapy 2,12 and 308-nm excimer laser, the latter of which has also been used in the management of plaque psoriasis, vitiligo, and alopecia areata, among other conditions. 13 This laser modality differs from narrow-band ultraviolet B and A phototherapy as it can selectively treat affected patches of skin, while sparing unaffected skin.…”