Tosun, MustafaKüçükosmanoğlu, İlknur2025-05-042025-05-0420212717-7173https://hdl.handle.net/20.500.12418/32380Phototherapy methods commonly used in the treatment of vitiligo include narrow-band ultraviolet B (NB-UVB). A 23-years old male was diagnosed with vitiligo in the dermatology polyclinic and was followed up in the phototherapy unit with NB-UVB treatment of 3 sessions per week; in the 42nd session psoriasis plaques were seen to have developed. We suggest that this rare but important association should be considered as a side effect of narrow-band phototherapy.[No abstract available]en10.51972/tfsd.934271https://doi.org/10.51972/tfsd.934271info:eu-repo/semantics/openAccessPsoriasisPhototherapyTreatmentVitiligoCase Report232321