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  • Title: A cross-sectional analysis of skin cancer risk in patients receiving narrow-band ultraviolet B phototherapy: an evaluation of 100 patients.
    Author: Karaosmanoglu N, Ozdemir Cetinkaya P, Kutlu O, Karaaslan E, Imren IG, Kiratli Nalbant E, Eksioglu M.
    Journal: Arch Dermatol Res; 2020 May; 312(4):249-253. PubMed ID: 31729594.
    Abstract:
    Narrow-band ultraviolet B (NB-UVB) phototherapy is an effective and widely used treatment modality for psoriasis and other inflammatory skin diseases. The carcinogenic effect of PUVA treatment has been investigated extensively, but there is very scarce data about the role of NB-UVB in the development of skin cancer. The aim of this study was to investigate the potential carcinogenic risk of NB-UVB therapy in various skin disorders. In this cross-sectional study, we evaluated 100 patients who had received whole-body NB-UVB treatment and 100 age- and sex-matched controls. Phototherapy unit database was used to identify patients. A total of 100 patients (53 males and 47 females) treated with NB-UVB and 100 controls were included in the study. The patient group revealed no cases of melanoma or non-melanoma skin cancer, while ten of them were found to have solar lentigines. Basal cell carcinoma in a patient and nine patients with solar lentigines were detected in the control group. There was no statistically significant difference between patient and control groups in terms of skin cancer and solar lentigines. This study does not provide evidence for an increased skin cancer risk in patients treated with NB-UVB phototherapy. However, we have detected the occurence of 10 cases of solar lentigines. Still, definitive prospective longitudinal studies with a greater number of patients and prolonged follow-up are required to specifically address skin cancer risk in relation to NB-UVB phototherapy.
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