Ultraviolet A and photosensitivity during vemurafenib therapy.

Panel A shows the minimal erythema dose of ultraviolet B (UVB) (upper row of fields) and ultraviolet A (UVA) (lower row of fields). The fields irradiated with UVA showed increasing erythema 24 hours after irradiation. The UVB-irradiated fields did not show any erythema or pigmentation. Panel B shows UVA-induced reddening and swelling 24 hours after… (More)