(A) Since wheals induced by sun exposure are transient and have usually disappeared when a patient comes to the clinic this 62-year-old patient exhibited only residual erythemas on the cheeks and the V of the neck when she was photographed. (B) The patient was subsequently exposed to various doses of UVA and UVB delivered to template test sites on her back and immediately after exposure this picture was taken. UVA test site shows a massive urticarial reaction verifying UVA-induced solar urticaria.