The lesions in 36 patients were localized on sunexposedarea, and mainly manifested as edematous erythematous plaques, and less frequently as papules and papulovesicles.
皮损仅局限于暴光部位的36例，主要表现为水肿性红斑，少数患者有丘疹、丘疱疹；
2
If in a sun-exposedarea, use sun-protection measures, such as a hat or sunscreen.