Photosensitive dermatitis - 光敏性皮炎
光敏性皮炎 (Photosensitive dermatitis)之后的“炎症后色素沉着过度”；光皮炎在手背上比在手指上更常见。
EPP (Erythropoietic protoporphyria) 中的急性光敏反应；阳光引起的皮炎通常发生在手背侧和手臂的暴露区域。与接触性皮炎不同，其特征是位置对称且可触及的微小病变。
References
光过敏包括一系列因阳光照射而引发或恶化的症状、疾病和病症（光性皮肤病）。它分为五类： primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis
Photosensitivity refers to various symptoms, diseases, and conditions (photodermatoses) caused or exacerbated by exposure to sunlight. It is classified into five categories: primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis.
Photosensitivity refers to various symptoms, diseases, and conditions (photodermatoses) caused or exacerbated by exposure to sunlight. It is classified into five categories: primary photodermatosis, exogenous photodermatosis, photo-exacerbated dermatoses, metabolic photodermatosis, and genetic photodermatosis.
光敏性皮炎 (photosensitive dermatitis) 可能会导致肿胀、呼吸困难、烧灼感、红色发痒皮疹（有时类似于小水泡）和皮肤脱皮。也可能出现斑点，瘙痒可能持续很长时间。