<unk>  is characterized by itchy, inflamed papules, nodules, and plaques on the skin. Lesions typically<unk> pear hours or days after exposure of the skin to UV light, and follow a general pattern of sun-exposed areas. The face, neck, arms, hands, and legs are often affected, although lesions sometimes<unk> pear on skin that is covered by clothing and thus not exposed to UV light, thus making<unk>  somewhat difficult to diagnose.<unk>  is a chronic disease, and symptoms usually worsen in the spring and summer as the day lengthens and exposure to sunlight increases.
Actinic prurigo
Eczema vaccinatum
Alopecia mucinosa
Molluscum dermatitis
Livedoid dermatitis
Lichen nitidus
Abietic acid dermatitis
Ichthyosis acquisita