<unk>  (APEC) (also known as "unilateral laterothoracic<unk> ") is a rare, self-limited and spontaneously resolving skin rash of the<unk>  type with unknown cause that occurs in children. It occurs primarily in the late winter and early spring, most common in Europe, and affecting girls more often than boys. It is probably viral, but no virus has yet been associated with the condition.
Asymmetric periflexural exanthem of childhood
Photosensitivity with HIV infection
Pruritic papular eruption of HIV disease
Localized lichen myxedematosus
Childhood granulomatous periorificial dermatitis
Vesiculopustular eruption and leukemoid reaction in Down syndrome
Localized heat contact urticaria
Nonvenereal endemic syphilis