Clinical features of pseudoporphyria. (a) A few irregularly shaped, slightly depressed, erythematous scars on the right cheek of a 3-year-old girl with JIA-EOPA. These lesions appeared 14 months after the start of naproxen. (b) Nine months after discontinuation of naproxen the scars are still visible although slightly less depressed. JIA-EOPA: juvenile idiopathic arthritis, early-onset pauciarticular subtype.