Rapid improvement in digital ischemia and acral contracture in a collodion baby treated with topical tazarotene.

Collodion baby is a rare congenital disorder whereby affected infants are born encased in a thick, taut, shiny, translucent membrane. The majority of babies with collodion membrane have associated disorders, most commonly nonbullous congenital ichthyosiform erythroderma and lamellar ichthyosis. The authors report a case of collodion baby with rare complication of acral contracture, ischemia and nail dystrophy.