Sjogren-Larsson syndrome: A rare neurocutaneous disorder.

Sjogren-Larsson syndrome is an autosomal recessive disorder characterized by defective activity of fatty aldehyde dehydrogenase. It presents as a triad of congenital ichthyosis, spastic diplegia, and mental retardation. The pathology behind this syndrome is the failure of degradation of fatty aldehydes. This case is presented for its rarity.