As nouns the difference between progeria and trichothiodystrophy

is that progeria is (pathology) an extremely rare genetic condition wherein symptoms resembling aspects of aging are manifested at an early age while trichothiodystrophy is an autosomal-recessive congenital skin disease characterized by a congenital ichthyosiform erythroderma, growth and mental retardation, progeria-like facies, and brittle hair.