%0 Journal Article %T Embriopat¨ªa por isotretino¨ªna: Un da£¿o evitable %A Troncoso Sen %A M¨®nica %A Rojas H %A Carla %A Bravo C %A Eduardo %J Revista m¨¦dica de Chile %D 2008 %I Sociedad M¨¦dica de Santiago %R 10.4067/S0034-98872008000600012 %X retinoic acid is a widely used drug in the treatment of cystic acn¨¦. it has teratogenic effects that depend on the gestational period in which it is used. we report a seven months of female whose mother was exposed to retinoic acid in both pregestational and gestational periods. she had a retardation of psychomotor development and a brain mri showed frontal atrophy and a malformation of the posterior fossa. we discuss the mechanisms ofthe teratogenic effeets of retinoic acid %K abnormalities %K drug-induced %K embryonic and fetal development %K tretinoin. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0034-98872008000600012&lng=en&nrm=iso&tlng=en