%0 Journal Article %T S¨ªndrome con deleci¨®n 22q11 (S¨ªndrome velocardiofacial), reporte de los primeros casos en Costa Rica con diagn¨®stico citogen¨¦tico %A Porras %A Oscar %A Obando-Jim¨¦nez %A Catalina %A Mas %A Carlos %J Acta M¨¦dica Costarricense %D 2011 %I Scientific Electronic Library Online %X the 22q11 deletion syndrome is an autosomic recessive disease caused by a 22q11 microdeletion. we report the first 3 cases of this syndrome in costa rica, confirmed by cytogenetics, in situ fluorescence hybridization showed the 22q11 microdeletion. due to clinical suspicion it was requested in 2 boys and one girl with congenital conotruncal heart disease. as of today, 2 of the cases are alive and 1 died in the immediate postoperative period of corrective cardiac surgery. when their symptoms began, in the 3 cases failure to thrive was noted and in 2, dimorphism related to abnormal facial features. in 1 case, cleft palate was recorded and, pie bott in another. although congenital heart disease is a clinical finding that frequently persuades physicians into thinking about this syndrome, the most common phenotypical signs are cognitive and behavioral disorders. %K 22q11 deletion syndrome %K velo-cardio-facial syndrome %K di george sequence %K congenital heart disease %K cleft palate %K immunodeficiency %K fish. %U http://www.scielo.sa.cr/scielo.php?script=sci_abstract&pid=S0001-60022011000100010&lng=en&nrm=iso&tlng=en