%0 Journal Article %T A patient presenting a 22q13 deletion associated with an apparently balanced translocation t(16;22): an illustrative case in the investigation of patients with low ARSA activity %A Artigal¨¢s %A Osvaldo %A Paskulin %A Giorgio %A Riegel %A Mariluce %A Burin %A Maira %A Saraiva-Pereira %A Maria Luiza %A Maluf %A Sharbel %A Kiss %A Andrea %A Schwartz %A Ida Vanessa D. %J Genetics and Molecular Biology %D 2012 %I Sociedade Brasileira de Gen¨¦tica %R 10.1590/S1415-47572012000300007 %X a 10-year-old speechless, mentally deficient male, with low arylsulfatase a (arsa) activity, and presumably, methachromatic leukodystrophy, underwent genetic evaluation. as the clinical picture was not compatible with this diagnosisan arsa gene and chromosome analysis were performed, showing the presence of a pseudodeficiency arsa allele and a de novo apparently balanced t(16;22)(p11.2;q13) translocation. a deletion on the long arm of chromosome 22 encompassing the arsa gene, as shown by fish and array-cgh, indicated a 22q13 deletion syndrome. this case illustrates the importance of detailed cytogenetic investigation in patients presenting low arylsulfatase a activity and atypical/unspecific clinical features. %K 22q13 deletion %K apparently balanced translocation %K arsa gene %K arylsulfatase a pseudodeficiency %K metachromatic leukodystrophy. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1415-47572012000300007&lng=en&nrm=iso&tlng=en