[Bardet-Biedl syndrome: subclinical renal disorders in 2 siblings]. / Síndrome de Bardet-Biedl: alteraciones renales subclínicas en dos hermanos.

Two siblings with Bardet-Biedl's syndrome are studied, in whom renal structural and functional disorders were observed, with reduction in the ability to concentrate urine in both cases and decrease of creatinine clearance in the second case. The study of the hypophyseal function was normal.