An extremely rare disorder found in less than ten patients worldwide with characteristics of congenital heart defect, sagittal craniosynostosis and severe developmental delay. Genital and renal anomalies, and various dysmorphic features may be present. Joint and palpebral abnormalities may also occur. The occurrence of the syndrome in a brother-sister sibship supports the hypothesis of autosomal recessive inheritance. Autosomal dominant inheritance and submicroscopic deletions have also been proposed as possible causes. [from
SNOMEDCT_US]