Congenital contractural arachnodactyly

Congenital contractural arachnodactyly (CCA), also known as Beals-Hecht syndrome, is a rare autosomal dominant congenital connective tissue disorder. As with Marfan syndrome, people with CCA typically have an arm span that is greater than their height and very long fingers and toes. [Source: Wikipedia ]

Congenital contractural arachnofactyly
OrphaNet reference
Congenital contractural arachnodactyly 
May Cause
Contracted hand
Contracture of a digit