The cause is not currently known, and the condition appears to be multifactorial. Several candidate genes (such as FBN1, which has been associated with Marfan) have been proposed and excluded.
Scheuermann's disease
Zimmermann–Laband syndrome
Hartnup disease
Ackerman syndrome
Camurati–Engelmann disease
Binder's syndrome
Urbach–Wiethe disease
Brill–Zinsser disease