Tags: Disease.
Lujan–Fryns syndrome (LFS) also referred to as X-linked mental retardation with Marfanoid habitus and Lujan syndrome is an X-linked genetic disorder that causes mild to moderate intellectual disability and features described as Marfanoid habitus referring to a group of physical characteristics similar to those found in Marfan syndrome. These features include a tall thin stature and long slender limbs.