[MIM*248370] an autosomal recessive disorder, caused by a mutation in the gene LMNA encoding lamin A/C on 1 q. characterized by hypoplastic mandible, dental crowding, acroosteolysis, stiff joints, and atrophy of the skin of the hands and feet; clavicles are hypoplastic, cranial sutures are wide, and multiple sutural bones are present.
