Van Maldergem syndrome [DOID:0060238]
A syndrome characterized by facial abnormalities such as telecanthus, epicanthus, broad flattened nose, large inverted W-shaped mouth and malformed ears, malformed extremities such as camptodactyly, clinodactyly, interdigital webbing and joint hyperlaxity and mental retardation.
Cockayne syndrome B [DOID:0080908]
A Cockayne syndrome that is characterized by severe physical and mental retardation, microcephaly, progressive neurologic and retinal degeneration, skeletal abnormalities, gait defects, and sun sensitivity with no increased frequency of cancer, and that has_material_basis_in homozygous or compound heterozygous mutation in the gene encoding the group 6 excision repair cross-complementing protein on chromosome 10q11.