 likewise, craniofacial abnormalities in the form of macrocephaly and mid-face hypoplasia are present at birth.The previous clinical findings differentiate between achondroplasia and pseudoachondroplasia in which dwarfism is not recognizable at birth and craniofacial abnormalities are not considered a disease feature.Plain radiography plays an additional and important role in the differential diagnosis of achondroplasia.