Radiographic Synopsis

PA and LL projections, sometimes supplemented with oblique projections.

1. Wormian bones; osteopenia; multilocular lesions of maxilla and mandible (osteogenesis imperfecta, Levin type)

2. Wormian bones; mandibular hypoplasia (Grant syndrome)

3. Wormian bones; open anterior fontanel; small, translucent teeth with multiple caries (cortical defects, wormian bones, and dentinogenesis imperfecta)

4. Wormian bones; dolichocephaly with frontal bossing; midface hypoplasia; prognathism (brittle bone disorder)

5. Wormian bones; symmetrical occipital horns behind the foramen magnum; osteoporosis; dental crowding (occipital horn syndrome)

6. Poorly ossified, brachycephalic skull; open sutures; multiple wormian bones; midfacial hypoplasia;

micrognathia; small teeth (Hallermann-Streiff syndrome)

7. Multiple wormian bones; calvarial thinning; open fontanels and sutures; mandibular hypoplasia; dental crowding (mandibuloacral dysplasia)

8. Multiple wormian bones; basal sclerosis; wide sutures and fontanels; hypoplastic facial bones and sinuses; obtuse mandibular angle (pyknodysosto-sis)

9. Multiple wormian bones; wide cranial sutures and fontanels; severe midface retraction; sclerosis of skull base (Schinzel-Giedion midface retraction syndrome)

10. Brachycephaly; calvarial thinning; sclerosis of skull base; depressions over frontoparietal and occipitoparietal sutures; wormian bones; calcification of falx cerebri; mandibular hypoplasia (craniofacial dysostosis with diaphyseal hyperplasia, Stanescu type)

11. Lambdoid wormian bones; generalized osteo-sclerosis; platybasia; basilar impression (primary empty sella turcica with generalized dysplasia)

12. Multiple wormian bones; widely open fontanels and sutures; underossified skull (cleidocranial dysplasia)

13. Large head with prominent forehead and parietal bulging; basal sclerosis; multiple wormian bones (craniometadiaphyseal dysplasia, wormian bone type)

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