| Discussion: |
This child lived in an area with very high fluoride concentrations in the local drinking water and this condition was common in the area. The key radiographic findings in this disorder are:
1.hypoplasia and irregular tooth development
2.osteosclerosis of the axial skeleton with relative sparing of the skull and extremities
4.ligamentous calcifications (esp.sacrospinous and sacrotuberous)
5.periosteal reaction long bones
6. Insufficiency fractures
DDX: osteopetrosis,osteoblastic mets, myelofibrosis, renal osteodystrophy, and hypoparathyroidism.