Definition
Intra-sutural ossicles in lambdoidal, posterior sagittal and tempero-squamous sutures
- normal up to 6 months of age
- multiple areas of ossification skull cranial sutures
- early fusion can give papilloedema
Cremmin et al Skeletal Radiology 1982 8: 35-38
- size of greater than 6mm by 4mm
- mosaic rather than linear pattern
- more than 10 in number
DDx / Cretin PORK CHOPS
Cretanism
Pyknodysostosis
Osteogenesis Imperfecta
Rickets in healing phase
Kinky hair syndrome of Menke
Cliedocranial Dysplasia
Hypophosphatasia (also hypothyroidism)
Otopalatodigital syndrome
Primary Acroosteolysis, Pachydermoperiostosis
Syndromes and Chromosome disorder; esp 21