Recognition of Cranio-Cervical Instability in the Complex Chiari ...
Recognition of Cranio-Cervical Instability in the Complex Chiari ...
Recognition of Cranio-Cervical Instability in the Complex Chiari ...
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¡ Of 400 normal subjects, none<br />
had basion to PAL >12mm<br />
¡ “In adults, <strong>the</strong> occipito-‐<br />
vertebral junction can be<br />
considered normal when both<br />
<strong>the</strong> basion axial <strong>in</strong>terval and<br />
<strong>the</strong> basion dental <strong>in</strong>terval are<br />
12mm or less”<br />
Harris JH, Carson GC, Wagner LK:<br />
Radiological diagnosis <strong>of</strong> traumatic<br />
Occipitovertebr4al Dissociation