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Recognition of Cranio-Cervical Instability in the Complex Chiari ...

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§ A significant number <strong>of</strong> patients worsened<br />

after suboccipital decompression<br />

Dyst ,1988; B<strong>in</strong>dal ,1995; Dauser, 1988<br />

§ 50% pediatric group have “Ventral<br />

Bra<strong>in</strong>stem Flatten<strong>in</strong>g”<br />

Grabb,1999<br />

§ 40% have basilar impression<br />

Cahan L, J NSGY,1982<br />

§ Angulation over <strong>the</strong> odontoid process<br />

Menezes,1988

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