Orthopedics > OCOSH Classification > Investigations > Radiology - General > Radiology - Signs > basilar invagination CHORUS

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basilar invagination CHORUS

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Location: http://chorus.rad.mcw.edu/doc/00614.html

Description: dens projects into base of skull
o McGregor's line> 4.5 mm
o Chamberlain's line> 3 mm
* may --> obstructive hydrocephalus
etiology:
* 1' anomalies of occiput, atlas, axis
* softened bone: rickets / osteomalacia, Paget's dz
* fibrous dysplasia
* dysostoses: OI, achondroplasia, cleidocranial dysostosis

Type: Reference Material
Author/Contact: Charles E. Kahn, Jr., MD
Institution: CHORUS
Primary Subject/Category:

Language: English

Submitted by: admin
Hits: 1160
Added: Thu Jan 31 2002
Last Modified: Fri Jul 24 2009