Unilateral
Locked Facets
Unilateral Locked Facets: Stable
This results
from simultaneous flexion and rotation.
One of the articular masses is displaced anterior to the subjacent mass.
There is subluxation and locking at the facet joint.
You
can see forward
displacement of the dislocated vertebral body a distance less than 50% of the AP
diameter of the vertebral body.
There
should be no significant listhesis and no abnormal gapping of either the
vertebral body or spinous processes.
This
represents a stable minor ligamentous injury.
C3 Jumped Facet
Magnified view of C3 Jumped Facet
Unilateral Locked Facet of C6
Magnified Views of C6 Unilateral Locked Facet.
Findings:
There is prevertebral soft tissue swelling, abrupt change in rotation at
the involved level. Grade I Anterolisthesis of C6 on C7. The remaining facets are superimposed.
This section written by:
LCDR Ron Boucher, MC, USN
LT Hugh McSwain, MC, USN
With some assistance from:
CDR Michael Puckett, MC, USN
ENS Robert Post, MC, USNR
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Approved for public release;
Distribution is unlimited.
The listing of any non-Federal product in this CD is not an endorsement of the
product itself, but simply an acknowledgement of the source.
Bureau of Medicine and Surgery
Department of the Navy
2300 E Street NW
Washington, D.C
20372-5300 |
Operational Medicine
Health Care in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMED P-5139
January 1, 2001 |
United States Special Operations
Command
7701 Tampa Point Blvd.
MacDill AFB, Florida
33621-5323 |
*This web version is provided by
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Operational Medicine 2001
Contents
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