arachnoiditis
etiology:
- Pantopaque (inflammatory effect potentiated by blood)
- back surgery/trauma
- hemmorhage
- infection
- radiation
- idiopathic
myelogram:
- blunting of nerve root sleeves
- blocked nerve roots without cord displacement (2/3)
- streaking and clumping of contrast
CT:
- fusion and clumping of nerve roots
- empty-appearing sac with roots adherent to
wall (final stage)
a/w syrinx
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© 2002, C.E. Kahn, Jr.
2002-04-18