Collaborative Hypertext of Radiology

featureless thecal sac

no nerve roots seen (in L-spine; roots not seen in T-spine)

DDx:

arachnoiditis
- Pantopaque
- infection
- hemorrhage
- surgery / RT
subdural injection
- contrast flows, unlike epidural injection
- nerve roots seen as they exit, but not between disc levels

Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013