|T1 pre-gad||T1 post-gad||T2 FSE|
This patient is status post two L5 laminectomies in the past. Differentiation between recurrent disk and epidural fibrosis is important since patients with epidural fibrosis generally do not receive much benefit from repeat surgery while patients with recurrent disk have better results. Related Cases
Bundschuh CV, Modic MT, Ross JS, et al. Epidural fibrosis and recurrent disk herniation in the lumbar spine: MR imaging assessment. AJR, Apr 1988; 150(4):p923-32.
Mirowitz SA, Shady KL. Gadopentetate dimeglumine-enhanced MR imaging of the postoperative lumbar spine: comparison of fat suppressed and conventional T1 weighted images. AJR, Aug 1992; 159(2):p385-9.
Bundschuh CV, Stein L, Slusser JH, et al. Distinguishing between scar and recurrent herniated disk postoperative patients: value of contrast-enhanced CT and MR imaging. AJNR, Sep-Oct 1990; 11(5):p949-58.
Jinkins JR, Osborn AG, Garrett D, et al. Spinal nerve enhancement with Gd-DTPA: MR correlation with the postoperative lumbosacral spine. AJNR, Mar-Apr 1993; 14(2):p383- 94.
|HNP||Calcified HNP||Epidural fibrosis|