- See:
-
MRI in Cervical Fractures:
-
Role of CT & MRI in Cervical Fractures :
-
MRI of Disc Herniation:
-
MRI diagnosis of Spinal Osteomylitis:
- Discussion:
- most sensitive and accurate method for screening patients with symptoms of a
spinal cord lesion;
- also useful in the evaluation of
vertebral osteomyelitis;
- Role of MRI in Identifying Disk Pathology:
- MRI is at least as useful in evaluating degenerated intervertebral
disks as
CT and myelography.
-
disk herniation is characterized by extension of the disk beyond margins of
adjacent vertebral bodies;
-
disk space infection is characterized by an abnormally high signal intensity
within disk and paraspinal tissues on
T2 images;
-
gadolinium has been useful in evaluation of postop lumbar spine;
-
disc degeneration:
- disk degeneration on MRI is characterized by loss of signal intensity best seen
on
T2 images (reflects dehydration of disc tissue).
- disk herniation is characterized by extension of disk beyond margins
of the adjacent vertebral bodies;
- 34% of patients between 20 and 39 years of age will show at least one
degenerative disc level on T2 signal;
-
MRI of Disc Herniation:
Lumbar Spine Abnormalities on MR Images of Asymptomatic Subjects
Finding
20-39
40-59
60-80
Herniated Disk
21
22
36
Spinal Stenosis
1
0
21
Disk Bulge
56
50
79
Disk Degeneration
34
59
93
from: Lumbar Spine Imaging: Role in Clinical Decesion Making
Scott D. Boden MD and Sam W. Wiesel MD
J Am Acad Orthop Surg: 1996; 4: 238-248.
Neuroradiology: Review Article: MR Imaging of the Spinal Cord: Current Status and Future Advances.
Neuroradiology: Review Article: Role of MR Imaging in the Management of Spinal Infections.
Magnetic resonance imaging of the thoracic spine. Evaluation of asymptomatic individuals.
Similarities in degenerative findings on magnetic resonance images of the lumbar spines of identical twins.
Differentiation between spinal tumors and infections with MRI.
HS An et al.
Spine.
Vol 16 (suppl). p 334-338. 1991.
