eMedicine Specialties > Physical Medicine and Rehabilitation > Lumbar Spine Disorders
Spinal Stenosis and Neurogenic Claudication: Multimedia
Updated: Jun 16, 2009
Multimedia
 | Media file 1: Lateral T2-weighted magnetic resonance imaging (MRI) scan demonstrating narrowing of the central spinal fluid signal (L4-L5), suggesting central canal stenosis. |
 | Media file 2: Axial T2 magnetic resonance imaging (MRI) scan (L4-L5) in the same patient as in the above image, confirming central canal stenosis. |
 | Media file 3: Trefoil appearance characteristic of central canal stenosis due to a combination of zygapophysial joint and ligamentum flavum hypertrophy. |
 | Media file 4: Lateral and axial magnetic resonance imaging (MRI) scan demonstrating right L4 lateral recess stenosis secondary to combination of far lateral disk protrusion and zygapophysial joint hypertrophy. |
 | Media file 5: Axial lumbar computed tomography (CT) scan demonstrates marked right-sided spinal canal stenosis (black arrow) resulting from advanced right-sided facet hypertrophy. Note the vacuum disk sign within the intervertebral disc (yellow double arrow). The vacuum disk sign is further indication of degenerative changes and spinal instability. |
 | Media file 6: Lumbar computed tomography (CT) myelogram scan demonstrates a normal central canal diameter. |
 | Media file 7: Anterior view of a lumbar myelogram demonstrates stenosis related to Paget disease. Myelography is limited because of the superimposition of multiple spinal structures that contribute to the overall pattern of stenosis. |
 | Media file 8: Lateral view of a lumbar myelogram performed in a patient who has been fused across the L4-L5 and the L5-S1 vertebral interspaces using transpedicular screws. Treatment of lumbar spinal stenosis may include decompression laminectomies, followed by the placement of transpedicular screws (yellow arrows) with a posterior stabilization bar. |
 | Media file 9: Sagittal view of a 3-dimensional volume image of the lumbar spine in a patient with a posterior fusion using transpedicular screws in L4 and L5. Note that an interposition graft has been placed between L4 and L5 to maintain satisfactory intervertebral distance. |
More on Spinal Stenosis and Neurogenic Claudication |
| Overview: Spinal Stenosis and Neurogenic Claudication |
| Differential Diagnoses & Workup: Spinal Stenosis and Neurogenic Claudication |
| Treatment & Medication: Spinal Stenosis and Neurogenic Claudication |
| Follow-up: Spinal Stenosis and Neurogenic Claudication |
 Multimedia: Spinal Stenosis and Neurogenic Claudication |
| References |
| Further Reading |
| « Previous Page |
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Further Reading
Related eMedicine topics:
Cauda Equina
Cauda Equina and Conus Medullaris Syndromes
Cauda Equina Syndrome [Emergency Medicine]
Cauda Equina Syndrome [Orthopedic Surgery]
Degenerative Disk Disease
Degenerative Lumbar Disc Disease in the Mature Athlete
Lumbar Degenerative Disk Disease
Spinal Stenosis [Neurosurgery]
Spinal Stenosis [Orthopedic Surgery]
Spinal Stenosis [Radiology]
Clinical guidelines:
Diagnosis and treatment of degenerative lumbar spinal stenosis. North American Spine Society - Medical Specialty Society. 2002 (revised 2007 Jan). 262 pages. NGC:005896
Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 9: fusion in patients with stenosis and spondylolisthesis. American Association of Neurological Surgeons - Medical Specialty Society
Congress of Neurological Surgeons - Professional Association. 2005 Jun. 7 pages. NGC:005370
Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 10: fusion following decompression in patients with stenosis without spondylolisthesis. American Association of Neurological Surgeons - Medical Specialty Society
Congress of Neurological Surgeons - Professional Association. 2005 Jun. 6 pages. NGC:005371
Clinical trials:
A Pivotal Study of a Facet Replacement System to Treat Spinal Stenosis
Dynamic Stabilization for Lumbar Spinal Stenosis With Stabilimax NZ® Dynamic Spine Stabilization System
IDE Clinical Trial Comparing Coflex vs. Fusion to Treat Lumbar Spinal Stenosis (coflex)
Investigating Superion™ In Spinal Stenosis [ISISS]
Lumbar Stenosis Outcomes Research (LUSTOR)
Keywords
spinal stenosis, neurogenic claudication, stenosis, stenosis lumbar, lumbar spinal stenosis, laminectomy, spine surgery, disk surgery, disc surgery, foraminal stenosis, stenosis surgery, spinal stenosis surgery, spinal stenosis treatment, central stenosis, central canal stenosis, claudication, intervertebral foramen stenosis, lateral gutter stenosis, lateral recess stenosis, subarticular stenosis, subpedicular stenosis, neural compression, spinal canal narrowing, ligamentum flavum hypertrophy, facet hypertrophy of cephalad vertebra, vertebral body osteophytosis, herniated nucleus pulposus, HNP, foraminal canal stenosis, incomplete vertebral arch closure, spinal dysraphism, segmentation failure, achondroplasia, osteopetrosis
early vertebral arch ossification, osseous exostosis, shortened pedicles, thoracolumbar kyphosis, apical vertebral wedging, anterior vertebral beaking, Morquio syndrome, posterior disc protrusion, zygapophyseal joint hypertrophy, spondylolisthesis, diskectomy, discectomy, Paget disease, fluorosis, acromegaly, ankylosing spondylitis, disc desiccation, degenerative disk disease, degenerative disc disease, failed back surgery syndrome, bilateral neurogenic claudication, cauda equina microvascular ischemia, intraneural fibrosis, radiculopathy
