But My Back Hurts Only When I’m Standing5 - University of Rochester

But My Back Hurts Only

When I¡¯m Standing !

Axial Loading for Spinal Canal Stenosis

Matthew Cham, MD; Akio Hiwatashi, MD; Per-Lennart Westesson, MD, PhD, DDS

Division of Diagnostic and Interventional Neuroradiology, Department of Radiology,

University of Rochester Medical Center, Rochester, NY 14620

Presentation material is for education purposes only. All rights reserved. ?2004 URMC Radiology

Page 1 of 29

Spinal Canal Stenosis

! Progressive narrowing

of the central canal,

lateral recesses, and

neural foramina most

commonly due to

degenerative disease

! In the United States,

majority of individuals

over 60 years old are

affected

Presentation material is for education purposes only. All rights reserved. ?2004 URMC Radiology

Page 2 of 29

Symptoms of Lumbar Stenosis

! Most commonly presents

as midline back pain

aggravated by standing

or walking

! Improved by leaning

forward

Presentation material is for education purposes only. All rights reserved. ?2004 URMC Radiology

Page 3 of 29

Purpose

! To review the role of axial-loading in MRI

for the diagnosis of spinal canal stenosis

! To learn how axial-loading in MRI can be

performed during conventional supine MRI

Presentation material is for education purposes only. All rights reserved. ?2004 URMC Radiology

Page 4 of 29

Effect of Positioning

! Myelography may

demonstrate

worsening of

spinal stenosis

during extension

Presentation material is for education purposes only. All rights reserved. ?2004 URMC Radiology

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