Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13815
Title: Reliability of radiographic intervertebral disc height measurement for in vivo rat-tail model
Authors: Lai, A
Chow, DHK
Siu, WS
Holmes, AD
Tang, FH
Keywords: Degeneration
Disc height
Intervertebral disc
Radiological image
Rat model
Issue Date: 2007
Publisher: Elsevier
Source: Medical engineering & physics, 2007, v. 29, no. 7, p. 814-819 How to cite?
Journal: Medical engineering & physics 
Abstract: Quantification of changes in intervertebral disc height is critical for studying intervertebral disc degeneration. Reliability of disc height measurement is therefore especially important for in vivo studies using animal models of disc degeneration. In this study, the effects of image intensity and percentage of disc width used for disc height measurement from radiographic images were evaluated in a rat-tail model. Radiographs were taken for 10 Sprague-Dawley rats using a standardized protocol. Average disc heights of the caudal 8-9 discs were determined using original and intensity adjusted images with different percentages of disc width. The average disc height was found to be significantly affected by both the image intensity and the percentage of disc width measured. A higher reliability was found in the measurement for image with adjusted intensity and using smaller disc width. Image intensity is suggested to be controlled and the disc width should be taken into account in quantifying the disc height.
URI: http://hdl.handle.net/10397/13815
ISSN: 1350-4533
DOI: 10.1016/j.medengphy.2006.08.013
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

11
Last Week
0
Last month
0
Citations as of Sep 19, 2017

WEB OF SCIENCETM
Citations

11
Last Week
0
Last month
0
Citations as of Jul 15, 2017

Page view(s)

41
Last Week
0
Last month
Checked on Sep 18, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.