Digital tomosynthesis as a new diagnostic tool for assessing of chronic gout arthritic feet and ankles: comparison of plain radiography and computed tomography

Digital tomosynthesis as a new diagnostic tool for assessing of chronic gout arthritic feet and... This aimed to compare the three radiographic methods of digital tomosynthesis (DT), plain radiography, and computed tomography (CT) for evaluating changes in feet of patients with chronic gouty arthritis. Two independent radiologists read the plain radiography, DT, and CT images of 30 male patients with gout. The degrees of erosion and joint space narrowing were scored using the Sharp–van der Heijde scoring method in 18 foot joints, which consisted of four proximal interphalangeal and one interphalangeal joint of the first toe, five metatarsophalangeal, five tarsometatarsal, and three naviculo-cuneiform joints of the foot. DT showed high reproducibility [0.929 for intraobserver intraclass correlation coefficient (ICC) and 0.838 for interobserver ICC]. DT showed similar results to those of CT and superior results to those of plain radiography for evaluating radiographic damage [mean total score, 8.5 ± 14.6 (±standard deviation) for plain radiography, 12.9 ± 12.4 for DT, and 12.6 ± 11.2 for CT]. This study showed that DT is a good method for evaluating radiographic changes in patients with gout. Further research is needed to apply DT to actual clinical settings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical Rheumatology Springer Journals

Digital tomosynthesis as a new diagnostic tool for assessing of chronic gout arthritic feet and ankles: comparison of plain radiography and computed tomography

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Publisher
Springer London
Copyright
Copyright © 2017 by International League of Associations for Rheumatology (ILAR)
Subject
Medicine & Public Health; Rheumatology
ISSN
0770-3198
eISSN
1434-9949
D.O.I.
10.1007/s10067-017-3710-x
Publisher site
See Article on Publisher Site

Abstract

This aimed to compare the three radiographic methods of digital tomosynthesis (DT), plain radiography, and computed tomography (CT) for evaluating changes in feet of patients with chronic gouty arthritis. Two independent radiologists read the plain radiography, DT, and CT images of 30 male patients with gout. The degrees of erosion and joint space narrowing were scored using the Sharp–van der Heijde scoring method in 18 foot joints, which consisted of four proximal interphalangeal and one interphalangeal joint of the first toe, five metatarsophalangeal, five tarsometatarsal, and three naviculo-cuneiform joints of the foot. DT showed high reproducibility [0.929 for intraobserver intraclass correlation coefficient (ICC) and 0.838 for interobserver ICC]. DT showed similar results to those of CT and superior results to those of plain radiography for evaluating radiographic damage [mean total score, 8.5 ± 14.6 (±standard deviation) for plain radiography, 12.9 ± 12.4 for DT, and 12.6 ± 11.2 for CT]. This study showed that DT is a good method for evaluating radiographic changes in patients with gout. Further research is needed to apply DT to actual clinical settings.

Journal

Clinical RheumatologySpringer Journals

Published: Jun 8, 2017

References

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