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Title: Three-dimensional imaging of acetabular dysplasia: diagnostic value and impact on surgical type classification
Authors: Smet, Maria-Helena ×
Marchal, G J
Baert, A L
Van Hoe, L
Van Cleynenbreugel, Johan
Daniels, H
Molenaers, Guy
Moens, Pierre
Fabry, Guy #
Issue Date: Aug-2000
Publisher: G. Thieme
Series Title: European journal of radiology vol:34 issue:1 pages:26-31
Abstract: OBJECTIVE: To investigate the diagnostic value and the impact on surgical type classification of three-dimensional (3D) images for pre-surgical evaluation of dysplastic hips. MATERIALS AND METHODS: Three children with a different surgical type of hip dysplasia were investigated with helical computed tomography. For each patient, two-dimensional (2D) images, 3D, and a stereolithographic model of the dysplastic hip were generated. In two separate sessions, 40 medical observers independently analyzed the 2D images (session 1), the 2D and 3D images (session 2), and tried to identify the corresponding stereolithographic hip model. The influence of both image presentation (2D versus 3D images) and observer (degree of experience, radiologist versus orthopedic surgeon) were statistically analyzed. The SL model choice reflected the impact on surgical type classification. RESULTS: Image presentation was a significant factor whereas the individual observer was not. Three-dimensional images scored significantly better than 2D images (P=0.0003). Three-dimensional imaging increased the correct surgical type classification by 35%. CONCLUSION: Three-dimensional images significantly improve the pre-surgical diagnostic assessment and surgical type classification of dysplastic hips.
ISSN: 0720-048X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Orthopaedics Section (-)
× corresponding author
# (joint) last author

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