Morphometric analysis of acetabular dysplasia in cerebral palsy

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Chung, C. Y.; Park, M. S.; Choi, I. H.; Cho, T.-J.; Yoo, W. J.; Lee, K. M.
Issue Date
British Editorial Society of Bone and Joint Surgery
J Bone Joint Surg Br 2006;88:243-7
Acetabulum/*radiographyBone Diseases, Developmental/complications/*radiographyCerebral Palsy/complications/*radiographyHip Dislocation/complications/radiographyHip Joint/radiography/*surgeryImage Processing, Computer-Assisted/*methodsJoint Instability/radiography/*surgeryOsteotomyRetrospective StudiesTomography, X-Ray Computed/methods
We carried out a morphometric analysis of acetabular dysplasia in patients with cerebral palsy requiring hip surgery using three-dimensional CT. We evaluated 54 hips in 27 patients. The contralateral normal hips of ten patients with unilateral Perthes' disease were used as a control group. The acetabular defects were assessed qualitatively as anterior, posterior or global. Quantitative assessments were made using three-directional acetabular indices (anterosuperior, superolateral and posterosuperior) and measured by multiplanar reformation, from which we calculated the acetabular volume.In the qualitative study, posterior defects were most common in the subluxation group whereas global defects predominated in the dislocation group. In the quantitative study, all acetabular indices in both the subluxation and dislocation groups were higher than those in the control group and the superolateral indices showed a tendency to elevation in the dislocation group. The acetabular volume was largest in the control group, smallest in the dislocation group, and intermediate between the two in the subluxation group.
0301-620X (Print)
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College of Medicine/School of Medicine (의과대학/대학원)Orthopedic Surgery (정형외과학전공)Journal Papers (저널논문_정형외과학전공)
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