Morphometric analysis of acetabular dysplasia in cerebral palsy

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Abstract

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.

Original languageEnglish
Pages (from-to)243-247
Number of pages5
JournalJournal of Bone and Joint Surgery - Series B
Volume88
Issue number2
DOIs
StatePublished - 1 Feb 2006

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Cerebral Palsy
Hip
Control Groups
Legg-Calve-Perthes Disease

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title = "Morphometric analysis of acetabular dysplasia in cerebral palsy",
abstract = "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.",
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Morphometric analysis of acetabular dysplasia in cerebral palsy. / Chung, C. Y.; Park, M. S.; Choi, I. H.; Cho, T. J.; Yoo, W. J.; Lee, K. M.

In: Journal of Bone and Joint Surgery - Series B, Vol. 88, No. 2, 01.02.2006, p. 243-247.

Research output: Contribution to journalArticle

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