| Delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) and morphologic MRI of cartilage in the long-term follow-up after Legg-Calvé-Perthes disease (LCPD). | |
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MedLine Citation:
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PMID: 21696558 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Introduction: The purpose of the present study was to evaluate the feasibility of delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) in the detection of cartilage changes versus morphologic imaging in the long-term course of Legg-Calvé-Perthes disease (LCPD). Methods: A total of 31 hips in 26 patients (mean age, 30.0 years; range, 18-54 years) who were diagnosed with LCPD in childhood were included. Twenty-one radiographically normal contralateral hips served as controls. dGEMRIC indices of femoral and acetabular cartilage in the weight-bearing zone. Cartilage morphology was classified on radial PD-weighted images according to the modified Outerbridge classification. Results: Mean dGEMRIC values of cartilage were significantly lower in hips after LCPD than in the radiographically normal contralateral hips (513 ± 100 ms vs. 579 ± 103 ms; P = 0.026). In 24 out of 31 LCPD hips and in 4 out of 21 radiographically normal contralateral hips, morphological cartilage changes were noted. Analysis of variance analysis revealed a significant influence of Outerbridge grading on decreased T1-values (P = 0.031). Conclusion: Our results suggest that dGEMRIC at 1.5 T is suitable to assess cartilage quality changes in the long-term follow-up after LCPD. The evaluation of biochemical cartilage quality with dGEMRIC may provide additional information about early cartilage changes occurring without visible alterations of cartilage morphology. |
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Authors:
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Arne Holstein; Christoph Zilkens; Bernd Bittersohl; Marcus Jäger; Tanja Haamberg; Tallal C Mamisch; Rotem S Lanzman; Patric Kröpil; Dirk Blondin; Rüdiger Krauspe; Gerald Antoch; Günther Fürst; Falk Miese |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of medical imaging and radiation oncology Volume: 55 ISSN: 1754-9485 ISO Abbreviation: J Med Imaging Radiat Oncol Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-06-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101469340 Medline TA: J Med Imaging Radiat Oncol Country: Australia |
Other Details:
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Languages: eng Pagination: 259-65 Citation Subset: IM |
Copyright Information:
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© 2011 The Authors. Journal of Medical Imaging and Radiation Oncology © 2011 The Royal Australian and New Zealand College of Radiologists. |
Affiliation:
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Department of Diagnostic and Interventional Radiology Department of Orthopaedics, University Hospital Düsseldorf, Medical Faculty, Düsseldorf, Germany Department of Orthopaedic Surgery, University Hospital Bern, Bern, Switzerland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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