Document Detail

Tarsal navicular relations in club foot: is there a role for magnetic resonance imaging?
MedLine Citation:
PMID:  9765137     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To correlate radiographic and MR appearances with surgical findings to determine the accuracy of these modalities in demonstrating tarsal navicular (TN) relations in order to select the appropriate surgical intervention. DESIGN AND PATIENTS: Fourteen consecutive patients with 19 club feet had anteroposterior and lateral radiographs and magnetic resonance (MR) imaging performed. Blinded retrospective interpretation of these studies was correlated with surgical findings. Movement artifact was responsible for initial non-diagnostic MR scans in 3 out of 19 feet. RESULTS: Plain radiographs and MR imaging had sensitivities of 79% and 84% respectively for TN subluxation, while both modalities had 100% positive predictive value for TN subluxation. Each modality produced indeterminate results in cases where subluxation was present at surgery, but in combination there were no false negatives. CONCLUSION: Radiography confidently predicted the TN alignment in the majority of cases. MR demonstrated TN relationships in all cases where radiography was indeterminate. It is proposed that MR has a potential role to demonstrate TN relationships when radiography is indeterminate or when there is disparity between the clinical and radiographic assessment.
P J O'Connor; C F Bos; J L Bloem
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Skeletal radiology     Volume:  27     ISSN:  0364-2348     ISO Abbreviation:  Skeletal Radiol.     Publication Date:  1998 Aug 
Date Detail:
Created Date:  1998-12-21     Completed Date:  1998-12-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7701953     Medline TA:  Skeletal Radiol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  440-4     Citation Subset:  IM    
Department of Radiology, The General Infirmary at Leeds, UK.
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MeSH Terms
Clubfoot / pathology*,  radiography,  surgery
Magnetic Resonance Imaging
Predictive Value of Tests
Retrospective Studies
Sensitivity and Specificity
Tarsal Bones / pathology*,  radiography

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