Document Detail


Evaluation of articular cartilage thickness of the humeral head and the glenoid fossa by MR arthrography: anatomic correlation in cadavers.
MedLine Citation:
PMID:  9809879     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To evaluate the accuracy of MR arthrography in determining the thickness of articular cartilage of the humeral head and glenoid fossa. DESIGN AND PATIENTS: MR arthrography of the glenohumeral joint was performed in 17 cadaveric shoulders. Articular cartilage thickness was measured on the MR arthrographic images and corresponding anatomic sections. RESULTS: The correlation coefficients for MR arthrographic measurement versus anatomic measurement of the cartilage thickness were 0.7324 and 0.8757 for humeral head and glenoid fossa, respectively. With regard to the humeral head, there was a tendency to overestimate regions of thin cartilage and underestimate regions of thick cartilage. This tendency was not found in the assessment of glenoid cartilage. The mean of the absolute value of MR-anatomic differences was similar on the glenoid side (0.27 mm) and the humeral side (0.29 mm). The accuracy of measurement was significantly better on the glenoid side (Fisher's r-to-Z transformation: Z=5.21, P=0.000001). CONCLUSION: MR arthrography causes a moderate degree of error in the naked-eye measurement of the cartilage of the glenohumeral joint. The accuracy is higher on the glenoid side than on the humeral side.
Authors:
L R Yeh; S Kwak; Y S Kim; D S Chou; C Muhle; A Skaf; D Trudell; D Resnick
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Skeletal radiology     Volume:  27     ISSN:  0364-2348     ISO Abbreviation:  Skeletal Radiol.     Publication Date:  1998 Sep 
Date Detail:
Created Date:  1999-01-27     Completed Date:  1999-01-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7701953     Medline TA:  Skeletal Radiol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  500-4     Citation Subset:  IM    
Affiliation:
Department of Radiology, Veterans Affairs Medical Center, University of California San Diego, 92161, USA.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Cadaver
Cartilage, Articular / anatomy & histology*
Contrast Media
Gadolinium DTPA / diagnostic use
Humans
Humerus / anatomy & histology*
Linear Models
Magnetic Resonance Imaging / methods*
Middle Aged
Chemical
Reg. No./Substance:
0/Contrast Media; 80529-93-7/Gadolinium DTPA

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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