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KMID : 0357520100330010019
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Journal of Radiological Science and Technology
2010 Volume.33 No. 1 p.19 ~ p.24
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The Position for Measuring BMD of the Distal Radius and The Study of the Correlation Between the Distal Radius and Lumba
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Han Man-Seok
Jeon Min-Chul
Seo Sun-Youl
Kim Jong-Jin
Kim Yong-Kyun
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Abstract
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The aim of this study was to evaluate the change of bone mineral density according to distal radius rotation and the correlations of the lowest BMD measured by DXA at the lumba versus distal radius. The eleven males were projected distal radius by DR X-ray and the measurement of BMD by DXA of the appropriate position of the forearm were performed on 21 males. The healthy 11 and 21 volunteers without any history of operations, anomalies, or trauma were enrolled. The experiment was performed by two methods. First, The DR X-ray was measured distal radius of 11 males in pronation and supination with three, six and nine degrees, including a neutral position. The ROI was measured by the m-view program on the PACS monitor. Second, The DXA was measured distal radius of 21 males in pronation and supination with five and ten degrees, including a neutral position to evaluate the changes of BMD according to the rotation. A correlation of the BMD in the distal radius with BMD that lumbar spine was performed, along with analysis of the data by SPSS 12.0v. The mean rotation angle of the distal radius about eleven males DR X-ray measured of pronation (82%, n = 9), of supination and of neutral of (9%, n = 1), The total average rotation angle in 11 male was of pronation. The rotation angle of the distal radius about twenty one males on DXA measured of pronation (43%, n = 9), of supination (24%, n = 5), and of neutral (33%, n = 7), The total average rotation angle in 21 people was of pronation. The correlation of the analysis of lumba and distal radius were r = 3.0, p = 0.18. consequently, The correlation was not significance. Because BMD of lumba was not coverd for BMD of the distal radius, with a neutral position, Pronation is needed for BMD in the distal radius with the rotation angle measuring at the lowest BMD. the rotation angle about five degrees of pronation of the distal radius is recommended.
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KEYWORD
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BMD, distal radius, DXA, DR
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