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Impact of 3D Sonography on Workroom Time Efficiency

Jeffrey Hagel1 and Simon G. Bicknell2

1 Department of Radiology, University of British Columbia, Rm. 335-0950, West 10th Ave., Vancouver, BC, Canada V5Z 1M9.
2 Department of Radiology, Lions Gate Hospital, Vancouver, BC, Canada.


Figure 1
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  		Fig. 1A —Graphs show overall mean time (minutes) per patient for sonographic examination from patient arrival to discharge. Three-dimensional sonography group.

 

Figure 2
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  		Fig. 1B —Graphs show overall mean time (minutes) per patient for sonographic examination from patient arrival to discharge. Two-dimensional sonography group.

 

Figure 3
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  		Fig. 2 —Bar graph shows results of survey of sonographers after study of qualitative performance of 3D acquisitions.

 

Figure 4
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  		Fig. 3A —35-year-old woman with medullary nephrocalcinosis secondary to medullary sponge kidney with mild right hydronephrosis. Comparison of spatial resolutions. Sagittal 2D sonographic scan obtained as static image with conventional technique.

 

Figure 5
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  		Fig. 3B —35-year-old woman with medullary nephrocalcinosis secondary to medullary sponge kidney with mild right hydronephrosis. Comparison of spatial resolutions. Sagittal 2D sonographic scan obtained from sagittally obtained volume.

 

Figure 6
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  		Fig. 3C —35-year-old woman with medullary nephrocalcinosis secondary to medullary sponge kidney with mild right hydronephrosis. Comparison of spatial resolutions. Sonographic scan obtained with sagittal reformatting from transversely acquired volume.

 

Figure 7
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  		Fig. 4A —55-year-old man with acute full-thickness tear of supraspinatus tendon. Comparison of spatial resolution. Sagittal oblique sonographic image of left shoulder obtained with conventional 2D technique shows tear (white arrows).

 

Figure 8
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  		Fig. 4B —55-year-old man with acute full-thickness tear of supraspinatus tendon. Comparison of spatial resolution. Sagittal oblique sonographic image from sagittally obtained volume shows tear (white arrows).

 

Figure 9
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  		Fig. 4C —55-year-old man with acute full-thickness tear of supraspinatus tendon. Comparison of spatial resolution. Three-dimensional surface-rendered image in transverse plane reconstructed from sagittally obtained volume shows tear (white arrows). Black arrows indicate volume averaging through humerus; asterisk indicates humeral head.

 

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