AJR
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

This Article
Right arrow Abstract Freely available
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Young, B. M.
Right arrow Articles by Mandrekar, J.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Young, B. M.
Right arrow Articles by Mandrekar, J.
Social Bookmarking
Add to CiteULike   Add to Complore   Add to Connotea   Add to Del.icio.us   Add to Digg   Add to Reddit   Add to Technorati  
What's this?
Hotlight (NEW!)
Right arrow
What's Hotlight?

Polyp Measurement with CT Colonography: Multiple-Reader, Multiple-Workstation Comparison

Brett M. Young1, J. G. Fletcher2, Scott R. Paulsen1, Fargol Booya2, C. Daniel Johnson2, Kristina T. Johnson2,3, Zackary Melton2, Drew Rodysill2,4 and Jay Mandrekar5

1 Mayo Clinic College of Medicine, Rochester, MN 55905.
2 Department of Radiology, Mayo Clinic Rochester, Mayo East 2-B, 200 First St. SW, Rochester, MN 55905.
3 Present address: St. Olaf College, Northfield, MN.
4 Present address: Northwestern University, Evanston, IL.
5 Division of Biostatistics, Mayo Clinic Rochester, Rochester, MN 55905.


Figure 1
View larger version (130K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 1A —Colon phantom and artificial polyps. (Reprinted with permission from [10].) CT topogram shows colon phantom submerged in water bath.

 

Figure 2
View larger version (113K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 1B —Colon phantom and artificial polyps. (Reprinted with permission from [10].) Photograph shows artificial pedunculated, sessile, and flat polyp structures used in phantom.

 

Figure 3
View larger version (75K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2A —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at lung window.

 

Figure 4
View larger version (81K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2B —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at lung window.

 

Figure 5
View larger version (78K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2C —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at lung window.

 

Figure 6
View larger version (83K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2D —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at lung window.

 

Figure 7
View larger version (81K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2E —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at lung window.

 

Figure 8
View larger version (75K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2F —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at soft-tissue window.

 

Figure 9
View larger version (76K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2G —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at soft-tissue window.

 

Figure 10
View larger version (79K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2H —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at soft-tissue window.

 

Figure 11
View larger version (70K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 2I —Colon phantom. Two-dimensional axial CT images show method for determining polyp size by measurement of largest diameter of polyp with linear tool. Contiguous images at soft-tissue window.

 

Figure 12
View larger version (76K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3A —Colon phantom. Method for determining polyp size. Contiguous sagittal 2D multiplanar reconstruction images with lung window.

 

Figure 13
View larger version (79K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3B —Colon phantom. Method for determining polyp size. Contiguous sagittal 2D multiplanar reconstruction images with lung window.

 

Figure 14
View larger version (81K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3C —Colon phantom. Method for determining polyp size. Contiguous sagittal 2D multiplanar reconstruction images with lung window.

 

Figure 15
View larger version (80K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3D —Colon phantom. Method for determining polyp size. Contiguous sagittal 2D multiplanar reconstruction images with lung window.

 

Figure 16
View larger version (70K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3E —Colon phantom. Method for determining polyp size. Contiguous sagittal 2D multiplanar reconstruction images with lung window.

 

Figure 17
View larger version (64K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3F —Colon phantom. Method for determining polyp size. Contiguous coronal 2D multiplanar reconstruction images at lung window. Line (H) indicates largest diameter of polyp.

 

Figure 18
View larger version (66K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3G —Colon phantom. Method for determining polyp size. Contiguous coronal 2D multiplanar reconstruction images at lung window. Line (H) indicates largest diameter of polyp.

 

Figure 19
View larger version (64K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3H —Colon phantom. Method for determining polyp size. Contiguous coronal 2D multiplanar reconstruction images at lung window. Line (H) indicates largest diameter of polyp.

 

Figure 20
View larger version (66K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3I —Colon phantom. Method for determining polyp size. Contiguous coronal 2D multiplanar reconstruction images at lung window. Line (H) indicates largest diameter of polyp.

 

Figure 21
View larger version (71K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3J —Colon phantom. Method for determining polyp size. Contiguous coronal 2D multiplanar reconstruction images at lung window. Line (H) indicates largest diameter of polyp.

 

Figure 22
View larger version (138K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3K —Colon phantom. Method for determining polyp size. Perspective, volume-rendered images show 3D measurements obtained with Advantage workstation (GE Healthcare).

 

Figure 23
View larger version (140K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3L —Colon phantom. Method for determining polyp size. Perspective, volume-rendered images show 3D measurements obtained with Advantage workstation (GE Healthcare).

 

Figure 24
View larger version (138K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3M —Colon phantom. Method for determining polyp size. Perspective, volume-rendered images show 3D measurements obtained with Advantage workstation (GE Healthcare).

 

Figure 25
View larger version (128K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3N —Colon phantom. Method for determining polyp size. Tissue-cube images show 3D measurements obtained with Vitrea workstation (Vital Images).

 

Figure 26
View larger version (101K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3O —Colon phantom. Method for determining polyp size. Tissue-cube images show 3D measurements obtained with Vitrea workstation (Vital Images).

 

Figure 27
View larger version (116K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 3P —Colon phantom. Method for determining polyp size. Tissue-cube images show 3D measurements obtained with Vitrea workstation (Vital Images).

 

Figure 28
View larger version (16K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 4 —Box plot shows error values (measured size minus true size) for 65-mAs data set. Box represents 50% of values. Horizontal line = median value, vertical line = range of values, GE = GE Healthcare Advantage workstation, Ax = axial image, L = lung window, ST = soft-tissue window, MPR = multiplanar reconstruction, Siem = Siemens Medical Solutions Wizard workstation, Vital = Vital Images Vitrea workstation.

 

Figure 29
View larger version (16K):
[in this window]
[in a new window]
[as a PowerPoint slide]
  		Fig. 5 —Box plot shows error values (measured size minus true size) for 5-mAs data set. Box represents 50% of values. Horizontal line = median value, vertical line = range of values, GE = GE Healthcare Advantage workstation, Ax = axial image, L = lung window, ST = soft-tissue window, MPR = multiplanar reconstruction, Siem = Siemens Medical Solutions Wizard workstation, Vital = Vital Images Vitrea workstation.

 

Add to CiteULike CiteULike   Add to Complore Complore   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Digg Digg   Add to Reddit Reddit   Add to Technorati Technorati    What's this?



HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 2007 by the American Roentgen Ray Society.