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Computer-Aided Detection of Amorphous Calcifications

Mary Scott Soo1, Eric L. Rosen1, Jessie Q. Xia1, Sujata Ghate1 and Jay A. Baker1

1 All authors: Department of Radiology, Duke University Medical Center, Box 3808, DUMC, 2nd Fl., Red Zone, South Hospital, Durham, NC 27710.



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  		Fig. 1A. —50-year-old woman with ductal carcinoma in situ. Right craniocaudal mammogram shows scattered fibroglandular tissue. Amorphous calcifications in lateral breast (arrow) are difficult to detect on routine images.

 


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  		Fig. 1B. —50-year-old woman with ductal carcinoma in situ. Magnification craniocaudal mammogram shows 5-mm clustered amorphous calcifications (arrows) in lateral breast.

 


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  		Fig. 1C. —50-year-old woman with ductal carcinoma in situ. Photograph of computer-aided detection display screen shows system failed to mark amorphous calcifications, which are in region of arrows. False-positive marks (asterisk and triangle) are seen in right and left breasts, respectively.

 


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  		Fig. 2A. —66-year-old woman with ductal carcinoma in situ. Mediolateral oblique mammograms show obvious dystrophic calcifications in left breast; however, amorphous calcifications (arrows) are difficult to detect.

 


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  		Fig. 2B. —66-year-old woman with ductal carcinoma in situ. Magnified mediolateral oblique view of left breast shows faint amorphous calcifications (arrows) superior to larger dystrophic calcifications.

 


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  		Fig. 2C. —66-year-old woman with ductal carcinoma in situ. Photograph of computer-aided detection display screen shows system failed to mark amorphous calcifications (arrows); however, numerous distracting false-positive marks (triangles) are seen in both breasts.

 

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