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British Journal of Radiology (2009) 82, 20-27
© 2009 British Institute of Radiology
doi: 10.1259/bjr/52846080
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Do screen-detected lobular and ductal carcinoma present with different mammographic features?

S GARNETT, MSc, BA (Hons), DCR 1 M WALLIS, MBChB, FRCR 2 and G MORGAN, MEd, BA (Hons), TDCR

1 Breast Screening Unit, Ground Floor, West Wing, University Hospital, Clifford Bridge Road, Coventry CV2 2DX, 2 Cambridge Breast Unit, Box 97, Addenbrooke's Hospital, Cambridge CB22 2QQ and 3 Faculty of Health and Social Care Sciences, Kingston University, Penrhyn Road, Kingston upon Thames KT1 2EE, UK


Figure 1
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  		Figure 1. Background density pattern. IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma.

 

Figure 2
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  		Figure 2. Tumour locations in the breast by quadrant. IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma; CC, cranio-caudal; MLO, medio-lateral oblique.

 

Figure 3
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  		Figure 3. Tumours isolated from the main breast density on each view. IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma; CC, cranio-caudal; MLO, medio-lateral oblique; IDM, ill-defined mass; SPM, speculate mass; STD, stromal/architectural distortion; ASD, asymmetric density; WDM, well-defined mass; CALC, calcification.

 

Figure 4
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  		Figure 4. Tumour shape on each view. IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma; CC, cranio-caudal; MLO, medio-lateral oblique; IDM, ill-defined mass; SPM, speculate mass; STD, stromal/architectural distortion; ASD, asymmetric density; WDM, well-defined mass; CALC, calcification.

 

Figure 5
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  		Figure 5. Number of spiculate masses on the CC view appearing on the MLO view as each shape. IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma; CC, cranio-caudal; MLO, medio-lateral oblique; IDM, ill-defined mass; SPM, speculate mass; STD, stromal/architectural distortion; ASD, asymmetric density.

 

Figure 6
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  		Figure 6. Percentage breast difference between mammographic views.(a) Medio-lateral oblique view: glandular tissue seen spread across the whole breast. (b) Cranio-caudal view: glandular tissue is foreshortened and projected denser into the lateral portion of the breast.

 

Figure 7
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  		Figure 7. A lobular carcinoma seen in a fatty breast as a speculate mass(arrow) on the CC view. (a) Medio-lateral oblique view; (b) cranio-caudal view.

 




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