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《Chinese Journal of Radiology》 2002-03
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The comparison of mammographic and pathologic features in ductal carcinoma in situ

GU Yajia *, WANG Jiuhua, TU Xiaoyu, ZHANG Tingqiu. *Department of Radiology, the Affiliated Cancer Hospital of Fu Dan University, Shanghai 200032, China  
Objective To analyze the mammographic features of ductal carcinoma in situ (DCIS) of the breast and the correlation between the mammographic and pathologic findings, and try to provide clinical criteria for selecting patients for appropriate local treatment. Methods A retrospective study was performed to analyze the mammographic features and to correlate the mammographic and pathologic findings in 29 consecutive cases of DCIS including 8 cases of DCIS associated with small invasive foci. Results (1)There were various features in mammograms of DCIS, including cluster microcalcifications (20 cases), ill defined mass with calcifications (3 cases), mass (4 cases), nipple retraction associated with big ductal dilatation (1 case), and normal mammogram (1 case). (2)The shape of the calcification cluster distributed as V shaped in 7 cases, round in 8 cases, irregular in 5 cases, and scattered as many small areas in one quadrant in 3 cases.(3)1 lesion appeared as strip from the deep aspect of the breast to the nipple, and 3 masses were round. (4)The comedo subtype (7/9) and the high grade nuclei of DCIS (6/9), correlating with poor prognosis, were more likely to be accompanied by linear and branching calcification. Noncomedo DCIS (11/12) and low grade nuclei (11/12) were more likely to be associated with granular and punctate calcification when microcalcification were seen on mammogram. There was statistically significant difference between the two groups with P =0.002 and P =0.009 respectively (Chi square test, Fisher′s exact method). Conclusion The mammographic findings of DCIS were characteristic. They were closely associated with the pathologic features that were correlated with the biomolecular findings. To some extent, the choice of treatment could be based on these mammographic findings.
【CateGory Index】: R737.9
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