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• Clinical Article •
MRI differentiation between breast mucinous carcinoma and fibroadenoma
ZHAO Jianxiu  SHENG Fugeng  ZHOU Juan  SHUANG Ping  YANG Xiaoyan  YIN Hui  WANG Tingting 

Cite this article as: Zhao JX, Sheng FG, Zhou J, et al. MRI differentiation between breast mucinous carcinoma and fibroadenoma. Chin J Magn Reson Imaging, 2019, 10(2): 136-139. DOI:10.12015/issn.1674-8034.2019.02.012.


[Abstract] Objective: To explore the MRI differentiation between breast mucinous carcinoma (MCs) and fibroadenoma (FAs) as to improve the diagnostic accuracy of MCs of the breast.Materials and Methods: 31 cases of breast MCs and 50 cases of FAs confirmed by pathology were collected.Results: Breast MCs and FAs T2WI all showed higher signal intensity on T2WI. ①Morphology: irregular margins were observed more frequently in MCs, but FAs showed more margin circumscribed. ②ADC value: the mean ADC value of pure-MCs was (1.8±0.5)×10-3 mm2/s, the mean ADC value of mixed-MCs was (1.0±0.6)×10-3 mm2/s, the mean ADC value of FAs was (1.4±0.30)×10-3 mm2/s. ③Internal enhancement characteristic: pure-MCs also showed delayed heterogeneous enhancement (45%, 9/20) and rim enhancement (45%, 9/20), mixed-MCs also showed heterogeneous enhancement (91%, 10/11), FAs showed homogeneous enhancement (44%, 22/50) and heterogeneous enhancement (40%, 20/50) and dark internal septation (14%, 7/50). ④Time signal intensity curve (TIC): pure-MCs and FAs also showed Ⅰ type, mixed-MCs also showed Ⅲ type. The difference of MCs and FAs was statistically significant (P<0.05).Conclusions: Breast MCs and FAs are relatively characteristic in MRI. Correctly understanding the characteristics of MRI can improve the diagnostic accuracy of MCs.
[Keywords] breast neoplasms；mucinous carcinoma；fibroadenoma；magnetic resonance imaging

ZHAO Jianxiu Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

SHENG Fugeng Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

ZHOU Juan* Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

SHUANG Ping Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

YANG Xiaoyan Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

YIN Hui Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

WANG Tingting Department of Radiology, No.307 Hospital of PLA, Beijing 100071, China

*Correspondence to: Zhou J, E-mail: zjuan122@163.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part granted by the Natural Natural Science Foundation of China No.21575161
Received  2018-06-19
Accepted  2018-08-03
DOI: 10.12015/issn.1674-8034.2019.02.012
Cite this article as: Zhao JX, Sheng FG, Zhou J, et al. MRI differentiation between breast mucinous carcinoma and fibroadenoma. Chin J Magn Reson Imaging, 2019, 10(2): 136-139. DOI:10.12015/issn.1674-8034.2019.02.012.

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