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• Breast MRI •
The MRI diagnosis of mucinous breast carcinoma
HUA Xiao-lan  HUA Jia  SUO Shi-teng  CHENG Fang  GENG Xiao-chuan  ZHANG Qing  LI Jun  ZHANG Ke-bei 

DOI:10.12015/issn.1674-8034.2017.03.005.


[Abstract] Objective: To analyze MRI features and diagnostic essentials of mucinous breast carcinoma (MBC).Materials and Methods: MRI characteristics of 15 MBC patients confirmed by postoperative pathology were analyzed retrospectively, including the lesions’ location, size, shape, and the signal intensity on T1WI, T2WI, T2WI-FS, and the enhancement features and time-signal intensity curve (TIC) types, and DWI, ADC value. The preoperative breast MRI BI-RADS reports were reviewed as well.Results: Fifteen patients (12 cases of simplex type, 3 cases of mixed type, 4 cases with lymph node metastasis) occurred in left breast in 8 cases (53.3%) and right breast in 7 cases (46.7%). One case (6.7%) located in the central front, another 14 cases (93.3%) located in the peripheral upper or inner area, which was located in the central in 10 cases (66.7%), and the back in 4 cases (26.6%). MRI showed a mass in all the patients, which diameters were 7—45 mm, of which 8 cases (53.3%) showed round, clear boundary or with light leaflets, 7 cases (46.7%) showed irregular shapes, local fuzzy or coarse edge, even combined with burr. On T1WI, all showed iso-or slightly hypo-intensity. On T2WI and SPAIR, all showed hyper-or obvious hyper-intensity. Dynamic enhanced, 9 cases (60%) showed early rim enhancement, and then permeated into the mass, 6 cases (40%) showed heterogeneous enhancement. The TIC curves of 14 cases (93.3%) were gradually enhancing pattern, and just 1 case (6.7%) was plateau pattern. On DWI, there were obviously hyper-intensity in full or partial area, the average ADC value was (2.08±0.44)×10-3 mm2/s when b-value was 800 s/mm2, which was higher than normal breast tissue (1.45±0.56)×10-3 mm2/s .Conclusions: The MRI characteristics of MBC are helpful for the preoperative imaging diagnosis and the prognosis prediction.
[Keywords] Breast neoplasms；Mucinous carcinoma；Magnetic resonance imaging

HUA Xiao-lan Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

HUA Jia Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

SUO Shi-teng Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

CHENG Fang Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

GENG Xiao-chuan Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

ZHANG Qing Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

LI Jun Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

ZHANG Ke-bei* Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China

*Correspondence to: Zhang KB, E-mail: zkb008@126.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This study was funded by the Multidisciplinary Cross-Program Development Fund Project No. YG2014ZD05
Received  2016-12-16
Accepted  2017-01-19
DOI: 10.12015/issn.1674-8034.2017.03.005
DOI:10.12015/issn.1674-8034.2017.03.005.

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