Journal Basic Info

  • Impact Factor: 2.709**
  • H-Index: 11 
  • ISSN: 2474-1663
  • DOI: 10.25107/2474-1663
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Head and Neck Oncology
  •  Ovarian Cancer
  •  Kidney Cancer
  •  Targeted Therapy
  •  Carcinomas
  •  Central Nervous System Tumors
  •  Chemotherapy and Radiotherapy
  •  Neoadjuvant Therapy


Citation: Clin Oncol. 2021;6(1):1838.DOI: 10.25107/2474-1663.1838

Breast MR Imaging Helps Differentiate Malignant and Benign Mammographic Microcalcifications: A Study Based on the 5th Edition of BI-RADS

Ran Luo, Lijun Wang, Dengbin Wang, Yuzhen Zhang and Yanhong Chen

Department of Radiology, Shanghai Jiao Tong University School of Medicine, China

*Correspondance to: Dengbin Wang 

 PDF  Full Text Research Article | Open Access


Objective: To investigate whether breast MR imaging could help in differentiating malignant from benign mammographic microcalcifications.
Methods: The study consecutively included 106 patients with 112 mammographic microcalcifications between January 2014 and April 2017 in our institute. Pre-operative mammograms and breast MR images were analyzed in a blind manner by two trained breast imaging subspecialists. Each lesion was described and categorized according to the 5th BI-RADS atlas. AUC, sensitivity, specificity, positive Likelihood Ratio (LR) were used to evaluate the value of MR imaging in differentiating malignancy from benignity.
Results: Of the 112 lesions, pathologic results revealed 81 benign, 12 pre-cancerous and 19 malignant (10 invasive cancer and 9 ductal carcinoma in situ) findings. The number of lesions assigned to BIRADS 3, 4B, 4C, and 5 was 2, 92, 16, and 2, respectively, resulting in a PPV of 14.7% (17/108) for MG-BI-RADS 4 microcalcifications. The number of MRI classification 1 to 5 to the corresponding BI-RADS 4B microcalcifications were 37, 2, 33, 27, and 9 respectively. MR-BI-RADS criteria ruled out 72 benign MG-BI-RADS 4 lesions with none malignancy missed, while MRI enhancement criteria ruled out 46 benign lesions. MR-BI-RADS criteria were significantly better in AUC (0.896, P<0.0001), specificity (79.12%, P<0.0001), and positive LR (4.79) than mammography and MRI enhancement criteria. Conclusion: Breast MR imaging is useful in the evaluation of BI-RADS 4 mammographic microcalcifications by avoiding 79.12% unnecessary biopsies with none false-negative diagnosis.


Breast; Microcalcification; Magnetic resonance imaging; Clinical decision-making

Cite the Article:

Luo R, Wang L, Wang D, Zhang Y, Chen Y. Breast MR Imaging Helps Differentiate Malignant and Benign Mammographic Microcalcifications: A Study Based on the 5th Edition of BIRADS. Clin Oncol. 2021;6:1838..

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