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Arch Iran Med. 2021;24(5): 383-389.
doi: 10.34172/aim.2021.55
  Abstract View: 175
  PDF Download: 123

Original Article

Assessment of Ultrasound Features and BI-RADS Categories of Malignant Breast Masses in Women ≤40

Masoume Gity 1,2, Maryam Jafari 3,4*, Asiie Olfatbakhsh 4, kiara Rezaei Kalantari 5, Esmatsadat Hashemi 4, Fatemeh Sari 4

1 Advanced Diagnostic and Interventional Radiology Research Center, Tehran University of Medical Sciences, Tehran, Iran
2 Department of Radiology, Medical Imaging Center, Tehran University of Medical Sciences, Tehran, Iran
3 Department of Radiology, Ali Asghar Children Hospital, Iran University of Medical Sciences, Tehran, Iran
4 Clinical Research Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
5 Radiology Department, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
*Corresponding Author: Maryam Jafari, Clinical Research Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran. Tel:+989128715912, Email: maryjafarimd@gmail.com

Abstract

Background: To evaluate ultrasound (US) characteristics and BI-RADS (Breast imaging-reporting and data system) of malignant breast masses in women <40 years and to compare with older patients.
Methods: In a retrospective, descriptive-analytical study, we assessed the US images and BI-RADS category of 78 malignant masses with a final pathology of invasive ductal carcinoma (IDC, NOS type).
Results: Overall, the most frequent US descriptors of IDC were indistinct margin (45%), irregular shaped (63.5%), posterior shadowing (38.8%), heterogeneous internal echogenicity (56.3%) and non-parallel orientation (76.3%). In this study, most malignant masses of young patients were categorized as BI-RADS 4a while in the older patients (over 40), they were mostly BI-RADS 4b and 5 with P=0.03 and odds ratio (OR) of 2.57 (95% confidence interval (CI), 0.74–8.8). In addition, the mean dimension of the mass in young cases was greater (18.3 mm) compared with older patients (13.2 mm) with P value of 0.04 and OR of 3.8 (95% CI, 1.1–13.4).
Conclusion: Similar to previous studies, malignant masses were diagnosed in greater dimensions in younger cases which may be due to the delay in diagnosis, the rapid growth of the tumor and the absence of routine screening guidelines.
Radiologists should be aware of the possibility of malignancy in palpable slightly suspicious masses (BI-RADS 4A) in young cases.
Keywords: BI-RADS (Breast imaging-reporting and data system), Breast cancer, Invasive ductal carcinoma, Ultrasonography, Young women
Cite this article as: Gity M, Jafari M, Olfatbakhsh A, Rezaei Kalantari K, Hashemi E, Sari F. Assessment of Ultrasound Features and BI-RADS Categories of Malignant Breast Masses in Women ≤40. Arch Iran Med. 2021;24(5):383-389. doi: 10.34172/aim.2021.55
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Submitted: 13 Nov 2019
Accepted: 27 Feb 2021
ePublished: 01 May 2021
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