Is There Any Correlation Between MRI Features of Breast Lesions of BI-RADs Category 4 with Histopathologic Results?

AUTHORS

Ghazaleh Soofi , *

How to Cite: Soofi G. Is There Any Correlation Between MRI Features of Breast Lesions of BI-RADs Category 4 with Histopathologic Results?, Iran J Radiol. Online ahead of Print ; 14(Special Issue):e48045. doi: 10.5812/iranjradiol.48045.

ARTICLE INFORMATION

Iranian Journal of Radiology: 14 (Special Issue); e48045
Published Online: April 12, 2017
Article Type: Abstract
Received: December 20, 2016
Accepted: February 7, 2017
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Abstract

Objectives: To evaluate the correlation of MRI features of breast lesions of BI-RADs category 4 with histopathologic results.

Methods: In a prospective study between December 2013 and April 2015, patients with suspicious mammographic and/or ultrasound findings referred for Breast MRI were evaluated. All the breast MRI were interpreted by a trained radiologist. Patients with lesions of BI-RADs category 4 were enrolled with written informed consent. In each patient mass lesion (ML) or non-mass lesion (NML) were determined. In patients with ML, shape (irregular or microlobulated), border (ill-defined or spiculated), contrast media distribution (inhomogenous or ring enhancement), initial and post initial contrast enhancement (strong enhancement, rapid, plateau, or continuous washout) were assessed. In patients with NML, pattern of enhancement (focal, linear, ductal, segmental or heterogeneous regional) was assessed. A Follow up program were taken with mean 3 to 12 months. The patients which underwent core needle biopsy or open biopsy were summoned.

Results: 81 females aged 24 to 67 years (mean 43 9.2) met the inclusion criteria and had adequate samples for histopathologic study. 28 (34%) patients had ML, 46 (56.8%) patients had NML and 7 (8.6%) had both ML and NML. Rate of normal result, epithelial hyperplasia, fibrocystic changes, fibroadenoma, papilloma, atypical hyperplasia, mixed fibrocystic changes and atypical hyperplasia, ductal carcinoma in situ, and invasive carcinoma were 2.5%, 12.3%, 19.8%, 8.6%, 3.7%, 19.8%, 4.9%, 14.8%, and 13.6%, respectively. In statistical analysis none of the MRI features has significant correlation with any specific histopathologic diagnosis.

Conclusions: This study showed that a wide spectrum of histopathologic results are seen in BI-RADs category 4. However, in this sample volume none of the MRI features in this BIRADs category has significant correlation with any specific histopathologic diagnosis.

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© 2017, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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