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Future Outcome of Sonography BI-RADS Category 3 Lesions

AUTHORS

Afsaneh Alikhassi 1 , *

1 Tehran University of Medical Sciences, Tehran, Iran

How to Cite: Alikhassi A. Future Outcome of Sonography BI-RADS Category 3 Lesions, Iran J Radiol. Online ahead of Print ; 14(Special Issue):e47968. doi: 10.5812/iranjradiol.47968.

ARTICLE INFORMATION

Iranian Journal of Radiology: 14 (Special Issue); e47968
Published Online: April 12, 2017
Article Type: Abstract
Received: December 20, 2016
Accepted: February 7, 2017
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Abstract

Objectives: This study aims to find the frequency and the malignancy rate of BI-RADS category 3 lesions detected on screening breast ultrasound and to evaluate whether they fullfilled the requirements of the latest American college of radiology imaging and reporting system.

Methods: Of 500 asymptomatic women who came to our center for screening sonography themselves or referred by their clinician, patients for whom BI-RADS category 3 lesions were seen on the ultrasound were selected. Clinical outcome of these lesions using one year follow up, biopsy or a combination of both were evaluated.

Results: The frequency of BI-RADS category 3 lesions detected on screening ultrasound was 18% (90/500). Of these patients, one was eventually proven to have malignancy with malignancy rate of 1.1%. This detected malignancy was early breast cancer with no lymph node metastasis.

Conclusions: Although the frequency of ultrasound BI-RADS category 3 lesions is considerably high (18 %), the malignancy rate is low (1.1%). Therefore careful assessment and follow up of BI-RADS category 3 can avoid unnecessary biopsy or surgery.

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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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