Volume 39, Issue 10 pp. 2059-2070
Original Research

Predicting Axillary Lymph Node Metastasis in Patients With Breast Invasive Ductal Carcinoma With Negative Axillary Ultrasound Results Using Conventional Ultrasound and Contrast-Enhanced Ultrasound

An-Qi Zhu MD

An-Qi Zhu MD

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, Shanghai, China

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

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Xiao-Long Li MD

Xiao-Long Li MD

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, Shanghai, China

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

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Li-Wei An PhD

Li-Wei An PhD

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, Shanghai, China

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

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Le-Hang Guo MD

Le-Hang Guo MD

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, Shanghai, China

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

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Hui-Jun Fu MD

Hui-Jun Fu MD

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

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Li-Ping Sun MD, PhD

Li-Ping Sun MD, PhD

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, Shanghai, China

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

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Hui-Xiong Xu MD, PhD

Corresponding Author

Hui-Xiong Xu MD, PhD

Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, Shanghai, China

Thyroid Institute Tongji University School of Medicine, Shanghai, China

Shanghai Center for Thyroid Diseases, Shanghai, China

Address correspondence to Hui-Xiong Xu, MD, PhD, Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Tongji University School of Medicine, 301 Yanchang Middle Rd, 200072 Shanghai, China. E-mail: [email protected]Search for more papers by this author
First published: 05 May 2020
Citations: 15
This work was supported in part by the National Natural Science Foundation of China (grants 81927801 and 81725008), Fundamental Research Funds for the Central Universities (grant 22120190213), Shanghai Municipal Health Commission (grants 2019LJ21 and SHSLCZDZK03502), and Science and Technology Commission of Shanghai Municipality (grants 19441903200 and 19DZ2251100). Drs Zhu and Li contributed equally to this work

Abstract

Objectives

The purpose of this study was to establish a scoring system for predicting axillary lymph node metastasis (ALNM) in patients with breast invasive ductal carcinoma with negative axillary ultrasound (US) results.

Methods

In this retrospective study, 156 breast invasive ductal carcinoma lesions from 156 women were retrospectively enrolled. The features of conventional US and contrast-enhanced ultrasound (CEUS) qualitative enhancement patterns and quantitative enhancement parameters were analyzed. Subsequently, a scoring system was created by a multivariate logistic regression analysis.

Results

The results found that 60 patients (38%) showed ALNM. A scoring system was defined as risk score = 1.75 × (if lesion size ≥20 mm) + 1.93 × (if uncircumscribed margin shown on conventional US) + 1.77 × (if coarse or twisting penetrating vessels shown on CEUS). When the risk scores were less than 1.75, 1.75 to 1.93, 1.94 to 3.70, and 3.70 or higher, the risk rates of ALNM were 0% (0 of 9), 10.7% (5 of 46), 29.2% (14 of 48) and 77.4% (41 of 53), respectively. In comparison with conventional US alone, the scoring system using the combination of conventional US and CEUS showed better discrimination ability in terms of the area under the curve (0.830 versus 0.777; P = .037).

Conclusions

A scoring system based on conventional US and CEUS may improve the prediction of ALNM.

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