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Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2020, Vol. 17 ›› Issue (01): 33-38. doi: 10.3877/cma.j.issn.1672-6448.2020.01.007

Special Issue:

• Superficial Parts Ultrasound • Previous Articles     Next Articles

Localization of breast lesions using magnetic resonance imaging/ultrasound image fusion virtual navigation technology: a preliminary study

RuiXiang Qi1, Jianhua Fang1, Luoxi Zhu1, Yanna Shan2, Wei Wang1, Jingjing Xiang3, Lingyun Bao1,()   

  1. 1. Department of Ultrasound, Affiliated Hangzhou First People′s Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
    2. Department of Radiology, Affiliated Hangzhou First People′s Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
    3. Department of Pathology, Affiliated Hangzhou First People′s Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
  • Received:2019-09-07 Online:2020-01-01 Published:2020-01-01
  • Contact: Lingyun Bao
  • About author:
    Corresponding author: Bao Lingyun, Email:

Abstract:

Objective

The purpose of our study was to evaluate the clinical utility of virtual navigation for magnetic resonance imaging (MRI)-detected incidental breast lesions.

Methods

Between June 2016 and December 2018, 21 consecutive patients with 22 BI-RADS category 4 or above lesions that were detected on MRI but occult on second-look ultrasound (US) were enrolled in the study. All suspicious lesions were localized by using US/MRI fusion virtual navigation, and then underwent US-guided biopsy or surgical excision. The detection rate was calculated by comparing pre-/post-operation MRI and pathological results. The MRI features and pathological types of these lesions were analyzed.

Results

A total of 20 lesions were successfully localized using virtual navigation and underwent US-guided biopsy or localization, and the detection rate of virtual navigation was 91%. Eighteen (90%) lesions were proved to be benign lesions, and two (10%) proved to be malignant lesions by pathology. Of the 22 MRI-detected lesions, 20 (91%) manifested as non-mass enhancements and only two (9%) were masses.

Conclusion

Real-time US/MRI fusion virtual navigation can be an effective method for the evaluation of MRI-detected lesions that are not visible on US.

Key words: Virtual navigation, Breast lesion, Magnetic resonance imaging, Ultrasonography

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