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Continuing Medical Education (CME) for Doctors (232) e-Learning and Digital Medical Education (1694) Research Instruments, Questionnaires, and Tools (1256) Decision Support for Health Professionals (2405) Design and Usability of Medical Devices (248) mHealth for Screening (490)

Published on in Vol 12 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/86730, first published .
Medical professionals in white coats reviewing ultrasound images on tablets

A Competency Assessment Tool for Liver Contrast-Enhanced Ultrasound Among Sonography Trainees: Development and Multicenter Validation Study

A Competency Assessment Tool for Liver Contrast-Enhanced Ultrasound Among Sonography Trainees: Development and Multicenter Validation Study

Authors of this article:

Yanping Ma1 Author Orcid Image ;   Bowen Zheng1 Author Orcid Image ;   Jie Ren1 Author Orcid Image ;   Wen He2 Author Orcid Image ;   Lei Shang3 Author Orcid Image ;   Hui Wang4 Author Orcid Image ;   Gaiqin Xue5 Author Orcid Image ;   Fang Nie6 Author Orcid Image ;   Yanli Guo7 Author Orcid Image ;   Yukun Luo8 Author Orcid Image ;   Hongxia Zhang2 Author Orcid Image ;   Xuan Wang2 Author Orcid Image ;   Xiang Jing9 Author Orcid Image ;   Ruifang Zhang10 Author Orcid Image ;   Jianjun Yuan11 Author Orcid Image ;   Rong Wu12 Author Orcid Image ;   Xiaomao Luo13 Author Orcid Image ;   Fenglin Dong14 Author Orcid Image ;   Yan Luo15 Author Orcid Image ;   Qiang Lu15 Author Orcid Image ;   Jintang Liao16 Author Orcid Image ;   Pintong Huang17 Author Orcid Image ;   Qin Chen18 Author Orcid Image ;   Jia’an Zhu19 Author Orcid Image ;   Youfeng Xu20 Author Orcid Image ;   Xiaoyan Xie21 Author Orcid Image
Article Authors Cited by Tweetations Metrics

Yanping Ma   1 ;   Bowen Zheng   1 ;   Jie Ren   1 * ;   Wen He   2 * ;   Lei Shang   3 ;   Hui Wang   4 ;   Gaiqin Xue   5 ;   Fang Nie   6 ;   Yanli Guo   7 ;   Yukun Luo   8 ;   Hongxia Zhang   2 ;   Xuan Wang   2 ;   Xiang Jing   9 ;   Ruifang Zhang   10 ;   Jianjun Yuan   11 ;   Rong Wu   12 ;   Xiaomao Luo   13 ;   Fenglin Dong   14 ;   Yan Luo   15 ;   Qiang Lu   15 ;   Jintang Liao   16 ;   Pintong Huang   17 ;   Qin Chen   18 ;   Jia’an Zhu   19 ;   Youfeng Xu   20 ;   Xiaoyan Xie   21

1 Department of Medical Ultrasonics, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

2 Beijing Tiantan Hospital, Capital Medical University, Beijing, China

3 Department of Health Statistics, School of Preventive Medicine, Air Force Medical University, Xi'an, China

4 Department of Ultrasound, China-Japan Union Hospital of Jilin University, Jilin, China

5 Shanxi Provincial Cancer Hospital, Taiyuan, China

6 Lanzhou University Second Hospital, Lanzhou, China

7 The First Hospital Affiliated to AMU, Chongqing, China

8 Chinese PLA General Hospital, Beijing, China

9 Tianjin Third Central Hospital, Tianjin, China

10 First Affiliated Hospital of Zhengzhou University, Zhengzhou, China

11 Henan Provincial People's Hospital, Zhengzhou, China

12 Shanghai First People's Hospital, Shanghai, China

13 Yunnan Cancer Hospital, Kunming, China

14 First Affiliated Hospital of Soochow University, Soochow, China

15 West China Hospital of Sichuan University, Sihchuan, China

16 Xiangya Hospital Central South University, Changsha, China

17 Second Affiliated Hospital of Zhejiang University, Hangzhou, China

18 Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China

19 Peking University People's Hospital, Beijing, China

20 The Affiliated First Hospital of Ningbo University, Ningbo, China

21 The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China

*these authors contributed equally

Corresponding Author:

  • Jie Ren
  • Department of Medical Ultrasonics
  • Third Affiliated Hospital of Sun Yat-sen University
  • 600 Tianhe Road
  • Guangzhou 510630
  • China
  • Phone: 86 13925155583
  • Email: renj@mail.sysu.edu.cn