Xiao-Dan Zhu, Lin-Yu Zhou, Jian Jiang, Tian-An Jiang, Department of Ultrasound Medicine, The First Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310006, Zhejiang Province, China
Author contributions: Zhu XD drafted the manuscript, collected the data, and reviewed the literature; Zhou LY and Jiang J performed the histological examination and reviewed the manuscript; Jiang TA provided academic help, and critically reviewed the manuscript; All authors have confirmed and approved the final manuscript.
Supported by National Natural Science Foundation of China, No. 81971623, and No. 82027803.
Informed consent statement: Informed written consent was obtained from patients for publication of this report and any accompanying images.
Conflict-of-interest statement: The authors declare that they have no conflict of interest.
CARE Checklist (2016) statement: The authors have read the CARE Checklist(2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Tian-An Jiang, MD, Chief Physician, Director, Department of Ultrasound Medicine, The First Affiliated Hospital of Zhejiang University School of Medicine, No. 79 Qingchun Road, Hangzhou 310006, Zhejiang Province, China. firstname.lastname@example.org
Received: March 12, 2021
Peer-review started: March 12, 2021
First decision: June 24, 2021
Revised: July 5, 2021
Accepted: August 18, 2021
Article in press: August 18, 2021
Published online: October 6, 2021