Copyright
©The Author(s) 2019. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Nov 6, 2019; 7(21): 3615-3621
Published online Nov 6, 2019. doi: 10.12998/wjcc.v7.i21.3615
Published online Nov 6, 2019. doi: 10.12998/wjcc.v7.i21.3615
Adenomyoma of the distal common bile duct demonstrated by endoscopic ultrasound: A case report and review of the literature
Li-Ming Xu, Duan-Min Hu, Department of Gastroenterology, The Second Affiliated Hospital of Soochow University, Suzhou 215004, Jiangsu Province, China
Wen Tang, Endoscopy Center, The Second Affiliated Hospital of Soochow University, Suzhou 215000, Jiangsu Province, China
Shao-Hua Wei, Wei Chen, Department of Hepatological Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215000, Jiangsu Province, China
Guang-Qiang Chen, Imaging Department, The Second Affiliated Hospital of Soochow University, Suzhou 215000, Jiangsu Province, China
Author contributions: Xu LM was responsible for interpretation of the clinical data and drafting of the manuscript; Hu DM conceived the case report and revised the manuscript; Tang W revised the manuscript for important intellectual content; Wei SH and Chen W were in charge of the operation; Chen GQ provided the figures showing the computed tomography and magnetic resonance imaging findings.
Supported by The Program for Diagnostic and Therapeutic Technique of Clinically Important Disease in Suzhou , No. LCZX201707 ; and Program for GUSU Medicine Talents , No. GSWS2019012 .
Informed consent statement: Written informed consent was obtained from the patient.
Conflict-of-interest statement: The authors declare no conflicts 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).
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (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: Duan-Min Hu, PhD, Chief Doctor, Director, Department of Gastroenterology, The Second Affiliated Hospital of Soochow University, No. 1055, Sanxiang Road, Suzhou 215004, Jiangsu Province, China. huduanmins@126.com
Telephone: +86-512-66784805
Received: July 4, 2019
Peer-review started: July 16, 2019
First decision: September 9, 2019
Revised: September 20, 2019
Accepted: October 5, 2019
Article in press: October 5, 2019
Published online: November 6, 2019
Peer-review started: July 16, 2019
First decision: September 9, 2019
Revised: September 20, 2019
Accepted: October 5, 2019
Article in press: October 5, 2019
Published online: November 6, 2019
Core Tip
Core tip: The distal common bile duct is an extremely rare site of adenomyomatous hyperplasia. Diagnosis is usually based on imaging findings, and endoscopic biopsy is difficult before operation. We present here a rare case of adenomyomatous hyperplasia of the distal common bile duct demonstrated by endoscopic ultrasound, which revealed a nodular change and bile duct wall thickening. We concluded that the mass was a benign, non-neoplastic lesion. This case highlights how endoscopic ultrasound may be a useful choice for the diagnosis of adenomyoma of the distal common bile duct, especially in patients with ambiguous magnetic resonance cholangiopancreatography/computed tomography findings.