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CASE REPORT article

Front. Med., 02 July 2025

Sec. Gastroenterology

Volume 12 - 2025 | https://doi.org/10.3389/fmed.2025.1540103

This article is part of the Research TopicAdvances in Medical Imaging for Precision Diagnostic and Therapeutic Applications in Digestive DiseasesView all 17 articles

Case Report: Successful application of endoscopic biliary accessories in a patient with complete esophageal stricture

Junjun Yan,&#x;Junjun Yan1,2Qiangming Liao&#x;Qiangming Liao3Bin Ding
Bin Ding1*
  • 1Jiujiang City Key Laboratory of Cell Therapy, Department of Gastroenterology, The First People’s Hospital of Jiujiang City, Jiujiang, China
  • 2Jiangxi Provincial Key Laboratory of Digestive Diseases, Jiangxi Clinical Research Center for Gastroenterology, Department of Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
  • 3Jiujiang City Key Laboratory of Cell Therapy, Department of Gastrointestinal Surgery, The First People’s Hospital of Jiujiang City, Jiujiang, China

The endoscopic treatment of complete esophageal stricture presents a huge challenge. In instances where the esophageal lumen is nearly obliterated, preventing the passage of a dilating guide wire, conventional endoscopic bougie dilation is often difficult to perform. We report a case of patients with nearly complete esophageal stricture due to esophageal cancer surgery, leading to severe dysphagia and weight loss. Our strategy began with the achievement of anterograde esophageal access, facilitated by a biliary intubation method and aided by a 0.35-inch guidewire. Subsequently, we sequentially applied biliary dilators and balloon dilators, progressing along the guidewire to incrementally dilate the esophageal lumen up to the site of complete stenosis. The stenosis was successfully penetrated and dilated, and eventually the patient’s dysphagia was completely relieved. This case underscores the efficacy of the novel endoscopic treatment for biliary appendices in patients with refractory esophageal anastomotic stricture, offering a new therapeutic approach for clinical management.

Introduction

Esophageal cancer postoperative anastomotic stricture is a prevalent complication that significantly impacts patients’ quality of life and prognosis. This condition can lead to debilitating symptoms such as dysphagia, regurgitation, and weight loss, adversely affecting the overall well-being of patients. Research indicates that esophageal strictures can be effectively treated using various endoscopic techniques (1). However, traditional management approaches may not always yield satisfactory outcomes, particularly in refractory cases. In this case, we report a successful pre-dilation of a refractory esophagogastric anastomotic stricture (EAS) using an endoscopic biliary guidewire and biliary dilation bougie, facilitating subsequent endoscopic treatment.

Case report

A 66-year-old man came to the hospital complaining of repeated and worsening dysphagia over the past two years. The patient had a medical history of hypertension and atrial fibrillation. In early 2005, he developed a primary squamous cell carcinoma in the esophageal, and therefore underwent partial esophagectomy with mediastinal lymph node dissection and cervical gastro-esophagogastrostomy. Following the surgical procedure, the patient experienced dysphagia. An upper gastrointestinal endoscopy revealed incomplete stenosis at the anastomosis site. The initial treatment focuses on dilating the anastomosis by using wire-guided rigid polyethylene dilators such as Savary-Gilliard to maintain the patient’s liquid diet. However, the patient’s dysphagia worsened due to the development of esophageal stricture post-radiotherapy for esophageal cancer. Prior to our intervention, esophageal dilatation and esophageal stent placement were attempted several times to relieve esophageal obstruction; however, these efforts were unsuccessful due to scar shrinkage and stent migration.

An endoscopic examination was performed using a 6 mm gastroscope under propofol sedation. The esophagogastric anastomosis was located 24 cm from the incisors, with the mucosa appearing smooth. Notably, due to scar constriction, the anastomosis was narrow and nearly occluded, making it challenging to pass even the finest guide wire (Figure 1A). A 0.035-inch wire guide (No. AG-5041-3545) was utilized. The “sliding” end is introduced through the biopsy channel of the upper endoscope and gently moved to pass through the narrow area of the anastomosis, using a technique like inserting a guide wire into the bile duct (Figure 1B).

Figure 1
Six-panel image showing endoscopic and fluoroscopic views. Panel A displays a narrowed airway. Panel B shows dilation beginning with a balloon. Panel C features a fluoroscopic view of the airway and balloon. Panel D highlights the airway post-dilation. Panel E offers a fluoroscopic view during balloon inflation. Panel F shows the airway after successful dilation.

Figure 1. (A) Endoscopic view of the esophageal anastomosis stricture before intervention. (B) The 0.035-inch guide wire was passed through the anastomosis. (C) Fluoroscopic view shows that the guide wire is visible into the gastric cavity and the displaced metal stent is visible in the gastric cavity. (D) The stenosis was dilated with a biliary dilator along the guide wire. (E) The stenosis was dilated to a diameter of 10 mm using a biliary balloon. (F) Endoscopic view of the esophageal anastomosis stricture after intervention.

Under both endoscopic and X-ray monitoring, the wire guide successfully penetrated the stenosis and entered the stomach (Figure. 1C). Subsequently, a papillary sphincterotomy knife (Model No. KD-V411M-0725) was advanced into the stomach along the guide wire. Contrast medium was injected to confirm the position of the cannula in the stomach under fluoroscopy. Following this, 8.5 F and 10 F biliary dilators were positioned along the guide wire for dilation and maintained for 2 min (Figure. 1D). A slight resistance was noted during the passage of the biliary dilator. Afterward, the esophagus was visualized with contrast to confirm the guide wire’s position, and the stenosis was dilated to a diameter of 10 mm using a balloon for 3 min, until the peak was eliminated (Figure 1E). Post-dilation, a minor amount of oozing blood was observed at the anastomosis site (Figure 1F).

Over the subsequent 6 weeks, dilation treatment was performed six times utilizing a Savary-Gilliard dilator (No. JHK15061301). Ultimately, endoscopy demonstrated that the esophageal stricture had significantly improved, allowing for the easy passage of a 9.8 mm endoscope (Figure 2), and the patient’s eating obstruction symptoms were completely resolved. There was no recurrence of stenosis noted upon endoscopy 4 weeks later.

Figure 2
Endoscopic view showing the interior of a hollow organ, possibly the esophagus, with smooth, pink tissue walls leading to a dark central opening. Light reflections are visible on the surface.

Figure 2. Endoscopic view of the anastomosis at 10 weeks after treatment.

Discussion

Esophageal strictures, particularly in patients with a history of esophagectomy and subsequent radiotherapy, present significant management challenges. Traditional therapeutic approaches, including endoscopic dilation, stent placement, and pharmacological treatments, frequently result in suboptimal outcomes, characterized by high recurrence rates and the potential for adverse complications. This case report explores the application of biliary accessories in the endoscopic management of complete EAS, highlighting the potential of this approach for managing complex cases.

The current literature emphasizes the increasing prevalence of dysphagia in post-esophagectomy patients, often due to complications such as anastomotic stricture and scarring from radiation therapy (2). Research indicates that esophageal strictures can be effectively treated using various endoscopic techniques, including endoscopic dilation, endoscopic incision, stent placement, and pharmacological therapy (1). Studies have shown that endoscopic bougie dilation is comparable to fluoroscopic balloon dilation in terms of safety and efficacy; however, bougie dilation may have a higher recurrence rate due to diameter limitations compared to balloon dilation (3). Endoscopic incision, which alleviates symptoms by radially or circumferentially incising the stricture scar, has been proven to be safe and effective (4). Stent placement serves as a temporary measure that can rapidly ameliorate dysphagia in patients, although its long-term efficacy and risk of complications warrant further evaluation (5). Pharmacological therapy, including the concurrent local injection of corticosteroids during dilation, aims to reduce scar formation and enhance the effectiveness of dilation (68). The choice of these therapeutic methods and their outcomes can vary among individuals.

Safe and effective dilation therapy is essential to relieve patient suffering and improve prognosis. For some patients with refractory EAS, it is difficult for the guide wire to pass through the stenosis segment, and blind insertion can easily cause tissue damage, bleeding, and even perforation (9). The current landscape of endoscopic treatment for refractory EAS highlights the limitations of traditional methods like Savary-Gilliard’s bougie dilation, which often yield suboptimal short-term and long-term outcomes (10). Combined antegrade retrograde dilation offers significant advantages in the management of EAS, including enhanced success rates, reduced complications, and greater flexibility. However, the technique also presents challenges such as technical complexity, longer procedural times, and higher costs (3). Endoscopic radial incision has shown superior efficacy and safety, with significantly higher effective rates and fewer complications, making it a promising alternative for managing refractory EAS (4, 11). Longitudinal incisions in the esophageal muscle can effectively reduce pressure at the stenotic site and restore patency of the esophagus. However, in the present case, the patient’s cardiovascular condition added an additional layer of risk. Furthermore, the presence of a metal stent and the complexity of the gastric anatomy posed significant challenges, necessitating an alternative approach.

In this case, a 66-year-old man with a history of esophageal cancer and radiotherapy presented with severe dysphagia due to EAS. Despite multiple attempts at dilation and stent placement, the stricture persisted and nearly completed, necessitating a novel approach. Biliary intubation and biliary dilation, originally designed to dilate biliary obstruction and stenosis, can navigate through narrow and complex anatomical structures, making them suitable for patients with distorted anatomy due to prior treatments. Previously, Ahlawat et al. (12) successfully used biliary accessories for antegrade dilation of complex upper esophageal strictures in head and neck cancer patients, significantly improving dysphagia and achieving long-term patency.

The use of biliary accessories, including a fine guide wire, papillary sphincterotomy, and biliary dilators, was employed to achieve successful dilation. This method minimizes the risk of complications such as perforation and bleeding, which are common with blind insertion of guide wires. Studies have shown that biliary accessory dilation can result in lower recurrence rates compared to traditional methods. However, there are also disadvantages to consider. The technique requires specialized skills and equipment, which may not be readily available in all clinical settings. The economic aspects, including the cost of biliary accessories and the potential for increased procedural time, should be considered.

Further research is warranted to validate the efficacy and broader applicability of this innovative technique in similar clinical scenarios. Technological advancements, such as more advanced imaging modalities and endoscopic ultrasound-guided precise dilation tools, could further improve the technique. Developing clinical guidelines to standardize the use of biliary accessories in the treatment of esophageal strictures is also essential.

Data availability statement

The original contributions presented in the study are included in the article/supplementary material, further inquiries can be directed to the corresponding author.

Ethics statement

Written informed consent was obtained from the individual(s) for the publication of any potentially identifiable images or data included in this article. Written informed consent was obtained from the participant/patient(s) for the publication of this case report.

Author contributions

JY: Conceptualization, Data curation, Funding acquisition, Writing – original draft, Writing – review & editing. QL: Data curation, Methodology, Validation, Writing – original draft. BD: Conceptualization, Supervision, Writing – review & editing.

Funding

The author(s) declare that financial support was received for the research and/or publication of this article. This work was supported by the Science and Technology Planning Project of Jiujiang City (Grant No. S2023ZDYFN468), Key Laboratory Project of Digestive Diseases in Jiangxi Province (2024SSY06101), Jiangxi Clinical Research Center for Gastroenterology (20223BCG74011), and Biobank of Jiujiang First People’s Hospital (2024BC0010).

Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Generative AI statement

The authors declare that no Gen AI was used in the creation of this manuscript.

Publisher’s note

All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.

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Keywords: anastomosis stenosis, biliary accessories, dilation, esophagectomy, case report

Citation: Yan J, Liao Q and Ding B (2025) Case Report: Successful application of endoscopic biliary accessories in a patient with complete esophageal stricture. Front. Med. 12:1540103. doi: 10.3389/fmed.2025.1540103

Received: 05 December 2024; Accepted: 16 June 2025;
Published: 02 July 2025.

Edited by:

Feng Shi, ShanghaiTech University, China

Reviewed by:

Leonidas Papastavrou, Athens Medical Center, Greece
Khachatur Badalyan, Head of the Department of Surgery and Modern Surgical Technologies, Armenia

Copyright © 2025 Yan, Liao and Ding. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

*Correspondence: Bin Ding, YmVtamFtaW5AMTYzLmNvbQ==

These authors have contributed equally to this work and share first authorship

Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.