Year 2025 / Volume 117 / Number 8
Letter
Diagnostic significance of EyeMAX™ in diagnosing patients with a tumor in the terminal end of the common bile duct

463-464

DOI: 10.17235/reed.2024.10672/2024

Zhi-Chao Yu, Rui-Yue Shi, Qin Yan, Jun Yao, Li-Sheng Wang, Ben-Hua Wu,

Abstract
A biliary stricture is an abnormal narrowing in the ductal drainage system of the liver. There are many etiologies of biliary stricture, the most common and ominous of which is malignancy, either primary or metastatic.It is difficult to obtain pathological tissue of the terminal end of the common bile duct. A 72-year-old woman, complained of abdominal pain for 2 months, underwent cholecystectomy for acute cholecystitis 11 years ago. Abdominal CT and MRI examination revealed soft tissue occupation (12*8 mm) in the duodenal papillary area, and endoscopic ultrasonography revealed a hypoechoic lesion (11.1*10.7 mm) in the ampulla. We performed ERCP, and intraoperative biliary cell brushing on the patient, but no positive pathological results were obtained. We further performed novel 9F digital single operator cholangioscopy system (DSOC) (eyeMAX, Micro-Tech, Nanjing, China) and observed intraoperative hyperemia and edema of the mucosa in the terminal end of the common bile duct, presenting fish-like changes with mucous attachment and clear lesion boundaries. The pathological results suggested cholangiocarcinoma.
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References
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Yu Z, Shi R, Yan Q, Yao J, Wang L, Wu B, et all. Diagnostic significance of EyeMAX™ in diagnosing patients with a tumor in the terminal end of the common bile duct. 10672/2024


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Publication history

Received: 22/07/2024

Accepted: 20/08/2024

Online First: 05/09/2024

Published: 24/07/2025

Article Online First time: 45 days

Article editing time: 367 days


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