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Benign diseases of biliary tract system are classically divided into several categories according to a mechanistic etiology such as congenital anomalies, immune mediated, infection, and iatrogenic injury. Benign biliary diseases include a wide spectrum of abnormalities which demonstrate similar clinical, laboratory, and imaging findings but have different etiologies and hence treatment and prognosis. Ultrasound offers a first-line diagnostic tool. CT is also widely applied to detect biliary disease. While MRI/MRCP shows higher specificity for diagnosing and identifying diseases. ERCP can not only detect some very small stones or incarcerated stones in the ampulla, but also extract some bile and lesions for pathological examination. ERCP is an invasive examination that may lead to various potential serious complications. Benign disease can often be distinguished from malignant disease by a multimodality imaging approach. Key imaging features such as variant anatomy, biliary tract dilatation, cystic anomalies, biliary tract lithiasis, obstruction, and strictures may help radiologists make an accurate diagnosis. Imaging with MR/MRCP and CT with contrast provide morphological and functional features that aid radiologists in differential diagnosis and guiding providers with further management.

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Benign Diseases of Biliary Tract System

  • 工具书词条

  • 发表日期：

    2025年

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  • Xiaoping Yin,
  • Ningyang Jia,
  • Bailu Liu,
  • Liping Liu,
  • Yan Miao,
  • Yong Sun,
  • Liang Mao,
  • Yinglin Guo,
  • Shihong Ying,
  • Changlei Lyu,
  • Jianing Wang,
  • Yanan Yu,
  • Gaoyang Li,
  • Xiangtian Zhao,
  • Lianggeng Gong,
  • Yongmei Li,
  • Yanqiu Sun,
  • Zhou Liu,
  • Guanqiao Jin

摘要

Benign diseases of biliary tract system are classically divided into several categories according to a mechanistic etiology such as congenital anomalies, immune mediated, infection, and iatrogenic injury. Benign biliary diseases include a wide spectrum of abnormalities which demonstrate similar clinical, laboratory, and imaging findings but have different etiologies and hence treatment and prognosis. Ultrasound offers a first-line diagnostic tool. CT is also widely applied to detect biliary disease. While MRI/MRCP shows higher specificity for diagnosing and identifying diseases. ERCP can not only detect some very small stones or incarcerated stones in the ampulla, but also extract some bile and lesions for pathological examination. ERCP is an invasive examination that may lead to various potential serious complications. Benign disease can often be distinguished from malignant disease by a multimodality imaging approach. Key imaging features such as variant anatomy, biliary tract dilatation, cystic anomalies, biliary tract lithiasis, obstruction, and strictures may help radiologists make an accurate diagnosis. Imaging with MR/MRCP and CT with contrast provide morphological and functional features that aid radiologists in differential diagnosis and guiding providers with further management.