<p>Choledochal cysts are congenital anomalies of the bile ducts that are most often diagnosed in the pediatric population but are increasingly being detected in adults presenting with complications related to an underlying cyst burden and biliary malignancy. The Modified Todani Classification is commonly used to subdivide choledochal cysts into five groups based on anatomical locations and morphological characteristics. Magnetic resonance imaging (MRI) and magnetic resonance cholangiopancreatography (MRCP) demonstrate high diagnostic performance for choledochal malformations and early detection of cyst complications. MRI and MRCP are crucial for preoperative planning to delineate anatomy and exclude malignant transformation. This pictorial review will illustrate the spectrum of MR imaging for Todani classification of bile duct cysts and describe the various complications of choledochal cysts in adults.</p>

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Choledochal cysts in adults: magnetic resonance imaging of cyst complications and review of management strategies

  • Stephane Chartier,
  • Hina Arif-Tiwari,
  • Shahad Al-Bayati,
  • Michelle Anthony,
  • Martin Dufwenberg,
  • Gebran Abboud,
  • Mohammad Khreiss

摘要

Choledochal cysts are congenital anomalies of the bile ducts that are most often diagnosed in the pediatric population but are increasingly being detected in adults presenting with complications related to an underlying cyst burden and biliary malignancy. The Modified Todani Classification is commonly used to subdivide choledochal cysts into five groups based on anatomical locations and morphological characteristics. Magnetic resonance imaging (MRI) and magnetic resonance cholangiopancreatography (MRCP) demonstrate high diagnostic performance for choledochal malformations and early detection of cyst complications. MRI and MRCP are crucial for preoperative planning to delineate anatomy and exclude malignant transformation. This pictorial review will illustrate the spectrum of MR imaging for Todani classification of bile duct cysts and describe the various complications of choledochal cysts in adults.