Congenital Cystic Lesions of the Bile Ducts: Imaging-Based Diagnosis |
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| Institution: | 1. Department of Radiology, Vancouver General Hospital, Vancouver, British Columbia, Canada;2. Department of Radiological Sciences, University of California Los Angeles, Los Angeles, CA;1. Department of Radiology, University of Missouri, Columbia, MO.;2. Department of Radiology, University of Texas Health Science Center, San Antonio, TX.;3. Department of Radiology, University of Texas Southwestern Medical Centre, Dallas, TX.;4. Department of Radiology, Medical College of Wisconsin, Wauwatosa, WI.;1. Department of Radiology, Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, PA;2. Department of Radiology, Pennsylvania Hospital, University of Pennsylvania Health System, University of Pennsylvania, Philadelphia, PA;3. Department of Radiology, University of Pennsylvania, Philadelphia, PA;1. Department of Internal Medicine, Augusta University, Augusta, GA;2. Department of Radiology, Allegheny Health Network, Pittsburgh, PA;3. Department of Family Medicine, Allegheny Health Network, Pittsburgh, PA |
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| Abstract: | Congenital cystic lesions of the bile ducts represent a spectrum of liver and biliary system lesions, resulting from abnormal embryologic development of the ductal plate. These disorders include Caroli disease, choledochal cysts, autosomal dominant polycystic liver disease, congenital hepatic fibrosis, and biliary hamartomas. Each disorder carries a peculiar clinical presentation, prognosis, and risk of complications. Knowledge of radiological findings of fibropolycystic liver diseases is crucial for their appropriate detection and for differential diagnosis with other similar hepatic cystic lesions, in order to avoid relevant misdiagnosis. The aim of this review is to provide an illustrative summary of the most relevant imaging findings of these conditions as encountered on ultrasound, computed tomography, and magnetic resonance imaging, and provide pearls for imaging-based differential diagnosis. |
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