Intrahepatic biliary adenofibroma with vascular proliferation:a case report and literature review
WAN Cuixia
CHEN Xiangguang
Abstract：Objective Investigating the CT and MRI characteristics of intrahepatic biliary adenofibroma(BAF)to improve the understanding of this tumor.Methods We conducted a retrospective analysis of the CT and MRI findings from one case confirmed by pathology as BAF,alongside a review of relevant literature.Results The CT plain scan reveals a slightly hypodense mass in the right liver lobe,with poorly defined borders,and punctate calcifications within.On contrast-enhanced scans,the margins and internal septa of the lesion exhibited progressive marked enhancement,with some exhibiting vascular-like enhancement,while the cystic components show no enhancement.MRI demonstrated an abnormal signal mass in the right liver lobe,with unclear borders,multiple septa,and a honeycomb-like appearance.On T1-weighted imaging(T1WI),the mass showed slightly low to low signal intensity,while on T2-weighted imaging(T2WI),it displayed slightly high to high signal intensity.Diffusion-weighted imaging(DWI)indicated slightly high signal intensity,and the apparent diffusion coefficient(ADC)values were increased.On enhanced scans,the lesion's margins and septa showed progressive enhancement,with localized high signals during the hepatic-biliary phase.Conclusion BAF is a rare entity with distinctive imaging features that may aid in differentiating between benign and malignant lesions.A definitive diagnosis,however,requires pathological and immunohistochemical examination.
Keywords：LiverBiliary adenofibromaTomographyX-ray computedMagnetic resonance imaging
Publication Date：2024-11-15
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 739-742 )