PMC5338872_01
US examination shows a hypoechoic lesion with solid and cystic components having millimetric calcifications (arrow) at the level of the portal hilus in the liver (A, B). It also shows a mild dilation of the intrahepatic bile ducts at segment V of the liver, increased periportal thickness, and decreased echogenicity in the adjacent parenchyma (arrow) (C, D).
poljradiol-82-110-g001.jpg
PMC5338872_01_poljradiol-82-110-g001.jpg
f1-poljradiol-82-110
The patient was referred to our department for abdominal ultrasonography (US), which revealed a 4x3 cm heterogeneous, hypoechoic lesion in the liver, adjacent to the portal hilus; cystic and solid components and millimetric calcifications were also observed (Figure 1A, 1B). Intrahepatic bile ducts in the area from the portal hilus to segment V were slightly dilated with an increased periportal thickness and decreased echogenicity in the adjacent parenchyma (Figure 1C, 1D).
MR imaging shows a heterogeneous hypointense lesion at the level of the portal hilus in the liver on axial T1 fat-suppressed sequences.
poljradiol-82-110-g002.jpg
PMC5338872_01_poljradiol-82-110-g002.jpg
f2-poljradiol-82-110
MRI/MRCP revealed a lesion at the level of the portal hilus, which was heterogeneous and hypointense on T1A sequences as well as heterogeneous and hyperintense with low-signal areas on T2A sequences with no contrast-enhancement (Figures 2-5).
MR imaging shows a heterogeneous hyperintense lesion at the level of the portal hilus in the liver on axial T2 fat-suppressed sequences.
poljradiol-82-110-g003.jpg
PMC5338872_01_poljradiol-82-110-g003.jpg
f3-poljradiol-82-110
MRI/MRCP revealed a lesion at the level of the portal hilus, which was heterogeneous and hypointense on T1A sequences as well as heterogeneous and hyperintense with low-signal areas on T2A sequences with no contrast-enhancement (Figures 2-5).
MR imaging shows a heterogeneous hypointense lesion hilus in the liver on coronal T1 fat-suppressed sequences.
poljradiol-82-110-g004.jpg
PMC5338872_01_poljradiol-82-110-g004.jpg
f4-poljradiol-82-110
MRI/MRCP revealed a lesion at the level of the portal hilus, which was heterogeneous and hypointense on T1A sequences as well as heterogeneous and hyperintense with low-signal areas on T2A sequences with no contrast-enhancement (Figures 2-5).
MRCP images show a high-signal lesion, focal dilatation in the intrahepatic bile ducts, and fluid (in the right) around the gallbladder.
poljradiol-82-110-g005.jpg
PMC5338872_01_poljradiol-82-110-g005.jpg
f5-poljradiol-82-110
MRI/MRCP revealed a lesion at the level of the portal hilus, which was heterogeneous and hypointense on T1A sequences as well as heterogeneous and hyperintense with low-signal areas on T2A sequences with no contrast-enhancement (Figures 2-5). A slight dilation was observed in the intrahepatic bile ducts at the level of segment V, as well as a signal change in adjacent parenchyma on T2A and contrast sequences (Figures 5-7).
MR imaging shows a heterogeneous hyperintense lesion with a low signal in its periphery and mildly dilated adjacent intrahepatic bile ducts at the level of segment V on coronal T2 fat-suppressed sequences.
poljradiol-82-110-g006.jpg
PMC5338872_01_poljradiol-82-110-g006.jpg
f6-poljradiol-82-110
A slight dilation was observed in the intrahepatic bile ducts at the level of segment V, as well as a signal change in adjacent parenchyma on T2A and contrast sequences (Figures 5-7).
Axial and coronal contrast-enhanced fat-suppressed T1 MRI sequences show no contrast enhancement in the lesion, a fine fistula (black arrow) between the lesion and the intrahepatic bile ducts at the level of segment V, and mild dilatation in the intrahepatic bile ducts.
poljradiol-82-110-g007.jpg
PMC5338872_01_poljradiol-82-110-g007.jpg
f7-poljradiol-82-110
A slight dilation was observed in the intrahepatic bile ducts at the level of segment V, as well as a signal change in adjacent parenchyma on T2A and contrast sequences (Figures 5-7). A fine fistula between the mass lesion and the adjacent intrahepatic bile duct was hardly distinguishible on thinner sections (Figure 7).