PMC3354359_01
Gray-scale USG shows hepatomegaly with diffusely increased echogenicity and a well-defined predominantly hypoechoic mass (arrows) in segment VI of the right lobe of the liver
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F1
USG study of the abdomen showed hepatomegaly with diffusely raised echogenicity and a 7.5 x 4.5 cm-sized, well-defined, hypoechoic mass lesion in segment VI of the right lobe of the liver [Figure 1].
Axial precontrast CT scan of the abdomen shows hepatomegaly with diffusely low attenuation of the liver and a well-circumscribed, low-attenuation, subcapsular focal lesion (arrow) in segment VI of the right lobe. Note the bilateral small renal calculi (arrowheads)
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F2
CT scan of the abdomen showed hepatomegaly with diffuse low attenuation of the liver and a 7.5 x 4.5 x 4.8 cm well-circumscribed, low-attenuation, subcapsular focal lesion in segment VI of the right lobe; this lesion showed mild to moderate heterogeneous contrast enhancement and had a nonenhancing area within it [Figures 2 and 3]. Multiple small bilateral renal calculi were also noted [Figure 2].
Axial contrast-enhanced CT scan of the abdomen shows capsular enhancement (arrow) with mild to moderate heterogenous contrast enhancement of the tumor (arrowhead); there is a nonenhancing area within the tumor as well
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F3
CT scan of the abdomen showed hepatomegaly with diffuse low attenuation of the liver and a 7.5 x 4.5 x 4.8 cm well-circumscribed, low-attenuation, subcapsular focal lesion in segment VI of the right lobe; this lesion showed mild to moderate heterogeneous contrast enhancement and had a nonenhancing area within it [Figures 2 and 3].
Histopathological picture of the adenoma shows the paucity of hepatocytes and bile ductules (arrows), with the presence of significant fatty change in the background liver (arrowhead), PAS stain
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F4
The specimen was sent for histopathological examination along with a small bit of liver tissue, which showed PAS-positive glycogen-rich hepatic cells, confirming glycogen deposition in the liver, while the lesion itself was confirmed to be a hepatic adenoma [Figure 4].