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case_images: (A, B) Abdominal contrast-enhanced computed tomography (CT) showed the atrophic left hepatic lobe and enlarged spleen.
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case_images: Abdominal contrast-enhanced computed tomography (CT) suggested the atrophic left hepatic lobe and enlarged spleen (Figures 1A, B).
case_images: (A, B) Liver biopsy showed slight inflammation and cholestasis without fibrosis/cirrhosis.
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case_images: Additionally, liver biopsy showed slight inflammation and cholestasis, but no evidence of fibrosis/cirrhosis was observed (Figures 2A, B).
case_images: CT angiography (CTA) with three-dimensional reconstruction of portal system demonstrated severe stenosis of main portal vein (A, arrow). Portal vein stenosis (B) was relieved with portal venous angioplasty by balloon dilation (C).
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case_images: Later, CT angiography (CTA) with three-dimensional reconstruction of portal system demonstrated severe stenosis of main portal vein (Figure 3A, arrow), which failed to extend branches supplying the left hepatic lobe. Portal venous angioplasty by balloon dilation (8-mm, 10-mm, sequentially) was performed thereafter, with collateral varices embolized by spring coils to prevent rebleeding (Figures 3B, C).
case_images: Portal venography showed severe stenosis of the portal vein at the hepatic hilum (A). One 8-mm x 40-mm bare metal stent was placed across the stenosis, allowing rapid portal inflow into the liver and decompression of the large collateral varices (B).
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case_images: Then portal venography via percutaneous transhepatic approach was performed, showing that the portal vein had undergone severe stenosis that nearly occluded it at the hepatic hilum (Figure 4A). To relieve the portal venous stenosis, an 8-mm x 40-mm bare metal stent was placed across the stenosis, resulting in rapid portal inflow into the liver and decompression of the large collateral varices (Figure 4B).