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Development of Hepatic Steatosis After Pancreatoduodenectomy

Ryohei Nomura1, Yoichi Ishizaki1, Kazuhiro Suzuki2 and Seiji Kawasaki1

1 Department of Hepatobiliary-Pancreatic Surgery, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan.
2 Department of Radiology, Juntendo University School of Medicine, Tokyo, Japan.


Figure 1
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  		Fig. 1 —56-year-old man with pancreatic cancer. CT scan shows areas used to calculate liver-to-spleen CT attenuation value ratios. Hepatic and splenic attenuation values were measured on unenhanced CT scans by use of four regions of interest in liver and one in spleen.

 

Figure 2
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  		Fig. 2 —Graph shows correlation between liver-to-spleen attenuation ratio (CTL/S) and difference between liver and spleen attenuation (CTL–S).

 

Figure 3
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  		Fig. 3A —83-year-old woman with representative CT findings of hepatic steatosis after pancreatoduodenectomy. Unenhanced abdominal CT image obtained before pancreatoduodenectomy shows normal homogeneous hepatic CT attenuation, which is slightly higher than spleen attenuation (liver-to-spleen attenuation ratio, 1.257; difference between liver and spleen attenuation, 12.16).

 

Figure 4
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  		Fig. 3B —83-year-old woman with representative CT findings of hepatic steatosis after pancreatoduodenectomy. Unenhanced abdominal CT image obtained 6 months after pancreatoduodenectomy shows marked decrease in hepatic attenuation (liver-to-spleen attenuation ratio, –0.0901; difference between liver and spleen attenuation, –55.78).

 

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