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Observational Study
. 2020 Jun;83(6):571-576.
doi: 10.1097/JCMA.0000000000000284.

Specific liver volume parameters in cirrhotic patients with peribiliary cysts

Hsuen-En Hwang  1 , Nai-Chi Chiu  1   2 , Chien-An Liu  1   2 , Yi-Hong Chou  1   2 , Rheun-Chuan Lee  1   2
Affiliations
Observational Study

Specific liver volume parameters in cirrhotic patients with peribiliary cysts

Hsuen-En Hwang et al. J Chin Med Assoc. 2020 Jun.

Abstract

Background: The presence of peribiliary cysts and morphological changes in the volumes of lobes in the livers of patients with cirrhosis are both related to the alteration of portal flow. Our study explored the relationship between these two features in patients with cirrhosis.

Methods: We retrospectively selected 150 computed tomography (CT) images of cirrhotic livers and 105 CT images of healthy livers. The cirrhotic livers were further classified according to the presence of peribiliary cysts (peribiliary cysts group) or the absence of peribiliary cysts (control cirrhotic group). The characteristic features of liver cirrhosis, including modified caudate-right lobe ratio (mCR ratio), splenomegaly, ascites, and collateral shunts, were reviewed. Liver volume calculations included the sum of the left hepatic volume (LHV) and right hepatic volume (RHV; LHV + RHV) and the ratio of LHV to RHV (LHV/RHV).

Results: The two groups did not differ in the presence of splenomegaly, ascites, or collateral shunts. The control cirrhotic group exhibited a significantly higher mCR ratio and LHV/RHV ratio than the peribiliary cysts group did (p < 0.001). The healthy liver group exhibited a significantly higher LHV + RHV value than either the peribiliary cysts group or the control cirrhotic group did (p < 0.001). The peribiliary cysts group and the control cirrhotic group did not differ significantly for LHV + RHV (p > 0.05).

Conclusion: The control cirrhotic group exhibited a significantly higher mCR ratio and LHV/RHV ratio than the peribiliary cysts group did, but the two groups were similar for most measurements. Peribiliary cysts might result in reduction of portal flow, causing cirrhotic liver with peribiliary cysts with left-sided dominance not to demonstrate the typical morphological appearance of the common cirrhotic liver.

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References

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