Zhonghua zhong liu za zhi [Chinese journal of oncology] · 2001
[Study of the route of intrahepatic metastasis of primary hepatic carcinoma].
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Dong L, Liu W, Zhao X
Аннотация
OBJECTIVE: To study the relationship between pylic countercurrent blood-flow and intrahepatic metastasis of hepatocarcinoma.
METHODS: Portal vein-hepatic artery fistula and pylic countercurrent blood flow in the liver were examined by color Doppler ultrasound. Patients examined were divided into four groups: group 1, hepatocarcinoma with background of hepatitis, group 2, hepatocarcinoma without background of hepatitis, group 3, hepatitis and group 4, normal liver.
RESULTS: Pylic countercurrent flood flow was most frequently observed in group 1 patients. Intrahepatic metastasis was more frequent in group 1 than in group 2 patients. There was no statistically significant difference in the frequency of portal vein-hepatic artery fistula formation around and inside of tumor between group 1 and group 2 patients.
CONCLUSION: Intrahepatic metastasis of hepatocarcinoma is due to countercurrent blood flow in the portal system.
METHODS: Portal vein-hepatic artery fistula and pylic countercurrent blood flow in the liver were examined by color Doppler ultrasound. Patients examined were divided into four groups: group 1, hepatocarcinoma with background of hepatitis, group 2, hepatocarcinoma without background of hepatitis, group 3, hepatitis and group 4, normal liver.
RESULTS: Pylic countercurrent flood flow was most frequently observed in group 1 patients. Intrahepatic metastasis was more frequent in group 1 than in group 2 patients. There was no statistically significant difference in the frequency of portal vein-hepatic artery fistula formation around and inside of tumor between group 1 and group 2 patients.
CONCLUSION: Intrahepatic metastasis of hepatocarcinoma is due to countercurrent blood flow in the portal system.