| Project/Area Number |
10671211
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Digestive surgery
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| Research Institution | Osaka City University Medical School |
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Principal Investigator |
KINOSHITA Hiroaki Osaka City University Medical School, Second Department of Surgery, Professor, 医学部, 教授 (50047122)
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| Co-Investigator(Kenkyū-buntansha) |
KUBO Shoji Osaka City University Medical School, Second Department of Surgery, Instructor, 医学部, 講師 (80221224)
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| Project Period (FY) |
1998 – 1999
|
| Project Status |
Completed (Fiscal Year 1999)
|
| Budget Amount *help |
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 1999: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1998: ¥1,500,000 (Direct Cost: ¥1,500,000)
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| Keywords | hepatocellular carcinoma / multicentric carcinogenesis / intrahepatic metastasis / hepatitis C virus / hepatitis B virus |
|---|
| Research Abstract |
We evaluated clinicopathologic criteria for multicentric hepatocellular carcinoma (HCC) and identified risk factors for such carcinogenesis. One kind of multicentric HCC had at least one tumor consisting of well differentiated HCC, together with moderately or poorly differentiated HCC located in a separate region. The other kind had an area of well differentiated component around HCC with less differentiated in all occurrence. The risk factors include past history of blood transfusion, high value of 15-min indocyanine green retension test, high alanine aminotransferase activity, hyper-bilirubinemia, hepatitis C virus infection with or without past infection of hepatitis B virus. The risk increases as the progress in active hepatitis and hepatic fibrosis. Analysis of patterns of X-chromosome inactivation was useful for differentiation of multicentric carcinogenesis from intrahepatic metastasis. The cumulative survival rate was significantly higher in patients with multicentric HCCs than in patients with intrahepatic metastasis. The risk factors for multicentric reccurrence include low platelet count. The strategy for treatment for HCC should be based on the potential for hepatocarcinogenesis estimated by such risk factors.
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