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目的探讨原发性肝癌检出率及危险因素。方法应用B超、彩色多普勒血流显像（CDFI）及三维彩色血管能量成像（3D－CPA）检查10，383例肝脏。结果正常组肝癌检出率为0．14％，脂肪肝组检出率为0．84％，慢性肝炎及HBV感染组检出率为10．56％，肝硬化组检出率为36．61％。与正常组比较，肝癌发生危险度在肝硬化组最高（RR＝261．5，95CI＝140．45～47914），依次为慢性肝炎、HBV感染组（RR＝75．43，95％CI＝40．21～137．53）及脂肪肝组（RR＝6．00，95％CI＝3．22～1836）。结论慢性肝炎、HBV感染、肝硬化中原发性肝癌发生危险度高；脂肪肝和慢性肝炎、HBV感染及肝硬化一样同属原发性肝癌的高危人群。
Objective To explore the detection rate and risk factors of primary liver cancer. Methods 10,383 livers were examined by B-ultrasonography, color Doppler flow imaging (CDFI) and three-dimensional color vascular energy imaging (3D-CPA). Results The detection rate of liver cancer in normal group was 0.14%, the detection rate in fatty liver group was 0.84%, the detection rate in chronic hepatitis and HBV infection group was 10.56%, and the detection rate in liver cirrhosis group was 36.61. %. Compared with the normal group, the risk of liver cancer was highest in the cirrhosis group (RR=261.5, 95CI=140.45 to 47914), followed by chronic hepatitis and HBV infection (RR=75.43, 95% CI=40). .21 to 137.53) and fatty liver group (RR=6.00, 95% CI=3.22 to 1836). Conclusions The risk of primary liver cancer is high in chronic hepatitis, HBV infection, and cirrhosis. Fatty liver and chronic hepatitis, HBV infection and cirrhosis are the same high risk population of primary liver cancer.