4Lim JH, Choi DC, Kim SH, et al. Detection of hepatocellular carcinoma: value of adding delayed hase imaging to dual-phase helical CT[J]. AJR, 2002, 179: 67-73.
5Kim T, Baron RL, Nalesnik MA. Infarcted regenerative nodules in cirrhosis CT and MR imaging findings with pathologic correlation[J]. AJR, 2000, 175:1121-1125.
6Nino M M,Olcott E W,Jefferey R B,et al. Focal liver lesions: Pattern--based classification scheme for enhancement at arterial phase CT. Radiology,2000,215.746-751.
7Terayama N,Ferada T,Nakanuma Y. A morphometric and immunohistochemical study on anglogenesis of human metastatic carcinomas of the liver. Hepatology,1996,24:816-819.
8Gonda T,Lshida H,Yoshinaga K,et al. Microvasculature of small liver metastases in rats. J Surg Res,2000,94:43-48.
9Semelka R C, Martin D R, Balci C,et al. Focal liver lesions: comparison of dual-phase CT and multiplanar MR imaging including dynamic gadolinium enhancement. J Magn Reson Imaging, 2001,13 : 397-401.
10Martin K,Fabian K, Marco E,et al. Low mechanical index contrast enhanced ultrasound better reflects high arterial perfusion of liver metastases than arterial phase computed tomography.Invest Radiology, 2004,39 : 216-222.
