Kim T, Oi H, Murakami T, Matsushita M, Kishimoto H, Takashima S, Nakamura H, Kozuka T
Department of Radiology, Osaka Teishin Hospital.
Nihon Igaku Hoshasen Gakkai Zasshi. 1995 Apr;55(5):296-9.
Thirty-one cases of small hepatocellular carcinoma (HCC) under 3 cm in diameter underwent Spiral CT with bolus injection of contrast medium (Dynamic Spiral CT). Dynamic Spiral CT was compared with CT after intra-arterial injection of iodized oil (Lipiodol-CT). The detectability of 79 nodules of small HCC on early phase images of Dynamic Spiral CT was 49.4% (32.6% for those under 1 cm in diameter, 58.3% for 1-2 cm, 91.7% for 2-3 cm). The detectability of small HCCs above the hilum of the liver was better than that below the hilum. Five lesions were detected only on delayed CT images, but not on early phase CT images. Dynamic Spiral CT is useful for detecting hypervascular small HCCs, and both early phase and delayed CT images must be obtained.
31例直径小于3cm的小肝细胞癌（HCC）患者接受了经静脉团注造影剂的螺旋CT检查（动态螺旋CT）。将动态螺旋CT与经动脉注射碘油后的CT（碘油CT）进行比较。动态螺旋CT早期图像上79个小肝癌结节的检出率为49.4%（直径小于1cm者为32.6%，1-2cm者为58.3%，2-3cm者为91.7%）。肝门以上小肝癌的检出率优于肝门以下。5个病灶仅在延迟CT图像上被检出，而在早期CT图像上未被检出。动态螺旋CT对检测富血供小肝癌有用，必须同时获取早期和延迟CT图像。
