原发性肝脏恶性肿瘤，包括原发性肝细胞肝癌、胆管细胞肝癌、肝母细胞瘤和原发性肝脏肉瘤，其中原发性肝细胞癌在临床上最为多见，癌组织在肝内坏死液化，癌栓经血液流入门静脉、肝静脉、下腔静脉系统，使局部扩张的管胜有实性强结构回声，本文３２例原发性肝癌的癌栓主要在门 Primary hepatic malignancies, including primary hepatocellular carcinoma, cholangiocarcinoma, hepatoblastoma, and primary hepatic sarcoma. Among them, primary hepatocellular carcinoma is the most common in clinical practice and necrosis of cancerous tissue in the liver. Liquefaction, cancer embolus through the blood flow portal vein, hepatic vein, inferior vena cava system, so that the partial expansion of the tube has a strong real structure echo, this article 32 cases of primary liver cancer thrombus mainly in the door