原发性肝细胞癌并发门静脉癌栓的分型及超声表现  

Ultrasonic types and appearances of portal vein tumor thrombosis in patients with hepatocellular carcinoma

作　　者：杨嘉嘉[1] 林礼务[1] 薛恩生[1] 何以敉[1] 高上达[1] 林学英[1] 俞丽云[1] 

机构地区：[1]福建医科大学附属协和医院超声科,福建福州350001

出　　处：《中国医学影像技术》2008年第12期1976-1979,共4页Chinese Journal of Medical Imaging Technology

基　　金：福建省科技厅重点资助项目(2000Z138)

摘　　要：目的探讨各型门静脉癌栓(PVTT)的发生率及超声表现。方法超声检查原发性肝细胞癌(HCC)患者178例,对检出的PVTT分型并分析各型超声表现,比较不同HCC病例合并PVTT发生率及分型比率。结果178例HCC检出PVTT64例,其中Ⅰ型25例、Ⅱ型31例、Ⅲ型8例;87.18%的II、Ⅲ型PVTT内可见动脉血流,Ⅰ型PVTT仅表现为条索状偏高或偏低回声带;各组PVTT分型比率比较差异无统计学意义(P>0.05);不同HCC大小组PVTT发生率不同(P<0.05)。结论HCC并发PVTT以Ⅰ、Ⅱ型多见,在大病灶HCC病例中发生率高,结合各型特征性超声表现有助于提高PVTT、尤其是I型PVTT的诊断率。Objective To probe the incidence rates and ultrasonic performances of various types of portal vein tumor thrombosis（PVTT）in patients with hepatocellular carcinoma（HCC）.Methods Ultrasonography was carried out for 178 patients with HCC.Typing determinations were made for the PVTT cases and ultrasonic performances of each type were analyzed.Statistical analysis was taken to compare the differences of PVTT incidence rates and type ratios among HCC groups.Results PVTT was found in 64 cases（typeⅠ in 25,type Ⅱin 31,type Ⅲ in 8）among 178 HCC patients.The arterial flow signals were detected in 87.18% of type Ⅱ and Ⅲ,and slightly hyperechoic or hypoechoic strip-like areas were found in typeⅠ cases.No significant difference of PVTT type ratios was found among different groups（P〉0.05）,while significant differences of PVTT incidence rates among groups with different sizes of HCC were noticed（P〈0.05）.Conclusion PVTT is more often to be found in cases with larger HCC,and typeⅠand typeⅡ of PVTT are more often to be detected.Being aware of characteristic sonographic appearances and incidence rate of each type is helpful to improve the diagnostic accuracy of PVTT,especially for type I.

关 键 词：超声检查 门静脉 血栓形成 

分 类 号：R445.1[医药卫生—影像医学与核医学] R735.7[医药卫生—诊断学]