目的 探讨肝血管肉瘤和血管瘤 的CT影像特点。方法 选取我院2015年2 月-2017年5月收治的6例肝血管肉瘤患者 和14例肝血管瘤患者为研究对象。所有患 者行腹部螺旋 CT 平扫和动态增强扫描。 结果 26个肝血管肉瘤在增强早期表现为 周边强化38.46%，非周边强化61.54%。38 个肝脏血管瘤在增强早期表现为非周边强 化23.68%，周边强化76.32%。肝血管肉瘤 和肝血管瘤早期强化CT强化位置比较存在 显著性差异(P<0.05)。26个肝血管肉瘤在 增强早期表现为片状强化形态65.38%，结 节状强化形态34.62%。38个肝脏血管瘤在 增强早期表现为片状强化形态60.53%，结 节状强化形态39.47%。肝血管肉瘤和肝血 管瘤早期强化CT强化形态比较无显著性差 异(P>0.05)。肝血管肉瘤和肝血管瘤伴瘤 周动静脉短路者分别占53.85%和15.79%， 比较存在显著性差异(P<0.05)。结论 肝 血管肉瘤主要表现为非周边强化、动静脉 短路，而肝脏血管瘤主要表现为周边强 化，动静脉短路较为少见。非周边性强化 和动静脉短路的强化模式对于鉴别肝血管 肉瘤和肝血管瘤具有重要意义。

Objective To investigate the CT features of hepatic angiosarcoma and hemangioma. Methods Six patients with hepatic angiosarcoma and 14 patients with hepatic hemangioma who were treated in our hospital from February 2015 to May 2017 were selected as the study subjects. All patients underwent abdominal spiral CT scan and dynamic enhanced scan. Results 26 cases of hepatic angiosarcoma were 38.46% in the early enhancement and 61.54% in the peripheral enhancement. 38 cases of hepatic hemangioma in the early enhancement of non-peripheral enhancement of 23.68%, peripheral enhancement 76.32%, with a significant difference between the two groups (P <0.05). 26 cases of hepatic angiosarcoma in the early enhancement of the performance of lamellar enhanced form of 65.38%, nodular enhancement of 34.62%. 38 cases of hepatic hemangioma in the early enhancement of the performance of sheet-like enhanced form 60.53%, nodular enhancement of 39.47%. There was no significant difference in the enhancement of CT enhancement between hepatic angiosarcoma and hepatic hemangioma (P>0.05). Hepatocellular sarcoma and hepatic hemangioma with peritumoral venous short circuit were 53.85% and 15.79%, there was significant difference (P<0.05). Conclusion Hepatic angiosarcoma is mainly composed of non - peripheral enhancement, arteriovenous short circuit, and hepatic hemangioma mainly for peripheral enhancement, arteriovenous short circuit is rare. Non-peripheral enhancement and arteriovenous short circuit of the enhanced model for the identification of hepatic hemangiaroma and hepatic hemangioma is of great significance.