肝癌放疗后CT追随观察分析

Follow-up Investigation of Postradiotherapy Change for Hepatocellular Carcinoma with CT

摘要: 本文对17例肝癌放疗后CT追随观察，就肿瘤病灶演变和肝组织及邻近脏器的变化两个方面进行分析。肝肿瘤放疗后的变化包括肿瘤缩小，肿瘤密度减低和增强后肿瘤强化减弱。肝组织的变化主要为放射性肝损伤，包括肝组织密度减低，肝萎缩，肝包膜增厚以及邻近脏器损伤等。慢性期放射性肝损伤类似肝硬化之表现。

Abstract: This paper reported CT appearances of postradiotherapy for 17 cases of hepatocellular carcinoma.These appearances are focus change，hepatic change and ad jacent organs change，etc.The focus changes are tumor retraction，density reduction and radiation hepatitis，for example radiodensity reduction，hepatatrophy and hepatic capsule-like change，etc.Chronic phase appearance of radiation hepatitis is similar to that of hepatocirrhosis。