Sun Z F
Zhonghua Fang She Xue Za Zhi. 1989 Oct;23(5):280-4.
Dynamic CT manifestations in 44 cases of hepatic tumors proved by pathology were reviewed. 30 were hepatoma, 6 metastatic tumor, 7 cavernous hemangioma and 1 adenoma. 50 ml of contrast medium were administered as a bolus injection, and scanning was performed at 15, 25, 60, 120 and 300 sec after injection. The tumor enhancement patterns were divided into 3 types based on time-density curve. Type 1 manifested rapid and prolonged marked tumor enhancement; Type 2 was characterized by a rapid rise followed by a rapid decline in tumor density; In type 3 there was no significant change over time in density of the tumor. All cavernous hemangiomas belonged to type 1. Type 2 and 3 were not specific. Parafocal enhancement which occurred in 83.3% of primary hepatic carcinoma in this article and without false positive cases was considered by the authors to be pathognomonic of hepatoma. Evaluation was also made of dynamic CT in treatment planning of hepatic tumors.
回顾性分析44例经病理证实的肝脏肿瘤的动态CT表现。其中肝癌30例，转移瘤6例，海绵状血管瘤7例，腺瘤1例。以团注法注入50ml造影剂，并于注射后15、25、60、120及300秒进行扫描。根据时间-密度曲线将肿瘤强化方式分为3型。1型表现为肿瘤快速强化且强化持续时间长；2型特点为肿瘤密度迅速上升后迅速下降；3型肿瘤密度随时间无明显变化。所有海绵状血管瘤均属1型。2型和3型不具特异性。本文中83.3%的原发性肝癌出现灶周强化且无假阳性病例，作者认为其对肝癌具有诊断特异性。还对肝脏肿瘤治疗方案规划中的动态CT进行了评估。
