颅内肿瘤的动态CT研究

Dynamic CT Study of Intracranial Tumors

本文收集了106例颅内肿瘤的时间—密度曲线,着重研究了其中经手术和病理证实的66例。并讨论了动态 CT 的扫描技术,造影方法及其它在颅内肿瘤定性和鉴别诊断中的价值。认为动态 CT 安全、可靠、无损伤。各种不同组织类型的脑瘤,由于其血供或血脑屏障破坏程度不同,所形成的时间—密度曲线亦有差异。依据典型的时间密度曲线,能确诊动脉瘤和血管畸形,并可与颅内肿瘤或肉芽肿相鉴别;动态 CT 对脑瘤的鉴别诊断有一定价值,在脑瘤与肉芽肿性病变的鉴别中也有作用。

The time-density curves were collected in 106 patients with intracranial tumors.A de- tailed analysis was made among 66 of them whose illness was determined surgically and pathologically.The scanning technique,method of administration of contrast material in dy- namic CT and its value in the qualitative and differential diagnosis of intracranial tumors were discussed.We consider that 1.dynamic CT scan is performed safely and reliably without trauma or pain on patients.2.Due to their various degrees of vascularity and disorders in the blood-brain barrier,different histological kinds of brain tumors have their own typical time-density curves.3.Vascular disorders such as aneurysm,angioma and arteriovenous mal- formation can be determined and differentiated from intracranial tumors or granuloma based on the typical time-density curves.4.Dynamic CT study is of some value in differential diagnosis of various kinds of brain tumors and is important in differentiation between brain tumors and granulomatous lesions.