Computer tomography; Perfusion imaging; Radiation dosage.

计算机断层成像；灌注成像；辐射剂量。

Postoperative computer tomography scan done in 2 patients confirmed complete extirpation of the nidus.

术后有2名患者进行CT扫描证实病灶完全切除。

The method is tested to be useful in the finite element modeling based on 3d computer tomography images or surface model.

对于基于3维断层图像或表面模型进行有限元建模，该方法不失为一种行之有效的好方法。

Overcome the shortcoming of traditional X ray residual stress measuring techniques, X ray computer tomography is presented.

针对传统X射线残余应力检测技术，提出了X射线断层扫描测定法。

Purpose: To evaluate the role of spiral computer tomography angiography (SCTA) in the diagnosis of Pulmonary Embolism (PE).

目的：评价螺旋CT血管造影（SCTA）在诊断肺动脉栓塞（PE）中的作用。