Enhancement degree and characteristics in plain ct scan and arterial phase of enhancement were compared.
均行多层螺旋CT平扫及增强检查，比较平扫、增强动脉期的强化幅度及特征。
Objective To discuss the diagnostic value of plain CT scan on super acute cerebral infarction.
目的探讨超急性期脑梗塞的CT诊断价值。
Methods: Comparative analysis of images between cranial plain CT scan and CTA for 30 cases of cerebrovascular disease.
方法：对30例脑血管病患者进行常规头颅CT平扫加CTA检查，并对其图像进行对比分析。
In plain CT scan, most of the tumors showed isodensity, 1 case showed high density, 1 case contained both solid and cystic components.
胰岛素瘤ct平扫：大多数表现为等密度，1例为高密度，1例为囊实性。增强扫描：实体部分均有强化。
Results:Location, size, shape, density, margin and peritumorous edema could be shown by plain CT scan and state of blood flow by enhance CT scan.
结果：平扫可显示肿瘤的发生部位、大小、形态、密度、边缘及瘤周水肿，增强扫描可显示病变的血运情况。
Conclusion the abdominal plain CT scan is of unique value in diagnosing the early and delayed spleen injuries, while hemoperitoneum has great significance in it.
结论腹部CT平扫在诊断早期及延迟性脾脏损伤有其独特优势，而腹腔积血则在脾脏损伤诊断有重要的意义。
Conclusion the abdominal plain CT scan is of unique value in diagnosing the early and delayed spleen injuries, while hemoperitoneum has great significance in it.
结论腹部CT平扫在诊断早期及延迟性脾脏损伤有其独特优势，而腹腔积血则在脾脏损伤诊断有重要的意义。
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