Objective To explore the diagnostic value of 18F-FDG PET delayed imaging in patients with primary lung cancers.
目的：探讨18F-脱氧葡萄糖（FDG）PET延迟显像在原发性肺癌诊断中的价值。
Reasons for delayed imaging included time to allow symptoms to subside and fracture widening for better radiographic identification.
延迟影像检查的理论包括了使症状消退的时间和骨折线变宽以利于进行更好的放射线检查鉴定。
Purpose: To investigate the value of dynamic and time delayed enhancement MR imaging on the diagnosis of hepatic hemangioma.
目的：研究动态增强及延迟增强扫描磁共振成像对肝血管瘤的诊断价值。
Objective to investigate the effect of contrast material flow rate and delayed time on intracranial vascular spiral computed tomographic angiography (SCTA) imaging.
目的探索不同流速与延迟时间对脑血管螺旋CT血管造影(SCTA)成象的影响。
Results:Cholestasis type was found in 8 patients by delayed nuclide imaging.
结果：8例胆道延时，核素显像为胆汁淤滞型阻塞型黄疸。
In communicating hydrocephalus, round-blunt ascending tridentate imaging was showed, the nuclide was accumulated on the surface of cerebrum and longitudinal fissure and dissipation time was delayed.
交通性脑积水表现为上行三叉影像圆钝，核素在脑表面和纵裂区蓄积且消散时间延长。
In communicating hydrocephalus, round-blunt ascending tridentate imaging was showed, the nuclide was accumulated on the surface of cerebrum and longitudinal fissure and dissipation time was delayed.
交通性脑积水表现为上行三叉影像圆钝，核素在脑表面和纵裂区蓄积且消散时间延长。
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