The MR pulmonary perfusion imaging was achieved by the first-pass contrast agent method.
利用对比剂首次通过法可进行MR肺灌注成像。
Objective To evaluate the clinical value of radionuclide pulmonary perfusion imaging in diagnosing acute pulmonary embolism.
目的评价放射性核素肺灌注显像在诊断急性肺动脉栓塞中的价值。
Objective: Our aim was to study the levels of atrial natriuretic peptide (ANP) and pulmonary perfusion imaging in determining of pulmonary artery hypertension (PAH).
目的：探讨血浆心钠素含量和肺灌注显像判定肺动脉高压的程度及其意义。
Methods Radioactive pulmonary perfusion imaging was performed in 25 patients clinically suspected for acute pulmonary embolism, meanwhile, imaging of deep veins of lower limb was taken.
方法对临床怀疑有急性肺动脉栓塞的25例患者进行了放射性核素肺灌注显像，同时行双下肢深静脉显像。
Objective: to optimize the contrast injection protocol for MR pulmonary perfusion imaging (PPI) and toe-valuate its value in the diagnosis of experimental acute pulmonary embolism in pigs.
目的：探索磁共振肺灌注成像的最佳剂量及其对肺栓塞的诊断价值。
The first pass pulmonary perfusion imaging is the most sensitive and quantitative method for detecting minute pulmonary arteriovenous shut which is often not detectable by pulmonary angiography.
首次通过肺灌注显像是诊断肺内微小的右到左分流的最简便、准确的方法。
AIM: to measure the flow volume of pulmonary arteries by using phase contrast magnetic resonance imaging (MRI) and to investigate the values of phase contrast MRI in assessing pulmonary perfusion.
目的：采用相位对比法磁共振成像(MRI)测量肺动脉血流量，探讨并评价两肺的血流灌注情况。
Conclusion: it is helpful to diagnose the peripheral lung cancer with MSCT perfusion imaging and to differentiate it from pulmonary benign masses, its basis was MVD pathologically.
结论：MSCT灌注成像有助于周围型肺癌的诊断及与良性肿瘤的鉴别诊断，其病理基础与肿瘤微血管密度有关。
Conclusion: it is helpful to diagnose the peripheral lung cancer with MSCT perfusion imaging and to differentiate it from pulmonary benign masses, its basis was MVD pathologically.
结论：MSCT灌注成像有助于周围型肺癌的诊断及与良性肿瘤的鉴别诊断，其病理基础与肿瘤微血管密度有关。
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