边缘清晰的病灶周围肝组织的各项灌注参数均与远处肝组织无显著性差异（P>0.05）。
The perfusion parameters of the liver tissue around the lesion with a clear edge showed no significant difference from those of the distant liver tissue(P>0.05).
目的探讨造影剂强化磁共振肺灌注成像(CEMRPP)对周围型肺栓塞的诊断价值，提高对肺栓塞于ce MRPP表现的认识。
Objective To investigate the value of CE MRPP in diagnosing peripheral pulmonary embolism (PPE) and improve the acknowledgement of the PPE manifestation on CE MRPP.
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.
动态增强动脉期7例见肝脏异常灌注，门静脉期肝门区周围异常丰富侧枝血管。
Abnormal perfusion of liver parenchyma in 7 cases could be seen in arterial phase during MR dynamic enhancement. The abnormal collateral branch veins were enhanced during the portal phase.
钻孔灌注桩凭借施工时噪音低、对周围影响小等优势，在建筑桩基中使用广泛。
Drill grouting pile is utilized widely because of low noises and little effect on environment.
阐述家兔急性周围型PE的CT表现及肺实质改变征象的病理学基础，评估CTPA对肺动脉较小分支PE的诊断价值及其显示肺栓塞低灌注区的能力。
To assess the diagnostic value of CTPA in the diagnosis of rabbit's peripheral PE, small branches of pulmonary arteries, and its ability of displaying for the hypo-perfusion parenchyma area.
阐述家兔急性周围型PE的CT表现及肺实质改变征象的病理学基础，评估CTPA对肺动脉较小分支PE的诊断价值及其显示肺栓塞低灌注区的能力。
To assess the diagnostic value of CTPA in the diagnosis of rabbit's peripheral PE, small branches of pulmonary arteries, and its ability of displaying for the hypo-perfusion parenchyma area.
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