Conclusion: Image quality of CTPA is mainly influenced by scan and postprocessing technique. Rational application of imaging technique attributes to improved diagnostic accuracy of PE.
结论：CTPA的成像质量主要受扫描技术及图像后处理技术的影响，合理应用成像技术可进一步提高PE诊断准确率。
Conclusion: Image quality of CTPA is mainly influenced by scan and postprocessing technique. Rational application of imaging technique attributes to improved diagnostic accuracy of PE.
结论：CTPA的成像质量主要受扫描技术及图像后处理技术的影响，合理应用成像技术可进一步提高PE诊断准确率。
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