Comparing to precontrast CT images, a Multi-phase CT image can provide more information for the description of lesions.
与预对比 CT 图像相比，多相 CT 图像可以提供更多信息来描述病变。
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Comparing to precontrast ct images, Multi-phase ct image can provide more information for the description of lesions, because it carry the timing characteristics.
After contrast-enhanced scans, hypodense areas and cavities seen on precontrast CT images had no enhancement but remainder consolidation areas had significant enhancement with 44 HU value.