There were significant color enhancement (Grade 3) both in HPI and CDFI imaging of liver after contrast. , but severe (Grade 3) color blooming artifacts always appeared in CDFI comparing to mild (Grade 1) artifacts in HPI.

• 造影后 ,肝脏HPI与CDFI均有 3级强烈彩色信号增强 ,但CDFI有严重的 3级“彩色怒放”(colorblooming)伪像 ,而HPI的彩色伪像均为 1级。