Fig. 5

The imaging effects of two different dilution factors of UCA in rabbit TAPB. A: Illustration of the injection effect of undiluted mixture of perfluoropropane UCA and 0.375% ROP. B: Illustration of the injection effect of perfluoropropane UCA diluted 10 times with 0.375% ROP. The red arrow indicates the imaging area of UCA, and the yellow arrow indicates the dark area caused by the drug solution