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. 2022 Jan 1;12(1):362–378. doi: 10.7150/thno.65597

Figure 1.

Figure 1

FUS-induced BBB disruption verified by contrast-enhanced T1-weighted MRI scans. (A) Hardware setup for MRI-guided sonobiopsy in mice. The FUS transducer was coupled with the mouse head using ultrasound gel and a bladder filled with degassed water. (B) Contrast-enhanced (CE) T1-weighted MRI scans were acquired before FUS to quantify the tumor volume (blue area). Post-FUS MRI scans confirmed FUS-induced BBB disruption (orange area) as an increase in CE volume. (C) FUS significantly increased the CE volume (n = 19, p = 0.0000038; ****p < 0.0001; paired samples Wilcoxon signed rank test) from 24.59 ± 13.21 mm3 to 46.09 ± 20.44 mm3. Black bars indicate mean in C.