Use of 3d robotic ultrasound for In Vivo analysis of mouse kidneys
2021
Holmes, Heather L. | Stiller, Alison A. | Moore, Christopher J. | Gregory, Adriana V. | Roos, Carolyn M. | Miller, Jordan D. | Gessner, Ryan C. | Czernuszewicz, Tomasz J. | Kline, Timothy L. | Romero, Michael F.
Common modalities for in vivo imaging of rodents include positron emission tomography (PET), computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound (US). Each method has limitations and advantages, including availability, ease of use, cost, size, and the use of ionizing radiation or magnetic fields. This protocol describes the use of 3D robotic US for in vivo imaging of rodent kidneys and heart, subsequent data analysis, and possible research applications. Practical applications of robotic US are the quantification of total kidney volume (TKV), as well as the measurement of cysts, tumors, and vasculature. Although the resolution is not as high as other modalities, robotic US allows for more practical high throughput data collection. Furthermore, using US M-mode imaging, cardiac function may be quantified. Since the kidneys receive 20%-25% of the cardiac output, assessing cardiac function is critical to the understanding of kidney physiology and pathophysiology.
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