In vitro validation of a real-time 3D MRI Urodynamics Protocol
Colin Kim1, Cody Johnson1, James Rice2, and Alejandro Roldán-Alzate1
1Medical Physics and Radiology, University of Wisconsin-Madison, Madison, WI, United States, 2Mechanical Engineering, University of Wisconsin-Madison, Madison, WI, United States
This study utilized 3D MRI acquisition on both an in vitro
bladder model and an in vivo human subject to analyze deformation patterns
during the bladder voiding process and validated results with high-speed
optical imaging.
Figure 1 a.)
single frame from the phantom camera footage with measured segment b.) gif
created from SLR footage of voiding bladder c.) gif created from MRI sequence
of voiding d.) single frame from MRI sequence with measured segment.
Figure 2. a) Captures
of the anterior view of the in vitro 3D
segmented bladder volumes at various time points showing deformation over
voiding b.) posterior view of the segmented bladder c.) animated asymmetric and
complete deformation of the model at various time points.