Abstract #2649

Segmentation and 3D Anatomical Renderings of Pelvic MRI Allow Quantitative Analysis of Lower Urinary Tract Anatomy

Lucille E Anzia¹, Cody J Johnson¹, Diego Hernando¹, Wade A Bushman², Shane A Wells¹, and Alejandro Roldán-Alzate³

¹Radiology, University of Wisconsin Madison, Madison, WI, United States, ²Urology, University of Wisconsin Madison, Madison, WI, United States, ³Mechanical Engineering, University of Wisconsin Madison, Madison, WI, United States

Previous anatomic studies of the lower urinary tract predominantly utilize ultrasound and computed tomography. We present a novel method for measuring bladder wall volume (BWV), bladder wall thickness (BWT) and prostate volume (PV) using 30 (14 male) patients aged 30-39. Through MRI segmentation of the bladder and prostate in Mimics software, 3D models were quantified for BWV and PV. 3-matic was used to measure BWT. There were no significant differences in BWV or BWT between males and females (p=0.52,0.25). Mean PV was 28.7cm³(16.7-47.8cm³). Non-significant variations in BWT were observed regionally. Future directions will use this methodology across age groups.

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