Abstract #1847

Pelvic MRI with Segmentation and 3D Anatomical Renderings Provide a Novel Method for Quantifying Clinically Relevant Parameters of the Lower Urinary Tract

Lucille E Anzia¹, Shane A Wells¹, Diego Hernando^1,2, and Alejandro Roldán-Alzate^1,3,4

¹Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States, ²Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States, ³Mechanical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States, ⁴Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States

Prior imaging studies with ultrasound and CT have shown that bladder wall thickness (BWT), detrusor muscle volume (DMV) and prostate volume (PV) increase with age. We found a significant increase in DMV, BWT and PV when comparing males aged 30-39 to 60-69. There was no significant increase in BWT in females from the third to the sixth decade. While DMV increased significantly for women, the percent increase in muscle volume was substantially higher for men, likely the result of prostate hypertrophy. This is the first study, to our knowledge, to correlate physiologic changes of the urinary system in men and women using MRI.

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