Conventional prostate magnetic resonance elastography (MRE) is performed using an external driver to transmit shear waves into the prostate. It is a challenge to produce shear waves in the prostate with adequate amplitude at a suitably high frequency because the prostate is a deep-seated organ. We evaluated the hypothesis that the placement of a urinary catheter would improve the shear wave illumination of the prostate when waves are emitted from an external driver. Our results in 30 BPH patients show that the commercially available liver MRE driver used in combination with a catheter can improve MRE image quality at higher frequencies.
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