MR Images from a patient with lower urinary tract symptoms due to large benign prostatic hyperplasia underwent bilateral PAE, the same case as the Figure 4. a-b. Enhanced T1-weighted coronal MR images obtained before PAE shows a large benign prostatic hyperplasia (straight arrows). c-d. Enhanced T1-weighted coronal MR images obtained at 1-month after PAE shows significantly infarct areas on the both side of the prostate (straight arrows), with the volume reduction of 12%. e-f. Enhanced T1-weighted coronal MR images obtained at 12-month after PAE shows the prostate volume reduction of 62%; this patient experienced marked clinical improvement during 32 months follow-up, with IPSS improvement of 85%.