Influence of benign prostatic hyperplasia patterns detected with MRI on the clinical outcome after prostatic artery embolization

CVIR Endovascular

Table 1 MRI classification of BPH subtypes

Wasserman^a	Modified BPH classification
Type 1: bilateral TZ	1: preurethral
Type 2: retrourethral	2: retrourethral
Type 3: bilateral TZ and retrourethral	3: biurethral
Type 4: solitary pedunculated
Type 5: bilateral TZ and pedunculated
Type 6: subtrigonal

TZ Transition zone, BPH Benign prostate hyperplasia
^a Wasserman et al. AJR 2015; 205(3): 564–571. https://doi.org/10.2214/AJR.14.13602