结节性前列腺增生引起的阻塞致显著的小梁形成，可在过度增生的膀胱粘膜表面见到。阻塞导致的郁积易于引起感染， 同时阻塞还能引起双侧的输尿管积水和肾盂积水。
Obstruction from nodular prostatic hyperplasia has led to prominent trabeculation seen on the mucosal surface of this bladder with hypertrophy. The stasis from obstruction predisposes to infection. The obstruction can also lead to bilateral hydroureter and hydronephrosis.
