In this example of ureteritis cystica, the ureteral lumen has been opened longitudinally. Seeral fluid-filled esicles are seen on the urothelial surface.

• 肉眼下可见输尿管腔内尿路上皮表面有圆形、和卵圆形囊腔，壁薄，腔内充满清亮液体。