trigone

Pseudomembranous trigonitis usually inoles trigone and bladder neck.It may represent a normal histologic ariant and is not associated with increased risk for carcinoma.

假膜性膀胱三角区炎累及膀胱三角区和膀胱颈部，属的组织学变化，癌变的危险性不大。

Method A new procedure low sigmental-cystectmy which includes resection of the trigone of bladder, prostate, vesicula seminalis, extremity of ureter, was performed on 8 patients aged 28 to 57 years.

方法以除包括膀胱三角区及周围组织、前列腺、精、输尿管的半膀胱的方法为8例患者(年龄28～57岁)施行手术。