[例1]男，35岁，船民。因排尿不畅伴有尿道血性分泌物3月入院。半年前国冠状沟处尖锐湿疣于外院电灼治疗。大剂量（60％泛影葡胺100ml）IVU（静脉尿路造影）检查无＃常。尿道镜检查示舟状窝至精阜前1cm尿道内多发性、散在乳头状肿瘤，呈淡红色、半透明，膀胱及后尿道正常。于鞍 [Example 1] Male, 35 years old, boat people. Due to poor urination with urethral bloody discharge in March hospitalization. Six months ago at the national coronary ditch warts in the treatment of electrocautery outside the hospital. High-dose (60% diatrizoate 100ml) IVU (intravenous urography) examination No # often. Urinary tract examination showed the boat to fine Fu before the nest 1cm urethra multiple, scattered papillary tumors, pale red, translucent, bladder and urethra normal. Saddle