患者男,69岁。因间歇性肉眼全血尿6天入院。1年前无明显诱因尿频、尿急,排尿困难伴胀痛,夜尿增多,每晚2~4次。曾在外院诊断为“前列腺增生症”,治疗效果欠佳。3月前突然出现间歇性无痛性血尿,尿中带有血块及白膜样组织物,伴有下腹部隐痛及尿路刺激症状,无发热,畏寒及消瘦表现,行膀胱镜检查,病理报告:慢性膀胱炎,膀胱角化症。予以对症处理,症状缓解。6天前突然又发现血尿,症状明显加重,门诊 Male patient, 69 years old. Due to intermittent macroscopic hematuria 6 days admission. 1 year ago, no obvious incentive to urinary frequency, urgency, dysuria with pain, nocturia, every night 2 to 4 times. Have been diagnosed in the hospital as “benign prostatic hyperplasia,” poor treatment. 3 months ago suddenly appeared intermittent painless hematuria, urine with blood clots and albuginea-like tissue, with lower abdominal pain and urinary tract irritation, no fever, chills and weight loss, cystoscopy, pathology Report: Chronic cystitis, Bladder keratosis. To symptomatic treatment, symptoms relieved. Hematuria suddenly found 6 days ago, the symptoms were significantly increased, out-patient