患儿女,4岁。一周前下腹部遭人踢后,出现血尿、尿频、尿急、尿痛。尿液检验:隐血(+++),白细胞(+),红细胞2 000个/μl。血常规无异常。超声表现:膀胱前壁及两侧壁弥漫性增厚,内探及丰富彩色血流,仅部分后壁未见异常(图1)。诊断:膀胱前壁及两侧壁弥漫性增厚,血供丰富,考虑膀胱钝挫伤可能。盆腔CT:淋巴瘤可能。膀胱壁穿刺活检病理示:不典型上皮细胞,未见肿瘤细胞。综合各项检查,临床考虑膀胱钝挫伤可能。给予膀胱导尿减压、抗感染、补液及支持对症等治疗,一周后症状消 Children with children, 4 years old. A week ago, the lower abdomen was kicked, hematuria, frequent urination, urgency, dysuria. Urinalysis: occult blood (+++), white blood cells (+), red blood cells 2000 / μl. No abnormal blood. Ultrasound: The anterior and the anterior wall of the bladder diffuse thickening, exploration and rich color flow, only part of the posterior wall showed no abnormalities (Figure 1). Diagnosis: diffuse thickening of the anterior wall of the bladder and both sides of the wall, rich in blood supply, blunt contusion may be considered bladder. Pelvic CT: Lymphoma may. Bladder biopsy pathology: atypical epithelial cells, no tumor cells. Comprehensive examination, clinically considered blunt bladder may be. Give bladder catheterization decompression, anti-infective, fluid replacement and support symptomatic treatment, one week after the symptoms