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输尿管间嵴肥厚误诊为膀胱结石

来源:华人健康网 | 发布时间:2010-07-29 21:35:54 | www.chinesejk.com

  男,32岁。因留置尿管后尿频、尿急、排尿不畅半年余,加重1个月入院。患者于9个月前因双股骨多段骨折行留置导尿,3周后拔除尿管无法自行排尿,经多次留置尿管至7周左右方可自行排尿,但出现尿频、尿急、排尿不畅、尿液浑浊,给予抗感染治疗可暂时缓解,但症状反复,近1个月来症状明显加重,需侧卧方可缓慢排尿,且有尿流中断,病程中偶有尿痛。查体:耻骨联合上方稍隆起,轻压痛,双侧输尿管径路无压痛,双肾区不饱满,双肋脊点无压痛,双肾区无叩击痛,阴茎、睾丸及附睾未见异常,尿道未触及明显硬结。行B超检查示:双肾小结石,膀胱内有一34mm×12mm强回声伴声影,随体位稍有摆动,残余尿阳性。摄X线腹部平片示:膀胱耻骨联合区见一条形高密度影,考虑膀胱结石。行尿道扩张,感膜部有阻力但尚能进入膀胱,进入膀胱后触及摩擦感,扩张后患者可站立排尿,尿线变粗。入院诊断考虑膀胱结石、后尿道狭窄。于入院后3天行手术治疗。术中未见膀胱结石,仅见输尿管间嵴肥厚,凸出膀胱壁2cm,质地较硬,遂楔形切除肥厚处。术后病理检查报告为炎性增生。确诊为输尿管间嵴肥厚。术后1周拔除导尿管,排尿通畅。输尿管间嵴肥厚是继发于下尿路梗阻的一种疾病,原因不明,需依靠膀胱镜检查方可确诊。本例因输尿管间嵴瘢痕密度较高,X线片及B超均提示膀胱结石征象,且尿道扩张进入膀胱后有摩擦感,误以为由结石所致,故导致误诊。如术前行膀胱镜检查可确诊并行腔内电切治疗,从而避免开腹手术,减轻患者痛苦。

(编辑:刘一鸣 )

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