交叉型異位輸尿管合併腎臟發育不全：一病例報告

交叉型的異位性輸尿管是一種極為罕見的泌尿系統異常疾病。本文報告一個四個月大的女童，於住院前二個月有異常的尿道分泌物及反覆性泌尿道感染現象。經腹部超音波、靜脈腎盂攝影發現右腎無顯影，逆行性輸尿管攝影檢查則顯示右側輸尿管擴大；膀胱鏡檢查發現右側輸尿管開口於尿道左側靠近膀胱頸部擴約肌的前側壁上。病人接受右側腎臟及輸尿管切除術；病理報告顯示右腎萎縮及發育不全。手術後病人情況良好，無尿道感染再犯，腎功能維持正常。

關鍵字

交叉型異位性輸尿管；腎發育不全

並列摘要

The crossed ureteral ectopia with solitary kideny is a rare urological anomaly. To our knowledge, only about 30 cases have been reported in literature. We had experienced of a 4 month old girl, who was admitted due to abnormal urethral discharge and recurrent UTI for 2 months. Cystic-like lesion over right abdominal cavity was detected by sonogram. The CT scan disclosed a small right kidney, located normally, and compensatory hypertrophy of the left side kidney. It was also found that right abdomen filling with dilated ureter. The cystoscopic examination revealed, with difficulty, the right ureteral orifice opening into the contrateral side of urethra, located in left anterior-lateral wall proximal to the external sphincter muscle of bladder neck. The exploratory laparotomy disclosed the small right kidney (2.5 X 2.0 X 2.0 cm^3) with normal blood vesseles. The ureter was found huge dialated and tortuous. Nephroureterectoy was performed. The pathology revealed dysplastic change of the right kidney, and thickening with fibrotic change of the ureter. The UTI was improved after surgery.

並列關鍵字

crossed ectopic ureter ； dysplastic kidney

國際替代計量

交叉型異位輸尿管合併腎臟發育不全：一病例報告

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