A Case of Complete Pyeloureteral Duplication With Renal Atrophy at the Right Lower Pole

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  • Tsujimoto Kotone
    Department of Surgery, Kawasaki Medical School General Medical Center Department of Pediatric Surgery, Kawasaki Medical School Hospital
  • Soh Hideki
    Department of Pediatric Surgery, Kawasaki Medical School Hospital
  • Yoshida Atsushi
    Department of Pediatric Surgery, Kawasaki Medical School Hospital
  • Kuyama Hisako
    Department of Pediatric Surgery, Kawasaki Medical School Hospital

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Other Title
  • 右下半腎が萎縮した完全重複腎盂尿管の1例
  • ミギシタ ハンジン ガ イシュク シタ カンゼン チョウフクジンウニョウカン ノ 1レイ

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Abstract

<p>Pyeloureteral duplication is often associated with atrophy of the upper pole of the kidney. We report a rare case of complete pyeloureteral duplication with renal atrophy at the right lower pole. The patient was an eight-year-old girl who had repeated unexplained fever and febrile convulsion from 2 to 3 years of age and was found to have bilateral pyeloureteral duplication by abdominal contrast-enhanced computed tomography when she had another convulsion. Abdominal ultrasound and renal scintigraphy showed severe atrophy in the right lower half of the kidney. Voiding cystourethrography (VCG) showed vesicoureteral reflux (VUR). Cystoscopy and retrograde cystourethrography showed that the medial and caudal orifice in the bladder and the lower renal moiety ureter to the lateral and cranial orifice according to the Weigert-Mayer law. VUR to the right lower kidney was observed. She underwent retroperitoneoscopic resection of the right lower half of the kidney and the affiliated ureter. Six months after the surgery, VCG showed no VUR. She had no symptoms during the period of two years after the surgery.</p>

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