Children With Anterior Urethral Valve and/or Anterior Urethral Diverticulum: Three Cases and a Review of the Literature

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  • Terawaki Kan
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo
  • Komura Makoto
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo
  • Kanamori Yutaka
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo Division of Surgery, Department of Surgical Subspecialties, National Center for Child Health and Development
  • Sugiyama Masahiko
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo
  • Suzuki Kan
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo
  • Konishi Kenichiro
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo
  • Ueoka Katsuhiko
    Division of Urology, Department of Surgical Subspecialties, National Center for Child Health and Development
  • Hasegawa Yuichi
    Division of Urology, Department of Surgical Subspecialties, National Center for Child Health and Development
  • Yamazaki Yuichiro
    Department of Urology, Kanagawa Children's Medical Center
  • Iwanaka Tadashi
    Department of Pediatric Surgery, Graduate School of Medicine, The University of Tokyo

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Other Title
  • 前部尿道弁・憩室に起因する下部尿路通過障害の3例
  • 症例報告 前部尿道弁・憩室に起因する下部尿路通過障害の3例
  • ショウレイ ホウコク ゼンブ ニョウドウベン ・ ケイシツ ニ キイン スル カブ ニョウロ ツウカ ショウガイ ノ 3レイ

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Abstract

The presence of an anterior urethral valve (AUV) is one of the causes of obstructive uropathies in children. Here we report three cases of children with AUV or anterior urethral diverticula (AUD). Case 1: Fetal ultrasonography at 31 weeks of gestation revealed a lower urinary tract obstruction. After delivery, voiding cystourethrogram (VCUG) demonstrated an AUD and left vesicoureteral reflux (VUR). Temporary cutatenous vesicostomy was performed and urethral reconstruction was done when the patient was one year old.<br>Case 2: In a 9-month-old boy, dribbling of urine with a narrow urinary stream was noted from early infancy, and was diagnosed to have AUD with valve by VCUG. Transurethral resection of the valve was performed when he was one year old.<br>Case 3: A 3-year-old boy with trisomy 21 complained of difficulty in urination. He was diagnosed with AUD and VCUG, and cutaneous vesicostomy was performed.<br>A total of 147 cases have been reported as ssuffering from AUV or AUD as of 2011 in Japan. Renal and bladder function can be preserved by early diagnosis and treatment. Therefore, we reviewed the symptoms at the time of diagnosis in reported Japanese cases.

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