Laparoscopy for definite localization and simultaneous treatment of ectopic ureter draining a dysplastic kidney in children

Hyeon Hoe Kim, Jeongyoon Kang, Cheol Kwak, Seok Soo Byun, Seung June Oh, Hwang Choi

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Abstract

Background and Purpose: Single-system ectopic ureter draining a dysplastic kidney is a rare urologic abnormality. In this study, we evaluated our own experience using laparoscopy for the simultaneous identification and removal of such ureterorenal units. Patients and Methods: Between February 1999 and August 2001, four girls with a mean age of 11 years presented with urinary incontinence. After imaging studies including CT scan, MRI, or both were done, all the patients underwent laparoscopy for definitive localization and simultaneous treatment. Results: In all cases, ultrasonography and intravenous urography combined to reveal a single normal kidney. Even the CT scan could not identify the dysplastic kidney or ectopic ureter in three children. Laparoscopy was performed transperitoneally in all four patients, and a small dysplastic kidney was identified. Discovery of the kidney was not difficult because we initially identified the ureter crossing over the iliac vessels. Laparoscopic nephroureterectomy was successful in all patients with a mean operative time of 102 minutes. There was no significant intraoperative or postoperative complication, and the mean postoperative hospital stay was 2.5 days. All patients have remained completely dry without any problems after surgery. Conclusions: For patients having a clinical suspicion of ectopic ureter draining a dysplastic kidney, laparoscopy may represent an alternative modality for simultaneous diagnosis and treatment.

Original languageEnglish
Pages (from-to)363-366
Number of pages4
JournalJournal of Endourology
Volume16
Issue number6
DOIs
StatePublished - Aug 2002

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Ureter
Laparoscopy
Kidney
Therapeutics
Urography
Intraoperative Complications
Urinary Incontinence
Operative Time
Ultrasonography
Length of Stay
Magnetic Resonance Imaging

Cite this

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title = "Laparoscopy for definite localization and simultaneous treatment of ectopic ureter draining a dysplastic kidney in children",
abstract = "Background and Purpose: Single-system ectopic ureter draining a dysplastic kidney is a rare urologic abnormality. In this study, we evaluated our own experience using laparoscopy for the simultaneous identification and removal of such ureterorenal units. Patients and Methods: Between February 1999 and August 2001, four girls with a mean age of 11 years presented with urinary incontinence. After imaging studies including CT scan, MRI, or both were done, all the patients underwent laparoscopy for definitive localization and simultaneous treatment. Results: In all cases, ultrasonography and intravenous urography combined to reveal a single normal kidney. Even the CT scan could not identify the dysplastic kidney or ectopic ureter in three children. Laparoscopy was performed transperitoneally in all four patients, and a small dysplastic kidney was identified. Discovery of the kidney was not difficult because we initially identified the ureter crossing over the iliac vessels. Laparoscopic nephroureterectomy was successful in all patients with a mean operative time of 102 minutes. There was no significant intraoperative or postoperative complication, and the mean postoperative hospital stay was 2.5 days. All patients have remained completely dry without any problems after surgery. Conclusions: For patients having a clinical suspicion of ectopic ureter draining a dysplastic kidney, laparoscopy may represent an alternative modality for simultaneous diagnosis and treatment.",
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T1 - Laparoscopy for definite localization and simultaneous treatment of ectopic ureter draining a dysplastic kidney in children

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AU - Kang, Jeongyoon

AU - Kwak, Cheol

AU - Byun, Seok Soo

AU - Oh, Seung June

AU - Choi, Hwang

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N2 - Background and Purpose: Single-system ectopic ureter draining a dysplastic kidney is a rare urologic abnormality. In this study, we evaluated our own experience using laparoscopy for the simultaneous identification and removal of such ureterorenal units. Patients and Methods: Between February 1999 and August 2001, four girls with a mean age of 11 years presented with urinary incontinence. After imaging studies including CT scan, MRI, or both were done, all the patients underwent laparoscopy for definitive localization and simultaneous treatment. Results: In all cases, ultrasonography and intravenous urography combined to reveal a single normal kidney. Even the CT scan could not identify the dysplastic kidney or ectopic ureter in three children. Laparoscopy was performed transperitoneally in all four patients, and a small dysplastic kidney was identified. Discovery of the kidney was not difficult because we initially identified the ureter crossing over the iliac vessels. Laparoscopic nephroureterectomy was successful in all patients with a mean operative time of 102 minutes. There was no significant intraoperative or postoperative complication, and the mean postoperative hospital stay was 2.5 days. All patients have remained completely dry without any problems after surgery. Conclusions: For patients having a clinical suspicion of ectopic ureter draining a dysplastic kidney, laparoscopy may represent an alternative modality for simultaneous diagnosis and treatment.

AB - Background and Purpose: Single-system ectopic ureter draining a dysplastic kidney is a rare urologic abnormality. In this study, we evaluated our own experience using laparoscopy for the simultaneous identification and removal of such ureterorenal units. Patients and Methods: Between February 1999 and August 2001, four girls with a mean age of 11 years presented with urinary incontinence. After imaging studies including CT scan, MRI, or both were done, all the patients underwent laparoscopy for definitive localization and simultaneous treatment. Results: In all cases, ultrasonography and intravenous urography combined to reveal a single normal kidney. Even the CT scan could not identify the dysplastic kidney or ectopic ureter in three children. Laparoscopy was performed transperitoneally in all four patients, and a small dysplastic kidney was identified. Discovery of the kidney was not difficult because we initially identified the ureter crossing over the iliac vessels. Laparoscopic nephroureterectomy was successful in all patients with a mean operative time of 102 minutes. There was no significant intraoperative or postoperative complication, and the mean postoperative hospital stay was 2.5 days. All patients have remained completely dry without any problems after surgery. Conclusions: For patients having a clinical suspicion of ectopic ureter draining a dysplastic kidney, laparoscopy may represent an alternative modality for simultaneous diagnosis and treatment.

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