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Journal of the Korean Society of Pediatric Nephrology 2003;7(2): 189-196.
소아 중복 요관의 임상적 고찰
한정우, 황대환, 박지민, 한상원, 이재승
1연세대학교 의과대학 소아과학교실, 신장질환연구소
2연세대학교 의과대학 소아과학교실, 신장질환연구소
3연세대학교 의과대학 소아과학교실, 신장질환연구소
4연세대학교 의과대학 비뇨기과학교실
5연세대학교 의과대학 소아과학교실, 신장질환연구소
Clinical Manifestations of Ureteral Duplication in Children
Jung-Woo Han, Dae-Hwan Hwang, Jee-Min Park, Sang-Won Han, Jae-Seung Lee
1Department of Pediatrics, The Institute of Kidney Disease, Yonsei University, College of Medicine
2Department of Pediatrics, The Institute of Kidney Disease, Yonsei University, College of Medicine
3Department of Pediatrics, The Institute of Kidney Disease, Yonsei University, College of Medicine
4Departments of Urology, Yonsei University, College of Medicine
5Department of Pediatrics, The Institute of Kidney Disease, Yonsei University, College of Medicine
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ABSTRACT
Purpose : Ureteral duplication is a common urologic anomaly and early diagnosis may prevent irreversible renal damage. We thus aimed to evaluate the benefits of prenatal sonography in early detection.
Methods : We retrospectively studied 55 children with duplicated systems who were admitted to Severance Hospital, Yonsei University, Seoul, Korea from January 1998 to July 2003.
Results : The mean age at diagnosis was 2.3 years old. 89% of the children had complete duplicated ureter. 47% of the children visited the hospital with an initial complaint of abnormal prenatal sonographic findings. Among these patients, 70.8% had DMSA defects. The mean differential renal function(DRF) in the DMSA scan was 48.2% in the group diagnosed prenatally. In the postnatally-diagnosed group, DMSA defects were found in 67.7% patients and the mean DRF was 45.5%.
Conclusion : In comparison with the past studies, the mean age at diagnosis is becoming younger, and the proportion of abnormal prenatal sonography as an initial complaint larger. Other clinical manifestations were similar. The difference of the renal damage between the prenatally diagnosed group and the postnatally diagnosed group was not statistically significant. A multi-center study may help to prove the importance of prenatal sonography in early diagnosis and treatment of ureteral duplication.
Key words: Ureteral duplication | Prenatal sonography | Antenatal care
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