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Abstract

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¼±Ãµ¼º ¿ä·Î±âÇü ÁúȯÀÎ ¿ä°ü·ù¿Í À̼Ҽº¿ä°üÀº ºóµµ»ó µå¹® ÁúȯÀ̳ª ÀÓ»óÀûÀ¸·Î´Â ¸Å¿ì
Áß¿äÇÑ ÁúȯÀÌ´Ù. Á¤»óÀûÀ¸·Î ÇϳªÀÇ ½ÅÀå¿¡¼­ ÇϳªÀÇ ¿ä°üÀÌ ¹æ±¤À» ¿¬°áÇϴµ¥ ºñÇÏ¿© Áß
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°èȹÀ» ¼ö¸³ÇÏ´Â °ÍÀº Áß¿äÇÑ ÀÏÀ̶ó ÇÒ ¼ö ÀÖ´Ù. ÀúÀÚµéÀº ÈÄÇâÀûÀÎ ¿¬±¸¸¦ ÅëÇÏ¿© Áߺ¹¿ä
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·ùÀÇ Ä¡·á ¹æħ ¹× Ä¡·á °èȹÀ» ¼ö¸³ÇÏ¿© º¸°íÀÚ ÇÏ¿´´Ù.

Purpose: Prenatal sonography resulted in increased recognition of renal duplication
anomalies and, therefore, earlier urological referral and evaluation. However, surgical
approach in very young children is debating. We attempt to investigate clinical features
and to propose the management strategies in patients with prenatally detected
ureteroceles.
Materials and Methods: From 1982 to 1997, there has been 35 patients(47 units) of
duplex system ureter in which both preoperative and postoperative imaging studies
including DMSA renal scan were available. Among these, detailed diagnosis and
treatment of prenatally detected(PreD) ureteroceles associated with duplex system(9
patients or 12 ureteroceles) were assessed compared with post-natally detected(PND)
ones(26 patients or 35 ureteroceles).
Results: There were 2 males and 7 female patients in PreD group, whose ureteroceles
presented as 6 unilateral(right 1, left 5) and 3 bilateral units. There were 3
patients(33%) presented with urinary tract infection in PreD group and 24 patients(92%)
in PND group. Functional evaluation by DMSA renal scan revealed that 8 units(67%)
were functioning in PreD group while 37% in PND group, which was not significantly
different between two groups. Initial treatment in PreD group were performed in 11
units; transurethral ureterocele incision(TUI, 8 units), ureteroureterostomy(UUO, 1) and
upper pole nephrectomy(UPNx, 2). Additional surgery was performed in 8 units, all of
which were initially performed TUI. When initial functional status of the upper pole
determined by renal scan were analyzed by ultimate mode of treatment, initially
nonfunctioning parenchyme resulted in UPNx in 4 units rind 8 functioning moiety were
led to parenchyme-sparing surgery, implying TUI actually had not modified ultimate
clinical course. Taken both PreD and PNO together, UUO and ureteral reimplantation
showed lower secondary operation rate.
Conclusions: Although statistics did not fully support our clinical impression, patients
with PreD ureterocele have higher proportion in preserving upper pole function compared
with that of a PND. Our results shows direct approach to the upper pole according to
the functional status is preferred.

Å°¿öµå

Ureterocele; Duplex system; Prenatal detection; Ultrasonography; Ureteroureterostomy;

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