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¹æ±¤¿ä°ü ¿ª·ùȯ¾Æ¿¡¼­ Ç׿ª·ù¼ö¼úÈÄ 99mTc-DMSA ½ÅÁÖ»ç ¼Ò°ßÀÇ ºÐ¼® 99mTc-DMSA Renal Scan after Anti-reflux Surgery in Children with Primary Vesicoureteral Reflux

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¿À½ÂÁØ/Seung-June Oh °íÀçÁØ/ÀÌ°æö/ÀÓ´ëÁ¤/À̽¹è/À̾ȱâ/±è±¤¸í/ÃÖȲ/Jae Jun Koh/Kyung Cheol Lee/Daeiung Lim/Seung Bae Lee/Ahnkie Lee/Kwang Myung Kim/Hwang Choi

Abstract

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30%¿¡ À̸£´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. ¿ª·ù ȯÀÚ¿¡¼­ ¹ß»ýÇÑ ½Å¿ì½Å¿°Àº ½Å¹ÝÈçÀ¸·Î ³²°ÔµÇ°í
ÀÌ ¹ÝÈçÀÇ Çü¼ºÀ¸·Î ¸»¹Ì¾Ï¾Æ ½Å½ÇÁúÀÇ °¨¼Ò°¡ ¹ß»ýÇÏ°í Á¾±¹ÀûÀ¸·Î´Â ¸¸¼º½ÅºÎÀü, °íÇ÷¾Ð
µî Áß´ë ÇÑÇÕº´ÁõÀ» ¾ß±âÇÑ´Ù.
¹æ±¤¿ä°ü¿ª·ùÀÇ Áø´ÜÀû °Ë»ç°úÁ¤¿¡ À־ 99mTc-dimercaptosuccinic
acid(DMSA) ½Å ÁÖ»çÀÇ ¿ªÇÒÀº ´ë´ÜÈ÷ Å©´Ù°í ÇÒ ¼ö ÀÖ´Ù. ¿ª·ù½Å¿¡ À־ ½Å¹ÝÈçÀÇ ±Ô¸í
À» ÅëÇÏ¿© ÀÌȯµÈ ½ÅÀåÀÇ »óȲ°ú ³²Àº ±â´ÉÀ» ÆľÇÇÏ´Â ½ÅÁÖ»çÀÇ À¯¿ë¼ºÀº ÀÌ¹Ì È®¸³µÈ »ó
ÅÂÀÌ´Ù. ±×·¯³ª, ½Å¹ÝÃß Çü¼ºÀÇ º´Å»ý¸®¿Í °ü·ÃÇÑ ½ÅÁֻ翡 ´ëÇÑ ¿¬±¸´Â ¾ÆÁ÷ ºñÁøÇÑ ºÎºÐ
ÀÌ ¸¹°í, ¶ÇÇÑ ¹æ±¤¿ä°ü¿ª·ù°¡ ¼ö¼ú·Î ±³Á¤µÇ¾î ¿ä·Î°¨¿°ÀÇ À§ÇèÀÌ Á¦°ÅµÈ ÈÄ Á¤»óÀûÀÎ ½Å
¼ºÀåÀÌ ±â´ëµÇ´Â »óȲÇÏ¿¡¼­ÀÇ È£ÀüµÈ ½ÅÀå¿¡ ´ëÇÑÃßÀû°Ë»ç·Î¼­ ½ÅÁÖ»ç ¿¬±¸´Â ã¾Æº¸±â Èû
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°í, ¶ÇÇÑ ¼ö¼ú±º°ú ³»°ú±ºÀ¸·Î ³ª´©¾î º¸¾ÒÀ» ¶§ Ä¡·á±º¿¡ µû¶ó »õ·Î¿î ½Å¹ÝÈçÀÇ Çü¼ººñÀ²
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ÀÖ¾î °æÁ¤¸Æ ½Å¿ìÁ¶¿µ¿¡ ±Ù°ÅÇÏ¿© ÃßÀû°á°ú¸¦ º¸°íÇÏ¿© Æǵ¶ ¿À·ùÀÇ ¿©Áö¸¦ ³²°ÜÁÖ¾ú´Ù.
ÀÌ¿¡ ÀúÀÚµéÀº ½Å¹ÝÈç¿¡ ´ëÇØ ÇüÅÂÇÐÀûÀ¸·Î Á» ´õ Á¤È®ÇÑ Æò°¡°¡ °¡´ÉÇÑ DMSA ½ÅÁÖ»ç
°Ë»ç¸¦ ÀÌ¿ëÇÏ¿© ¿ª·ù±³Á¤ ¼ö¼ú±º¿¡ À־ ¼úÈÄ ÃßÀû»ó ½ÇÁ¦ °ú¿¬ »õ·Î¿î ½Å¹ÝÈçÀÇ ¹ß»ý°ú
½Å¹ÝÈçÀÌ ÁøÇàµÇ´ÂÁö¸¦ °ËÁõÇØ º¸°íÀÚ ÇÏ¿´´Ù
#ÃÊ·Ï#
Purpose: 99mTc-dimercaptosuccinic acid(DMSA) renal scintigraphy is
recognized as the most effective imaging modality for demonstrating renal scarring In
children with vesicoureteral reflux. We determined if significant numbers of new scar
develop and progression of scarring occur after antireflux surgery.
Materials and Methods: Retrospective study was undertaken In a series of 102 reflux
renal units out of 60 children(male 35, female 25) with vesicoureteral reflux as
documented by voiding cystourethrography, whose age was 28(median, range:1-150)
months. We carefully examined DMSA renal scans taken in 2(median, range:0.3-58)
months before operation and 18(median, range:3-62) months after operation in each
patients. Twenty two children(37 renal units) were further followed up by additional
scans up to 50(median, range:25-120) months postoperatively. Each scan was blindly
reviewed twice in terms of the size, number and zonal location of the cortical defects
based on morphology. The Interval changes were categorized into 3 patterns(improved,
no change, progressed) based on the review findings
Results: There were no patients with postoperative pyelonephritis but asymptomatic
bacteriuria were found in 19 patients(31.5%). Most(57 patients, 109 renal units) of the
antireflux operation were done by Cohen method and refluxes were still found in 8 renal
units(7.8%) in immediately postoperative periods and were ultimately disappeared. No
postoperative urethral obstruction was found on intravenous pyelogram. On follow-up
renal scintigraphy most of renal units(89, 87.3%) showed no change while 11(10.7%)
showed improvement and progression was observed In 2(2.0%). No correlation was
established between scintigraphic change and several clinical factors such as sex, age of
first pyelonephritis presentation, presence or frequency of pyelonephritis before initial
renal scan , nor postoperative episodes of urinary tract infection.
Conclusions: Our results show that on the contrary to the most of the previous
reports, no further development of renal scar was found after successful surgery. There
was no significant morphologic change in the postoperative follow-up renal scan in most
of reflux and if any, most were disappearance or diminution of renal scars.

Å°¿öµå

Vesicoureteral reflux; Renal scar; DMSA scan; Antireflux surgery;

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