EVALUATION OF RENAL SCARS BY TECHNETIUM-LABELED DIMERCAPTOSUCCINIC ACID SCAN, INTRAVENOUS UROGRAPHY, AND ULTRASONOGRAPHY - A COMPARATIVE-STUDY

被引:67
作者
SHANON, A
FELDMAN, W
MCDONALD, P
MARTIN, DJ
MATZINGER, MA
SHILLINGER, JF
MCLAINE, PN
WOLFISH, N
机构
[1] CHILDRENS HOSP EASTERN ONTARIO, DEPT PEDIAT, OTTAWA K1H 8L1, ONTARIO, CANADA
[2] CHILDRENS HOSP EASTERN ONTARIO, DEPT RADIOL, OTTAWA K1H 8L1, ONTARIO, CANADA
[3] CHILDRENS HOSP EASTERN ONTARIO, DEPT UROL, OTTAWA K1H 8L1, ONTARIO, CANADA
[4] CHILDRENS HOSP EASTERN ONTARIO, DEPT NEPHROL, OTTAWA K1H 8L1, ONTARIO, CANADA
关键词
D O I
10.1016/S0022-3476(05)80904-7
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
The objective of our prospective study was to compare the sensitivity and specificity of ultrasonography, intravenous pyelography, and dimercaptosuccinic acid scan in detecting scarred kidneys. Twenty-seven consecutive subjects with recurrent urinary tract infections, vesicoureteral reflux, scarred kidneys, or a combination of these problems had all three imaging procedures performed. With the total number of scars serving as the gold standard, the sensitivity (94%) and specificity (100%) in identifying renal scars in children were highest for the DMSA scan. Intraobserver (95%) and interobserver (90%) reliability were also high for the DMSA scan. However, the clinical interpretation of the increased sensitivity of the DMSA scan is unknown. Changes on the scan not identified by intravenous urography may not represent true scars. Research into the long-term significance of these scars is indicated.
引用
收藏
页码:399 / 403
页数:5
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