Residual intravesical iodinated contrast: a potential cause of false-negative reflux study at contrast-enhanced voiding urosonography

被引：0
|
作者：
Gabrielle C. Colleran
Harriet J. Paltiel
Carol E. Barnewolt
Jeanne S. Chow
机构：
[1] Boston Children’s Hospital and Harvard Medical School,Department of Radiology
来源：
Pediatric Radiology | 2016年 / 46卷
关键词：
Child; Contrast-enhanced ultrasound; Contrast-enhanced voiding urosonography; Vesicoureteric reflux; Voiding cystourethrography;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A 9-month-old girl underwent conventional cyclic voiding cystourethrography (VCUG) followed immediately by cyclic contrast-enhanced voiding urosonography (ceVUS). Although the VCUG showed unilateral grade II reflux, the ceVUS showed no reflux. Images from the ceVUS showed posterior dependent layering of the denser iodinated contrast in the bladder. This layering likely prevented reflux of US microbubbles resulting in a false-negative ceVUS. To our knowledge, this potential pitfall has not yet been reported.
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页码：1614 / 1617
页数：3
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