по узи можно заподозрить рефлюкс - расширение лоханки как признак ПМР:
Ultrasound findings were considered suggestive of VUR if “dilatation of the pelvi-calyces”, “dilatation of the ureters”, or “dilatation of the collecting system” of one or both kidneys...
на узи расширение говорит о рефлюксе всего в 30%, но отсутствие расширения исключает рефлюкс в 80%
The sensitivity and specificity of ultrasound in suggesting VUR were 40% and 76%, respectively. The positive predictive value of ultrasound in suggesting VUR was 32%; the negative predictive value was 82%
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