Department of Radiology and Research Institute of Radiological Science, Severance Children's Hospital, Yonsei University, College of Medicine, Seoul, Korea. mjl1213@yuhs.ac
Published online: June 30, 2013.
ABSTRACT
Hydronephrosis is the most common urogenital anomaly with the potential for obstructive process. And ultrasonography, as a first-line imaging modality, is a useful tool for evaluation of prenatal and postnatal hydronephrosis, even though evaluation of renal function is still needed. In this article, we review the common causes of congenital hydronephrosis and the sonographic findings of those diseases.
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