Preferred Label : A1 Hydronephrosis;
Alternative definition : NICHD: Antenatal hydronephrosis with the following clinical findings: 1) an anterior-posterior
renal pelvis diameter (APRPD) of 4 to less than 7 mm at less than 28 weeks, 2) to
less than10 mm at greater than or equal to 28 weeks, and 3) may have central calyceal
dilation. (Adapted from: Hiep T. Nguyen, Carol B. Benson, Bryann Bromley, Jeffrey
B. Campbell, Jeanne Chow, Beverly Coleman, Christopher Cooper, Jude Crino, Kassa Darge,
C.D. Anthony Herndon, Anthony O. Odibo, Michael J.G. Somers, Deborah R. Stein; Multidisciplinary
consensus on the classification of prenatal and postnatal urinary tract dilation (UTD
classification system); Pediatric Urology; December 2014 Volume 10, Issue 6, Pages
982-998);
Origin ID : C123164;
UMLS CUI : C4055623;
Has associated anatomic sites
Semantic type(s)
concept_is_in_subset