Preferred Label : A2/3 Hydronephrosis;
Alternative definition : NICHD: Antenatal hydronephrosis with the following clinical findings: 1) an anterior-posterior
renal pelvis diameter (APRPD) of greater than or equal to 7mm at less than 28 weeks,
2) greater than or equal to10 mm at greater than or equal to 28 weeks, or 3) any one
of the following findings: a)dilation of peripheral calyces, b) abnormal parenchymal
thickness or appearance, c) visibly dilated ureter, d) an abnormal bladder, or e)
the presence of oligohydramnios suspected to be related to the urinary tract. (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 : C123165;
UMLS CUI : C4055622;
Has associated anatomic sites
Semantic type(s)
concept_is_in_subset