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. 2025 Sep 24;20:486. doi: 10.1186/s13023-025-04001-x

Table 3.

WES diagnostic yield in fetal renal abnormalities with negative CMA/CNV-seq results

Prenatal renal anomalies
(HPO term)
Total cases
N
Cases
diagnosed by WES
Non-isolated cases Isolated cases
Total cases Diagnosed cases Total cases Diagnosed cases
More than one renal anomaly 18 4(22.2%) 3 1(33.3%) 15 3(20%)

Polycystic kidneys

HP:0000113

16 3(18.8%) 3 2(66.7%) 13 1(7.7%)

Unilateral renal agenesis

HP:0000104

12 2(16.7%) 3 1(33.3%) 9 1(11.1%)

Hyperechogenic kidneys

HP:0004719

7 2(28.6%) 6 2(33.3%) 1

Hydronephrosis

HP:0000126

6 5 1

MCDK

HP:0000003

5 1(20%) 1 1 4

Ectopic kidney

HP:0000086

5 2 3

Renal duplication

HP:0000075

2 2

Renal dysplasia

HP:0000110

2 1 1

Renal cysts

HP:0000107

2 2

Horseshoe kidney

HP:0000085

1 1
Total 76 12(15.8%) 28 7(25%) 48 5(10.4%)

Abbreviations: HPO, Human Phenotype Ontology; HP, the HPO Term Identifier. MCDK, multicystic dysplastic kidney