Unilateral renal agenesis | 22 (18.8%) | 3,9,14,18–21,24,28 (three cases),35,38,41,43,45 (four cases),51,52,54 |
Unilateral renal agenesis with agenesis of ureter | 4 (3.4%) | 32 (two cases),44,45 |
Bilateral renal agenesis | 6 (5.1%) |
12,
15,
16,
19,
39,
44
|
Bilateral renal agenesis with agenesis of ureters | 21 (17.9%) | 4 (seven cases),7,11,16 (two cases),19,21,29,31,34,36,40–42,53 |
Cystic dysplasia of kidneys or renal cysts | 14 (12%) | 4 (four cases),9,17,19,32,36,44–46,50 (two cases) |
Unilateral or bilateral renal hypoplasia or small kidneys | 14 (12%) | 3,4 (three cases),8,9,17,27,29,32 (two cases),49,50 (two cases) |
Absent, hypoplastic, or small bladder with or without urethra | 20 (17%) | 4 (four cases),7,11,16 (two cases),19,21,36 (two cases),39,40,42,44 (two cases),45,50,53 |
Agenesis of entire urinary apparatus |
29
|
Solitary pelvic kidney* |
20,
24
|
Bilateral renal artery agenesis |
41
|
Enlarged kidneys |
50
|
Duplex left kidney system/two left ureters |
3,
26
|
Hydronephrosis |
4,
36
|
Renal dysplasia | 45 (two cases),49 |
Hypertrophied or thick bladder |
4,
17
|
Bladder pseudexstrophy |
54
|
Anterior urethral atresia with deformed urinary bladder, bilateral hydronephrosis, and dilated ureters and umbilical discharge of urine |
46
|