Dirk Schaper, J. Hoff (Kinderchirurgie St. Barbara-Krankenhaus Halle/S.)  

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2 Weeks  

Male  

Abdomen-Renals  

congenital  

14 day-old newborn, prenatal sonogram with a concern for of hydronephrosis on the right side. Postnatal confirmation of the urinary flow disturbance. Clinically healthy child.  

N/A  

<- view Ultrasound 1

Ultrasound 1: Lower abdomen, transverse: Bladder is filled. Image shows an echo free structure on the right side, retrovesically.




<- view Ultrasound 2

Ultrasound 2: Lower abdomen, longitudinal: Tubular stucture cranio-lateral to the bladder, which is free of echos. Indicated tortuosity, no movement.




<- view Ultrasound 3

Ultrasound 3: Right flank, diagonally: Tubular tortuous structure without own movement. Large mass without echos.




<- view Ultrasound 4

Ultrasound 4: Anechoic structure with tubular tortuosity.




<- view Ultrasound 5

Ultrasound 5: This image shows the right kidney. The mass which is free of echoes reaches cranially.




<- view Ultrasound 6

Ultrasound 6: Right kidney without urinary obstruction.




<- view Ultrasound 7

Ultrasound 7: Cranial to the right kidney, there is an anechoic structure with thin parenchymal rim.




<- view X-Ray 1

X-Ray 1: Intravenous pyelogram (IVP): Displaced kidney and ureter through non-contrast filled mass.






<- view OP-Situs 1

OP-Situs 1: Intraoperative findings

 

Surgery / Histo  

Intestinal duplication  

Prenatal diagnostic and postnatal confirmation of the findings. The duplicated renal collecting system on the right side with severe dilatation of the ureter. The small upper pole moiety was shown. The ectopic ureter was shown under cystoscopy. The ureter terminates in the posterior urethra.

Heminephrourectomy of the right side.  

N/A  

N/A  

1. Medline:
Musi L, Campobasso P, Cappellari F, Mercurella A, Belloli G
Ectopic ureter
Pediatr Med Chir. 1989 Mar-Apr; 11(2): 129-35

2. Medline:
Smith P, Dunn M
Duplication of the upper urinary tract
Ann R Coll Surg Engl. 1979 Jul; 61(4): 281-6

3. Medline:
Decter RM
Renal duplication and fusion anomalies
Pediatr Clin North Am. 1997 Oct; 44(5): 1323-41.  

Duplication of kidneys, duplication of renal collecting system, double, kidney, double kidney, ureterectopia, hydronephrosis, upper pole, ureterectopy, Weigert, Meyer, Weigert-Meyer, Weigert-Meyer law, Weigert-Meyer rule,duplicated renal collecting system , child, childhood, pediatric radiology  

Dirk Schaper, J Hoff. Duplicated Renal Collecting System with Hydronephrosis of the Upper Pole Moiety due to Ectopic Ureter. PedRad [serial online] vol 4, no. 1.
URL: www.PedRad.info/?search=20040123114021