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    Go to the top of the page   ID: 20021002125133 Original case in english  More links about this topic on Pubmed (PubMed Reader)
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    Hydronephrosis with megaureter at ureterostium stenosis
    Carsten Bock. Hydronephrosis with megaureter at ureterostium stenosis. PedRad [serial online] vol 2, no. 10.
    URL: www.PedRad.info/?search=20021002125133


     
     Pediatric Radiology CasesImages to this case: There are Ultrasound-images available for this case. [ Ultrasound ] View all modalities [ All ]   
     Pediatric Radiology CasesAuthor/s:

    Carsten Bock (Halle)  

     
     Pediatric Radiology CasesEmail Address:

    Viewable for logged on visitors (Log on)  

     
     Pediatric Radiology CasesAge:

    N/A  

     
     Pediatric Radiology CasesGender:

    N/A  

     
     Pediatric Radiology CasesRegion-Organ:

    Abdomen-Renals  

     
     Pediatric Radiology CasesMost likely etiology:

    congenital  

     
     Pediatric Radiology CasesHistory:

    Clinically asymptomatic child. (In the prenatal diagnostics there was a widening of the left renal pelvis and the left ureter seen)  

     
     Pediatric Radiology CasesPathomorphology or Pathophysiology of this disease :

    Due to ostium stenosis, urine blockage and by persistance irreversible pressure atrophy of the kidney parenchyma.  

     
     Pediatric Radiology CasesRadiological findings:


    Ultrasound 1 <- view Ultrasound 1

    Ultrasound 1: Longitudinal left kidney. Ballooning of the renal pelvis and widened calyces with maintained form between the pyelon and calyx system. Calyx necks are without a doubt open. Narrowing of the parenchyma between the calyces (urine transport defect III.°).





    Ultrasound 2 <- view Ultrasound 2

    Ultrasound 2: Megaureter, proximal.




    Ultrasound 3 <- view Ultrasound 3

    Ultrasound 3: Megaureter, retrovesical.

     

     
     Pediatric Radiology CasesDiagnosis confirmation:

    Imaging including endoscopy  

     
     Pediatric Radiology CasesWhich DD would be also possible with the radiological findings:

    The hyrdonephrosis with megaureter (as in this case) must be differentiated from a ureter stenosis.

    Without a megaureter, a ureteric stenosis (most common cause), stones, an accessory pole vessel or ureteric spasm as an intermittent hinderance of passage can be possible differential diagnoses.

    Differetial diagnoses could also include polycystic kidneys, which have similar findings. The difference can be difficult, if a large cyst lies centrally or if the parynchema is so thin, that it looks similar to septae. Sonographically, the difference lies always in the connection to the cayxes and pyelon.

    The miction zysto-uerterography shows no vesiculo-ureteric reflux and no subvesical obstruction, so that a diagnosis of a massive vesiculo-ureteric reflux can be discarded.  

     
     Pediatric Radiology CasesCourse / Prognosis / Frequency / Other :

    The pressure atrophy of the parenchyma is irreversible. After treatment of the cause, usually the widening of the pyelon, the calyces and the ureter does not fully retract (persistent ectasia). The renal function can, however, be partially or completely maintained.  

     
     Pediatric Radiology CasesComments of the author about the case:

    N/A  

     
     Pediatric Radiology CasesFirst description / History:

    N/A  

     
     Pediatric Radiology CasesLiterature:

    N/A  

     
     Pediatric Radiology CasesKeywords:

    Hydronephrosis, megaureter, ureterostium, stenosis, pressure atrophy, kidney parenchyma, child, childhood, pediatric radiology  

     
     Pediatric Radiology Cases Cite this article:

    Carsten Bock. Hydronephrosis with megaureter at ureterostium stenosis. PedRad [serial online] vol 2, no. 10.
    URL: www.PedRad.info/?search=20021002125133  

     
     Pediatric Radiology Cases Read similar articles: with corresponding keywords
    in the same field: Abdomen-Renals
    or in the region: Abdomen
    or in the tissue/organ: Renals
    or with the etiology: congenital
     
     Pediatric Radiology CasesImages to this case: There are Ultrasound-images available for this case. [ Ultrasound ] View all modalities [ All ]   
     
    Hydronephrosis with megaureter at ureterostium stenosis
    Carsten Bock. Hydronephrosis with megaureter at ureterostium stenosis. PedRad [serial online] vol 2, no. 10.
    URL: www.PedRad.info/?search=20021002125133


     

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    Hydronephrosis with megaureter at ureterostium stenosis
    Other cases by these authors:

    Search Carsten Bock in Medline Carsten Bock (9)   

    Hydronephrosis with megaureter at ureterostium stenosis  
     
    Hydronephrosis with megaureter at ureterostium stenosis
    Carsten Bock. Hydronephrosis with megaureter at ureterostium stenosis. PedRad [serial online] vol 2, no. 10.
    URL: www.PedRad.info/?search=20021002125133


     
     
    Hydronephrosis with megaureter at ureterostium stenosis
    Carsten Bock. Hydronephrosis with megaureter at ureterostium stenosis. PedRad [serial online] vol 2, no. 10.
    URL: www.PedRad.info/?search=20021002125133


     

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    Hydronephrosis with megaureter at ureterostium stenosis
    Carsten Bock. Hydronephrosis with megaureter at ureterostium stenosis. PedRad [serial online] vol 2, no. 10.
    URL: www.PedRad.info/?search=20021002125133


     




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