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    Case of the Day
    Renal abscess (E.coli)

    Modality: MRI Modality: MRI Modality: MRI

    View here all images of this case in different sizes !

    Go to the top of the page ID: 20020404174345
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     Renal abscess (E.coli)   
     Available images: There are MRI images available for this case. [ MRI ]   

    M. Uhl (Freiburg)  

     Email Address:

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    15 Years  




    15 year-old girl with fever, pyuria, leucocyturia, bacteruria in mid-stream urine (E. coli).  

     Pathomorphology or Pathophysiology of this disease :

    85% of all UTIs in girls are E. coli. Most ascending infections, abscess is a complication of a pyelonephritis.

    Surgery (emergency) with drainage: creamy pus with E. coli.  

     Radiological findings:

    Ultrasound1  Mass without echos in the right kidney, measuring  4 x 4 cm.<br /><br /> <- view Ultrasound1 Mass without echos in the right kidney, measuring 4 x 4 cm.

    Ultrasound1: Mass without echos in the right kidney, measuring 4 x 4 cm.

    MRI 1 <- view MRI 1

    MRI 1: Gradientenecho T1 (FLASH) with contrast, coronal. Liquid mass, softly marcated, no contrast uptake. No urinary problems.

    MRI 2 <- view MRI 2

    MRI 2: Turbospinecho T2 coronal.

    MRI 3 <- view MRI 3

    MRI 3: Turbospinecho T2 transversal :A small fluid level can be seen. The signal is not urine isointense in T1 and T2, so there is no clear cyst or urinoma.


     Diagnosis confirmation:

    Surgery / Histo  

     Which DD would be also possible with the radiological findings:

    Complicated kidney cyst with increased protein content.  

     Course / Prognosis / Frequency / Other :


     Comments of the author about the case:


     First description / History:






     Most likely etiology:

    inflammatory or infectious  

     Available images: There are MRI images available for this case. [ MRI ]   
    More cases from these authors: Search M. Uhl in Medline M. Uhl (5)     

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