EURORAD ESR

Case 13792

Unusual rupture of a renal cyst

Author(s)
Michaela Cellina, MD, Giancarlo Oliva, MD

Asst Fatebenefratelli - Sacco,
Radiology Department;
Piazza Principessa Clotilde 3
20121 Milan;
Email:michaela.cellina@asst-fbf-sacco.it
 
Patient
male, 42 year(s)
 
 
  • Figure 1
    US Examination

    Renal parenchyma distorted by a cyst (11 cm), partially anechoic (green arrows), partially occupied by an inhomogeneous hyperechoic component (orange arrows); perirenal fluid collection (black arrow). Small part of...

     
    Area of Interest: Abdomen; Imaging Technique: Ultrasound; Procedure: Embolisation; Special Focus: Trauma;
     
     
  • Figure 2
    Multiphasic CT study

    Intracystic haematoma (orange arrows) and fluid collection in the perinephric space (green arrows). Active bleeding with contrast-medium extravasation in the arterial phase (blue arrow Figure b), enlarging on delayed...

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Embolisation; Special Focus: Trauma;
     
     
  • Figure 3
    Coronal reformation of delayed CT phase

    Visualization of the renal cysts (orange arrows, Figures a, b) and of the retroperitoneal haemorrhage (blue arrows, Figures a, b). No urinary leak was recognizable (Figures a, b)

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Embolisation; Special Focus: Trauma;
     
     
  • Figure 4
    Follow–up CT (2 days after embolization)

    Coils positioned in the embolization (blue arrows). The known cyst presents inhomogeneous density (orange arrows), but no changes in density are recognizable after contrast medium administration (Figure b). No...

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Embolisation; Special Focus: Trauma;
     
     
Renal parenchyma distorted by a cyst (11 cm), partially anechoic (green arrows), partially occupied by an inhomogeneous hyperechoic component (orange arrows); perirenal fluid collection (black arrow). Small part of normal renal parenchyma is recognizable (blue arrows).
 
Intracystic haematoma (orange arrows) and fluid collection in the perinephric space (green arrows). Active bleeding with contrast-medium extravasation in the arterial phase (blue arrow Figure b), enlarging on delayed phases (blue arrows Figure c, d)
 
Visualization of the renal cysts (orange arrows, Figures a, b) and of the retroperitoneal haemorrhage (blue arrows, Figures a, b). No urinary leak was recognizable (Figures a, b)
 
Coils positioned in the embolization (blue arrows). The known cyst presents inhomogeneous density (orange arrows), but no changes in density are recognizable after contrast medium administration (Figure b). No contrast medium extravasation is recognizable.
 
 
 
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