EURORAD ESR

Case 12453

A rare cause of liver tumour: perivascular epithelioid cell tumour (PEComa)

Author(s)
David A, Metairie S, Joubert M, Frampas E

Service de Radiologie Centrale
Centre Hospitalier Universitaire de Nantes,
1 place Alexis Ricordeau
44000 Nantes
Email:art.dav44@gmail.com
 
Patient
male, 42 year(s)
 
 
  • Figure 1
    Ultrasound

    Ultrasound revealed a well-limited, nodular, hypoechoic lesion.

     
    Area of Interest: Liver; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 2
    Abdominal CT
     

    Precontrast abdominal CT revealed a low-attenuated rounded lesion (arrow).

     
    Area of Interest: Liver; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    Contrast-enhanced abdominal CT at arterial phase showed a light enhancement of the tumour.

     
    Area of Interest: Liver; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    Contrast-enhanced abdominal CT at portal phase revealed an isodense tumour.

     
    Area of Interest: Liver; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    Contrast-enhanced abdominal CT at delayed phase revealed a hypodense tumour.

     
    Area of Interest: Liver; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 3
    Abdominal MRI
     

    In T2-weighted abdominal MRI, the tumour appears well-limited, with a slightly hyperintense signal.

     
    Area of Interest: Liver; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    Arterial phase enhanced T1-weighted abdominal MRI shows a light enhancement of the tumour.

     
    Area of Interest: Liver; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    Delayed phase enhanced T1-weighted abdominal MRI reveals a hypointense tumour.

     
    Area of Interest: Liver; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    In T1-weighted, in phase and opposed phase, the tumour appears hypointense, without modification of signal.

     
    Area of Interest: Liver; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
Ultrasound revealed a well-limited, nodular, hypoechoic lesion.
 
Precontrast abdominal CT revealed a low-attenuated rounded lesion (arrow).
 
Contrast-enhanced abdominal CT at arterial phase showed a light enhancement of the tumour.
 
Contrast-enhanced abdominal CT at portal phase revealed an isodense tumour.
 
Contrast-enhanced abdominal CT at delayed phase revealed a hypodense tumour.
 
In T2-weighted abdominal MRI, the tumour appears well-limited, with a slightly hyperintense signal.
 
Arterial phase enhanced T1-weighted abdominal MRI shows a light enhancement of the tumour.
 
Delayed phase enhanced T1-weighted abdominal MRI reveals a hypointense tumour.
 
In T1-weighted, in phase and opposed phase, the tumour appears hypointense, without modification of signal.
 
 
 
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