EURORAD ESR

Case 14793

Adventitial cystic disease of the popliteal artery

Author(s)
Elst, Janne1; De Backer, Adelard1; Vanhoenacker, Filip2, 3, 4

1. AZ Sint Lucas Ziekenhuis, Gent. Groenebriel 1, 9000 Gent
2. AZ Sint-Maarten Duffel-Mechelen, Department of Radiology, Leopoldstraat 2, 2800 Mechelen, Belgium
3. Ghent University Hospital, Department of Radiology, De Pintelaan 185, 9000 Ghent, Belgium
4. Antwerp University Hospital, Department of Radiology, Wilrijkstraat 10, 2650 Edegem, Belgium
 
Patient
male, 56 year(s)
 
 
  • Figure 1
    Colour Doppler US
     

    Axial ultrasound image shows a multilocular hypoechoic structure with retro-acoustic enhancement (asterisk) surrounding the popliteal artery (arrow). There is absence of flow on colour Doppler examination within the...

     
    Area of Interest: Vascular; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Diagnostic procedure; Special Focus: Cysts;

    Sagittal ultrasound image shows the same multilocular hypoechoic structure with retro-acoustic enhancement (asterisk) surrounding the popliteal artery (arrow). There is absence of flow on colour Doppler examination...

     
    Area of Interest: Vascular; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Diagnostic procedure; Special Focus: Cysts;
     
     
  • Figure 2
    CT angiography

    CT angiography (MIP reconstruction) shows an occlusion of the popliteal artery (arrow). There are no signs of atherosclerotic degeneration.

     
    Area of Interest: Vascular; Imaging Technique: CT-Angiography; Procedure: Diagnostic procedure; Special Focus: Cysts;
     
     
  • Figure 3
    MRI
     

    MRI without intravenous contrast (axial STIR image) shows extensive multilocular cystic mass (asterisk) originating from the wall of the popliteal artery (arrow).

     
    Area of Interest: Vascular; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Cysts;

    STIR image shows significant mass effect on the neurovascular bundle (curved arrow), containing the tibial nerve, with narrowing of the popliteal lumen (arrow). Note the connection of the cystic lesion to the joint...

     
    Area of Interest: Vascular; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Cysts;

    MRI without intravenous contrast (sagittal PD image) shows extensive multilocular cystic mass (asterisk) originating from the wall of the popliteal artery (arrow).

     
    Area of Interest: Vascular; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Cysts;
     
     
Axial ultrasound image shows a multilocular hypoechoic structure with retro-acoustic enhancement (asterisk) surrounding the popliteal artery (arrow). There is absence of flow on colour Doppler examination within the lesion.
 
Sagittal ultrasound image shows the same multilocular hypoechoic structure with retro-acoustic enhancement (asterisk) surrounding the popliteal artery (arrow). There is absence of flow on colour Doppler examination within the lesion.
 
CT angiography (MIP reconstruction) shows an occlusion of the popliteal artery (arrow). There are no signs of atherosclerotic degeneration.
 
MRI without intravenous contrast (axial STIR image) shows extensive multilocular cystic mass (asterisk) originating from the wall of the popliteal artery (arrow).
 
STIR image shows significant mass effect on the neurovascular bundle (curved arrow), containing the tibial nerve, with narrowing of the popliteal lumen (arrow). Note the connection of the cystic lesion to the joint space (asterisk).
 
MRI without intravenous contrast (sagittal PD image) shows extensive multilocular cystic mass (asterisk) originating from the wall of the popliteal artery (arrow).
 
 
 
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