EURORAD ESR

Case 9845

Contrast-enhanced MR angiography features of a retro-psoas iliac artery

Author(s)
Sergio Savastano, Mario Beghetto, Paolo Cavaliere, Jacopo Dall’Acqua, Alessandra Costantini, Leonardo Giarraputo, Luca Boi

Radiology Unit, Department of Diagnostic Imaging,
Ospedale San Bortolo
v.le F. Rodolofi 37 36100 Vicenza, Italy;
Email:sergio.savastano@ulssvicenza.it
 
Patient
male, 57 year(s)
 
 
  • Figure 1
    Contrast-enhanced MR angiograpy
     

    Frontal MIP. High bifurcation of the aorta, a fusiform aneurysm of the right common iliac artery, elongation and kinking of the left iliac artery are appreciable; the left internal iliac artery is not opacified.

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR-Angiography; Procedure: Diagnostic procedure; Special Focus: Congenital;

    Left anterior oblique view MIP. Slight dilatation of both the superior mesenteric artery and the distal segment of the left renal artery, consisting with dyspastic aneurysm, are also evident.

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR-Angiography; Procedure: Diagnostic procedure; Special Focus: Congenital;
     
     
  • Figure 2
    Contrast-enhanced axial 3D gradient echo sequences with fat suppression
     

    The left iliac artery proximally runs posteriorly between the lumbar spine and the psoas muscle.

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Congenital;

    On a lower level the left iliac artery course posteriorly to the psoas muscle; metastases to the left iliac bone are also visible.

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Congenital;

    Distally the left iliac artery lies along the medial aspect of psoas muscle just cranially to the origin of the left common femoral artery.

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Congenital;
     
     
  • Figure 3
    CE 3D MRA reformations
     

    Axial MIP of CE 3D MRA just below the aortic bifurcation demonstrates the origin of the right fifth lumbar artery from the left iliac artery.

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR-Angiography; Procedure: Computer Applications-3D; Special Focus: Congenital;

    VR (posterior view). The arteria sacralis rises from the left iliac artery (arrow).

     
    Area of Interest: Arteries / Aorta; Imaging Technique: MR-Angiography; Procedure: Computer Applications-3D; Special Focus: Congenital;
     
     
Frontal MIP. High bifurcation of the aorta, a fusiform aneurysm of the right common iliac artery, elongation and kinking of the left iliac artery are appreciable; the left internal iliac artery is not opacified.
 
Left anterior oblique view MIP. Slight dilatation of both the superior mesenteric artery and the distal segment of the left renal artery, consisting with dyspastic aneurysm, are also evident.
 
The left iliac artery proximally runs posteriorly between the lumbar spine and the psoas muscle.
 
On a lower level the left iliac artery course posteriorly to the psoas muscle; metastases to the left iliac bone are also visible.
 
Distally the left iliac artery lies along the medial aspect of psoas muscle just cranially to the origin of the left common femoral artery.
 
Axial MIP of CE 3D MRA just below the aortic bifurcation demonstrates the origin of the right fifth lumbar artery from the left iliac artery.
 
VR (posterior view). The arteria sacralis rises from the left iliac artery (arrow).
 
 
 
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