EURORAD ESR

Case 14175

Infected isolated aneurysm of the left common iliac artery

Author(s)
Sampaio-Macedo C, Araújo J, Ricardo M, Oliveira J, Oliveira-Reis D, Carneiro D, Castro A, Louro J, Teixeira-Gomes M, Rocha-Neves J

Radiology Department
Centro Hospitalar do Porto
Portugal;
Email:cssampaiomacedo@gmail.com
 
Patient
male, 65 year(s)
 
 
  • Figure 1
    Color-Doppler ultrasound

    Color-Doppler ultrasound shows the ‘yin-yang’ sign, which indicates bidirectional blood flow within the aneurysm.

     
    Area of Interest: Vascular; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Technical aspects; Special Focus: Blood;
     
     
  • Figure 2
    CE-MDCT - arterial phase

    CE-MDCT - arterial phase demonstrates a saccular aneurysm in the left common iliac artery (blue arrow) and a mural thrombus with ‘high-attenuating crescent sign’ (orange arrow).

     
    Area of Interest: Vascular; Imaging Technique: CT-Angiography; Procedure: Computer Applications-Detection, diagnosis; Special Focus: Blood;
     
     
  • Figure 3
    CE-MDCT - venous phase

    CE-MDCT - venous phase shows a globular kidney, mild hydronephrosis (blue arrow) and low-attenuation small cortical fluid collections (orange arrow) in keeping with complicated pyelonephritis.

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Computer Applications-Detection, diagnosis; Special Focus: Acute;
     
     
  • Figure 4
    CE-MDCT - arterial phase

    CE-MDCT - arterial phase shows hydroureter (blue arrows), the aneurysm (orange arrow), the high-crescent sign (green arrow) and the irregular outline of the contained rupture (white arrow).

     
    Area of Interest: Abdomen; Imaging Technique: CT; Procedure: Computer Applications-Detection, diagnosis; Special Focus: Acute;
     
     
Color-Doppler ultrasound shows the ‘yin-yang’ sign, which indicates bidirectional blood flow within the aneurysm.
 
CE-MDCT - arterial phase demonstrates a saccular aneurysm in the left common iliac artery (blue arrow) and a mural thrombus with ‘high-attenuating crescent sign’ (orange arrow).
 
CE-MDCT - venous phase shows a globular kidney, mild hydronephrosis (blue arrow) and low-attenuation small cortical fluid collections (orange arrow) in keeping with complicated pyelonephritis.
 
CE-MDCT - arterial phase shows hydroureter (blue arrows), the aneurysm (orange arrow), the high-crescent sign (green arrow) and the irregular outline of the contained rupture (white arrow).
 
 
 
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