EURORAD ESR

Case 12651

Vein of Galen aneurysmal malformation: Prenatal ultrasound diagnosis

Author(s)
Sammy Tawk, MD1, Nabil Helou, MD2, Elie Barakat, MD1, Linda Daou, MD3.

(1) Lebanese University, School of Medicine, Radiology department, Beirut, Lebanon.
(2) Radiology department, Aboujaoude Hospital, Jal El Dib Beirut, Lebanon.
(3) Pediatric Cardiology department, Saint Joseph University, Beirut, Lebanon.
Email:tawk.sammy@gmail.com
 
Patient
female, 23 year(s)
 
 
  • Figure 1
    Fetal ultrasound image

    Four chamber cardiac view - showing cardiomegaly (Cardio-thoracic area ratio a/b = 0.5) predominantly in the right cavities.

     
    Area of Interest: Foetal imaging; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Fetus;
     
     
  • Figure 2
    Fetal ultrasound image

    Three-vessel view - showing a dilated superior vena cava. ao: Aorta, pa: Pulmonary artery, svc: Superior vena cava.

     
    Area of Interest: Foetal imaging; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Fetus;
     
     
  • Figure 3
    Fetal ultrasound image

    Axial view slightly above the three-vessel view – demonstrating a dilated left brachiocephalic vein (arrow) draining in the dilated superior vena cava. svc: Superior vena cava.

     
    Area of Interest: Foetal imaging; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Fetus;
     
     
  • Figure 4
    Axial fetal brain ultrasound image

    B mode image just above the midbrain level demonstrating a midline anechoic tubular structure (arrow).

     
    Area of Interest: Foetal imaging; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Fetus;
     
     
  • Figure 5
    Axial fetal brain ultrasound image

    Color Doppler image just above the midbrain level showing a positive turbulent blood flow in the midline anechoic tubular structure.

     
    Area of Interest: Foetal imaging; Imaging Technique: Ultrasound; Ultrasound-Colour Doppler; Procedure: Diagnostic procedure; Special Focus: Fetus;
     
     
  • Figure 6
    Brain MRI (T2)

    Brain MRI (T2). Axial slice across the lateral ventricular antra (a) and mid-sagittal slice (b) showing median interventricular large flow void compatible with the dilated prosencephalic vein. Sagittal image showing...

     
    Area of Interest: Neuroradiology brain; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Haemodynamics / Flow dynamics;
     
     
Four chamber cardiac view - showing cardiomegaly (Cardio-thoracic area ratio a/b = 0.5) predominantly in the right cavities.
 
Three-vessel view - showing a dilated superior vena cava. ao: Aorta, pa: Pulmonary artery, svc: Superior vena cava.
 
Axial view slightly above the three-vessel view – demonstrating a dilated left brachiocephalic vein (arrow) draining in the dilated superior vena cava. svc: Superior vena cava.
 
B mode image just above the midbrain level demonstrating a midline anechoic tubular structure (arrow).
 
Color Doppler image just above the midbrain level showing a positive turbulent blood flow in the midline anechoic tubular structure.
 
Brain MRI (T2). Axial slice across the lateral ventricular antra (a) and mid-sagittal slice (b) showing median interventricular large flow void compatible with the dilated prosencephalic vein. Sagittal image showing straight sinus hypoplasia.
 
 
 
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