Figure 1:
Case 1: Prenatal image of RAA with ALSA using 2D ultrasound and 3D
ultrasound. (A) 2D ultrasound demonstrating the āUā-shaped VR. (B)
Color blood flow demonstrating the āUā-shaped VR and aberrant left
subclavian artery(ALSA). (C) The imaging of VR and ALSA was shown using
HD-flow render mode and STIC. (D) 2D ultrasound demonstrating the ALSA
with Descending aorta long axis view. (E) Color blood flow demonstrating
the ALSA. (F) The imaging of RAA and ALSA was shown using HD-flow render
mode and STIC. L: left, R: right, Ce: cephalic, Ca: caudal. A:
abdominal, P: spinal