PMC4317071_01
Left sagittal sonogram of fetal chest: echogenic pulmonary mass and visualisation of systemic feeding artery arising from the abdominal aorta (arraw)
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F0001
A repeat ultrasonography showed a hyperechoic mass in the left lung and the combination of color Doppler ultrasound allowed visualization of a vessel arising from the descending aorta, which supplied the mass (Figure 1).
Coronal prenatal MR image: left-sided triangular pulmonary mass of increased signal intensity. Note systemic feeding artery arising from the abdominal aorta (arraw)
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F0002
It revealed a well-defined triangular mass with homogeneous high-signal intensity when compared with normal lung tissue in the left down lung field, which was compatible with pulmonary sequestration (Figure 2).