PMC6939417_01
(a) Chest radiography image obtained at 1 day of life showing right lung hypoplasia and mesocardia. (b) Chest radiography image obtained at 14 days of life, showing that the heart had shifted slightly to the right side. (c) Chest radiography image obtained at 45 days of life showing that the heart had further shifted to the right side. (d) Chest radiography image obtained at 77 days of life (40 weeks postmenstrual age), the heart was completely located in the right thoracic cavity.
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fig1
Serial examinations showed that the heart position had changed from the median position to the right position (Figure 1); the differences between the left and right pulmonary artery diameters gradually became apparent (Figure 2).
(a) No difference between the left and right pulmonary artery diameter noted at 1 day of life. (b) At 14 days of life, the right pulmonary artery (rPA) diameter was 3.0 mm, and the left pulmonary artery (lPA) diameter was 3.6 mm. (c) At 45 days of life, the rPA diameter was 3.1 mm, and the lPA diameter was 6.2 mm. (d) At 77 days of life (40 weeks postmenstrual age), the rPA diameter was 3.4 mm, and the lPA diameter was 6.8 mm.
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fig2
Serial examinations showed that the heart position had changed from the median position to the right position (Figure 1); the differences between the left and right pulmonary artery diameters gradually became apparent (Figure 2).
Contrast-enhanced computed tomography examination showed partial anomalous pulmonary venous drainage from the right lung into the inferior vena cava (arrow).
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fig3
Contrast-enhanced computed tomography examination showed partial anomalous pulmonary venous drainage from the right lung into the inferior vena cava at 73 days of life (Figure 3), and he was diagnosed with Scimitar syndrome due to right lung hypoplasia and dextroposition of the heart.