PMC6360540_01
Four-chamber echo showing RV hypoplasia in twin boy (a) and girl (b).
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fig1
The distance from the tricuspid valve annulus to the lowermost portion of the right ventricle was 4.6 cm and 4.5 cm in the boy and girl, respectively, while the distance from the mitral valve annulus to the true apex was 8.4 cm and 7.7 cm, respectively (Figure 1).
PMC6360540_02
Nonapex-forming RV seen on MRI in twin boy.
CRIPE2019-6871340.002.jpg
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fig2
Due to the concerns of early death of the father, a cardiac MRI was performed which revealed a nonapex-forming right ventricle with a small size of trabecular portion (Figure 2).