case_images: PMC6360540_01
case_images: Four-chamber echo showing RV hypoplasia in twin boy (a) and girl (b).
case_images: CRIPE2019-6871340.001.jpg
case_images: PMC6360540_01_CRIPE2019-6871340.001.jpg
case_images: fig1
case_images: 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).
case_images: PMC6360540_02
case_images: Nonapex-forming RV seen on MRI in twin boy.
case_images: CRIPE2019-6871340.002.jpg
case_images: PMC6360540_02_CRIPE2019-6871340.002.jpg
case_images: fig2
case_images: 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).