case_images: PMC3100108_01
case_images: Echocardiogram of Twin B showing overriding aorta and right ventricular hypertrophy.
case_images: OBGYN2011-258431.001.jpg
case_images: PMC3100108_01_OBGYN2011-258431.001.jpg
case_images: fig1
case_images: Cardiac evaluation revealed the patient to be in sinus rhythm and echocardiography confirmed the diagnosis of Tetralogy of Fallot with mild right ventricular outflow tract obstruction; no ductal shunt was appreciated (Figure 1).
case_images: Autopsy of Twin B heart and lungs showing small sized pulmonary artery and right ventricular hypertrophy.
case_images: OBGYN2011-258431.002.jpg
case_images: PMC3100108_01_OBGYN2011-258431.002.jpg
case_images: fig2
case_images: TOF and the pulmonary artery was markedly diminished in size. The ductus arteriosus could not be demonstrated (Figure 2).
case_images: Echocardiogram of Twin A showing small pulmonary annulus and dilated distal branch of pulmonary artery.
case_images: OBGYN2011-258431.003.jpg
case_images: PMC3100108_01_OBGYN2011-258431.003.jpg
case_images: fig3
case_images: Tetrology of Fallot and pulmonary regurgitation. The main pulmonary artery annulus was small and measured 2.5 mm and the distal branch of pulmonary arteries measured 4.5 mm (Figure 3).