PMC6195922_01
Gray scale transabdominal ultrasound. (a) Longitudinal and (b) transverse views show the fusion site with single central heart.
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fig1
Only one functional foetal heart was observed centrally between both the foetuses with slight tendency towards one of the foetuses (Figures 1 and 2).
Three-dimensional ultrasound image shows two fused foetuses with free lower limbs.
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fig2
Only one functional foetal heart was observed centrally between both the foetuses with slight tendency towards one of the foetuses (Figures 1 and 2). The colour Doppler study showed two aortic arches emerging from the single functional heart (Figure 2).
Transabdominal colour Doppler ultrasound shows single central heart with two aortic arches and two descending aortas.
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fig3
On the basis of these findings, a diagnosis of dicephalic thoraco-omphalopagus conjoined twins was made (Figure 3).
Photographic images (a-d) show the thoraco-omphalopagus conjoined twins immediately after delivery.
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fig4
A CS was performed at the request of the parents in the hospital and the delivery of viable conjoined twins aged 19 weeks was achieved without complication (Figure 4 and Supplementary Video).