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A case of thoracoabdominal ectopia cordis was diagnosed by ultrasonography at 21 weeks' gestation. Chromosomal analysis showed full trisomy 18. This case supports the associational of thoracoabdominal ectopia cordis (Cantrell's pentad) with chromosomal errors, specifically trisomy 18.
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Soper et al. (1986) studied this question.
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