Thoraco-omphalopagus Twins

Authors

Abstract

Conjoined Twins: Developmental Theories
Partial fission (occurring between days 15–17 of gestation, in which monochorionic-monoamniotic twins exhibit incomplete separation of the bilaminar embryonic disc) and secondary fusion (initially independent embryos that subsequently fuse) are the two main theories.
Thoraco-omphalopagus: The most common type of conjoined twins, with a frequency of 28%. They are characterized by a complex, shared heart with symmetric contribution from both twins. Additionally, they typically share the liver, diaphragm, and proximal intestines.
Prognosis: They are rarely candidates for surgical separation due to cardiac involvement.

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Author Biographies

Nelson Rodriguez Paz , Médico Especialista Pediatra HNMCR

1. Boer L, Schepens A, Oostra R. Two is a crowd.Clinical Anatomy [Internet]. 2019. [citado 19 abril 2022]; 32(5): 722–741. Disponible en: https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/ca.23387
2. Rafay-Afzal A, Montero F. Conjoined Twins. National Library of Medicine [Internet]. 2021. [citado 20abril 2022]; 2022 Enero-. Disponible en: https://www.ncbi.nlm.nih.gov/books/NBK560839/

Gabriela Maria Rivera Vega, *Médico Residente de Primer año de Pediatría HNMCR.

1. Boer L, Schepens A, Oostra R. Two is a crowd. Clinical Anatomy [Internet]. 2019. [citado 19 abril 2022]; 32(5): 722–741. Disponible en: https://online library.wiley.com/doi/pdfdirect/10.1002/ca.23387
2. Rafay-Afzal A, Montero F. Conjoined Twins. National Library of Medicine [Internet]. 2021. [citado 20 abril 2022]; 2022 Enero-. Disponible en: https://www.ncbi.nlm.nih.gov/books/NBK560839

Reenie Helena Pineda Villeda, *Médico Interno de Pediatría HNMCR

1. Boer L, Schepens A, Oostra R. Two is a crowd. Clinical Anatomy [Internet]. 2019. [citado 19 abril 2022]; 32(5): 722–741. Disponible en: https://online library.wiley.com/doi/pdfdirect/10.1002/ca.23387
2. Rafay-Afzal A, Montero F. Conjoined Twins. National Library of Medicine [Internet]. 2021. [citado 20 abril 2022]; 2022 Enero-. Disponible en: https://www.ncbi.nlm.nih.gov/books/NBK560839

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Published

2025-12-10

How to Cite

Rodriguez Paz , N., Rivera Vega, G. M., & Pineda Villeda, R. H. (2025). Thoraco-omphalopagus Twins. Acta Pediátrica Hondureña, 12(2), 1290. Retrieved from https://www.camjol.info/index.php/PEDIATRICA/article/view/21105

Issue

Vol. 12 No. 2 (2021): Non-occupational Post-exposure Prophylaxis for HIV

Section

Clinical Images