Resumen

SALDARRIAGA-GIL, Wilmar et al. A case report and literature review regarding acardiac twin pregnancy coexisting with anencephalic twin, associated with being exposed to chicken pox during the first trimester of pregnancy. Rev Colomb Obstet Ginecol [online]. 2010, vol.61, n.4, pp.348-352. ISSN 0034-7434.

Introduction: an acardiac twin is a congenital malformation having low prevalence (1 in 35,000) births and is found in about 1 in every 100 monozygotic twins. The association of an acardiac twin with a second twin having greater malformations occurs in around 10% of cases. This article was aimed at reporting a case having very low prevalence and a review of the literature published about the etiology and physiopathology associated with acardiac anomaly, as well as the congenital anomalies associated with it and infection by the chicken pox virus. Materials and methods: the case of monochorionicdiamniotic twin pregnancy involving an acardius mylacephalus twin and a second anencephalic twin is presented, the mother having been exposed to chicken pox during the first trimester of pregnancy. G-band kariotyping showed 46 XY having no structural abnormalities. A search was made of the literature published during the last 10 years in the PubMed, Ovid and HINARI databases. Conclusion: the importance of this report lies in the fact that only one report of the association of acardiac twin coexisting with anencephalic twin was found in the pertinent literature. This is also the first report of the relationship between this combination of greater malformations in twin pregnancy and exposure to chicken pox during the first trimester of pregnancy.

Palabras clave : acardiac twin; anencephaly; chicken pox; ECLAMC.

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