Resumen

RODRIGUEZ VELAZQUEZ, Lisandra et al. Siamese. Rev Cubana Obstet Ginecol [online]. 2012, vol.38, n.3, pp. 406-414. ISSN 0138-600X.

Introduction: conjoined twins are always a rare event, and inevitably it has puzzled specialists and people outside of medicine. The first Siamese Mery and Eliza were reported in 1100. Objective: to describe the first case reported in Cuba in the 1st. trimester of pregnancy. Patient: It is reported a case of omphalopagus conjoined twins diagnosed in the 1st. trimester of pregnancy in the Municipal Center of Genetics, San Miguel del Padrón. in the township consultation, we detected increased nuchal translucency in both twins, as well as defects in neural tube closure in one of them. At the tertiary level of care, these markers are confirmed, and changes in the venous ductus flow on both fetuses were detected. The cytogenetic study reported chromosomally normal fetuses. This pregnancy was interrupted at 17 weeks. Results: the pathologic study confirmed the presence of female omphalopagus conjoined twins. Both fetuses shared liver and a portion of small intestine. Hypoplastic left kidney was observed in the first fetus. The second twin presented neural tube defect, myelomeningocele and sacrococcygeal agenesis of the symphysis pubis. Conclusions: the effectiveness of the Cuban program for early detection of congenital malformations is confirmed.

Palabras clave : conjoined twins; omphalopagus.

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