Thoraco-omphalopagus conjoined twins detected at as early as 9 weeks of gestation: transvaginal two-dimensional ultrasound, color Doppler and fetoplacental Doppler velocity waveform findings.

Abstract:

:Here we report a case of conjoined twins that were diagnosed antenatally by routine two-dimensional transvaginal ultrasound examination at as early as the 9th week of gestational age. The fetuses were of the thoraco-omphalopagus type and were sharing the liver, as confirmed by color Doppler. There was a reversed flow in the single ductus venosus of the twins. Umbilical arterial and venous blood flow waveform did not show any abnormality for this gestational age. This case demonstrated the possibility of making an accurate diagnosis of conjoined twins in the first trimester by transvaginal two-dimensional ultrasound and color Doppler examination. Although conjoined twins were described at first trimester before, fetoplacental Doppler waveform findings at this gestational age have been described very rarely. This case demonstrated the possibility of making an accurate diagnosis of conjoined twins and delineating the extent of organ sharing in the first trimester, and early diagnosis can help the parents with the option for pregnancy termination. The importance of expert early vaginal sonography and color Doppler findings is emphasized.

journal_name

Fetal Diagn Ther

authors

Basgül A,Kavak ZN,Sezen D,Basgul A,Gokaslan H

doi

10.1159/000093893

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

477-80

issue

5

eissn

1015-3837

issn

1421-9964

pii

93893

journal_volume

21

pub_type

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