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Fetus in fetu--from prenatal ultrasound and MRI diagnosis to postnatal confirmation.

Hui PW, Lam TP, Chan KL, Lee CP

Department of Obstetrics and Gynaecology, The University of Hong Kong, Hong Kong, China. pwhui@graduate.hku.hk

We report a case of fetus in fetu presented as a complex intra-abdominal heterogeneous cystic lesion during ultrasound examination of the fetus at 25 weeks of gestation. Progressive growth of this mass was noted in the prenatal period. Fetal magnetic resonance imaging provided additional information to aid in the prenatal diagnosis. This allows proper counselling for the parents and helps to plan the postnatal management. Surgical excision was carried out in the early neonatal period and the diagnosis of fetus in fetu was confirmed.

Published 9 July 2007 in Prenat Diagn, 27(7): 657-61.
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