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Fetal organ weight estimation by postmortem high-field magnetic resonance imaging before 20 weeks' gestation

par Votino, Carmela ;Cos, Theresa;Lipombi, Dominique;Jani, Jacques ;Verhoye, Marleen;Segers, Valérie ;Bessieres, Bettina;Cannie, Mieke
Référence Ultrasound in obstetrics & gynecology, 39, 6, page (673-678)
Publication Publié, 2012-06

Article révisé par les pairs

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Résumé :

Objective To ascertain whether high-field magnetic resonance imaging (MRI) allows accurate estimation of the weight of various fetal organs at postmortem before 20 weeks' gestation. Methods From 23 fetuses at 9-20 weeks, following termination of pregnancy or in-utero fetal death (IUFD), 207 assorted fetal organs were evaluated by high-field MRI at 9.4 T prior to conventional autopsy. Fetal organ density was calculated by correlating volume and weight at autopsy using linear regression analysis, and this was used to estimate fetal organ weight by MRI. The relative error in MRI estimation of organ weight was calculated as follows: (