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Objectives: Fetal MRI is a third intention examination to prenatal diagnosis. If its diagnostic value is well known in many pathologies, its place in the management of pregnancies remains unclear., Methods: We collected retrospectively demographical, radiological (fetal MRI indications, fetal anatomical region and diagnostic information provided by fetal MRI) and obstetrical data of pregnant patients in university prenatal center during a 5 years' period., Results: Among 2439 patients of the prenatal center, 196 (8%) patients with fetal MRI were included. The main anatomical regions studied were the brain (n=132, 67%), the thorax (n=31, 16%) and the abdomen (n=25, 13%). No cardiac fetal MRI was performed. Ninety-five percent of fetal MRI was consecutively of an ultrasound sign. Fetal brain MRI was abnormal in 65% of cases, the thoracic and abdominopelvic MRI in 81.5%. The ultrasound diagnosis was unchanged in 42%, completed in 50% and redirected in 8% of cases. A termination of pregnancy was deemed admissible in 31% of patients with MRI versus 21% in patients without MRI (P=0.001)., Conclusion: Fetal MRI requires selective indications and provides additional diagnostic information with important implications for the future of the pregnancy, particularly in case of severe and incurable pathologies. Our results could be useful as a reference basis for the comparison with others prenatal center practices., (Copyright © 2017 Elsevier Masson SAS. All rights reserved.)

The article presents a study which describes and assesses the sonographic findings, evolution and clinical implications of thrombosis of the fetal dural sinuses. It was found that thrombosis of the cerebral venous circulation can occur antenatally and is detectable by fetal real-time and color Doppler ultrasound examination. It notes that a review of the literature supports targeted evaluation of the fetus by ultrasound imaging and magnetic resonance imaging to guide the diagnosis.