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Updated: Jun 5, 2026
09:59
A Magnetic Resonance Imaging Protocol for Stroke Onset Time Estimation in Permanent Cerebral Ischemia
Published on: September 16, 2017
Correlation between pre- and postnatal cerebral magnetic resonance imaging.
A Dhouib1, E Blondiaux, M L Moutard
1AP-HP, Hôpital d'Enfants Armand-Trousseau, Service de Radiologie, Paris, France.
Summary
Fetal magnetic resonance imaging (MRI) shows good agreement with postnatal MRI in 85% of cases. Discrepancies impacting prognosis occurred in 9% of fetal MRI studies, highlighting the value of comparing pre- and postnatal imaging.
Area of Science:
- Medical Imaging
- Neurology
- Pediatrics
Background:
- Fetal magnetic resonance imaging (MRI) is a valuable tool for diagnosing congenital brain abnormalities.
- Comparing fetal MRI with postnatal MRI is crucial for understanding diagnostic accuracy and prognostic implications.
Purpose of the Study:
- To assess the diagnostic accuracy of fetal cerebral MRI in a large cohort.
- To compare pre- and postnatal MRI findings and evaluate discrepancies.
Main Methods:
- Prospective study of 100 fetuses undergoing fetal cerebral MRI and subsequent postnatal MRI.
- Classification of findings into five subgroups based on agreement and natural disease progression.
- Evaluation of the prognostic impact of disagreements between fetal and postnatal MRI.
Main Results:
- Good agreement between fetal and postnatal MRI was observed in 85% of cases.
- Discrepancies with prognostic impact were noted in 9% of cases, primarily related to corpus callosum, cortical, and migration disorders.
- Additional findings not detectable on initial fetal MRI were identified in some postnatal examinations.
Conclusions:
- Fetal cerebral MRI demonstrates high diagnostic accuracy when compared to postnatal MRI.
- While generally concordant, discrepancies can occur and may have significant prognostic implications.
- Postnatal MRI is essential for confirming fetal diagnoses and identifying subtle abnormalities.
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