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Review
. 2022 Sep;49(3):573-586.
doi: 10.1016/j.clp.2022.05.001.

Fetal MRI Neuroradiology: Indications

Andria M Powers  1 , Christina White  2 , Ilana Neuberger  2 , John A Maloney  2 , Nicholas V Stence  2 , David Mirsky  2
Affiliations
Review

Fetal MRI Neuroradiology: Indications

Andria M Powers et al. Clin Perinatol. 2022 Sep.

Abstract

Fetal MRI is a safe, noninvasive examination of the fetus and placenta, a complement to ultrasonography. MRI provides detailed CNS evaluation, including depicting parenchymal architecture and posterior fossa morphology, and is key in prenatal assessment of spinal dysraphism, neck masses, and ventriculomegaly. Fetal MRI is typically performed after 22 weeks gestation, and ultrafast T1 and T2-weighted MRI sequences are the core of the exam, with advanced sequences such as diffusion weighted imaging used for specific questions. The fetal brain grows and develops rapidly, and familiarity with gestational age specific norms is essential to MRI interpretation.

Keywords: Fetal; MRI; MRI safety; Neuroimaging fetal development.

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