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Optimization of Acquisition Time for MRI of Fetal Head: The Eyes Have It

¹ Diagnostic Imaging, University of Maryland School of Medicine, University of Maryland Medical Center, Baltimore, MD 21201.
² Present address: Department of Radiology (Abdominal Imaging), UPMC Health Systems (Presbyterian Campus), 200 Lothrop St., Pittsburgh, PA 15213.

OBJECTIVE. This article describes a technique to minimize MRI time and obtain true orthogonal T2-weighted projections of the fetal head. The technique takes advantage of the symmetry of fetal orbits to establish a line of reference through the orbits to obtain true sagittal, coronal, and axial projections of the intracranial anatomy.

CONCLUSION. This technique results in a 50% reduction in imaging time and thus decreases fetal exposure to the electromagnetic field.

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