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Final ID: Poster #: EDU-010 (R)

How and why we perform Fetal MRI: The technologist’s perspective

Purpose or Case Report: Fetal MRI is a unique method which allows clinicians to diagnose or exclude abnormalities during pregnancy. MR images are acquired when details from an ultrasound may not be sufficient to make a complete prenatal diagnosis or when there are concerns for additional findings. This method of imaging is optimal due to the diagnostic quality of the images and the absence of ionizing radiation. We present an educational exhibit to discuss the methodology in performing a fetal MRI as well as demonstrating common findings in fetal MRI.
Methods & Materials: We discuss our Fetal MRI technique, including pre and post imaging procedures, imaging technique and review the common indications for this exam. This exhibit will highlight representative MR images of the more common diagnoses encountered.
Results: Referral for Fetal MRI occurs after a high level ultrasound study is performed by a maternal fetal medicine doctor in the second or third trimester of pregnancy. At our center, the patients are scheduled on a 1.5 T magnet as soon as possible by a single MRI scheduler who is familiar with the process.

Some of the common indications we encounter include: ventriculomegaly, corpus callosum abnormality, posterior fossa abnormalities (e.g. Dandy Walker and Chiari malformations), congenital diaphragmatic hernia, and lung lesions.

The majority of images obtained utilize single shot fast spin echo technique in axial, coronal and sagittal planes oriented to the fetus. Additional T1 gradient echo, diffusion and steady state free procession images also assist in diagnosis.

Patients scanned at our institute also speak with a radiologist before and after the procedure.
Conclusions: Fetal MRI is a valuable tool in the diagnosis of congenital abnormalities, in predicting the prognosis and in directing patient management. Technologist awareness of appropriate clinical indications, active understanding and involvement in real-time protocol manipulation during image acquisition is critical to the success of the examination.
  • Elliott, Lauren  ( Childrens Healthcare of Atlanta , Conyers , Georgia , United States )
  • Alazraki, Adina  ( Childrens Healthcare of Atlanta , Conyers , Georgia , United States )
  • Milla, Sarah  ( Childrens Healthcare of Atlanta , Conyers , Georgia , United States )
Session Info:

Electronic Exhibits - Educational (Radiographer)

Fetal Imaging / Neonatal

Radiographer Scientific Exhibits - Educational

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More abstracts from these authors:
Rest assured, it's benign: Intrathyroidal thymic rests

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Pediatric Whole Body MRI: Indications and Optimization

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