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Imaging the fetal spine using in utero MR: diagnostic accuracy and impact on management

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Abstract

Background

In-utero MR imaging (iuMR) has entered the clinical arena during the last decade. It is used mainly for imaging fetal brain abnormalities.

Objective

To report our experience of imaging the fetal spine and spinal cord in fetuses with known or suspected abnormalities diagnosed on US imaging.

Materials and methods

Prospective imaging and retrospective analysis of the possible impact on management of 50 consecutive fetuses with spinal abnormalities detected by antenatal US imaging.

Results

In 40 (80%) of 50 fetuses, iuMR and US imaging were in complete agreement. In the other 10 fetuses (20%), iuMR provided additional information or changed the diagnosis, including 8 fetuses where the iuMR could find no abnormality and was found to be correct by later follow-up.

Conclusion

IuMR is useful in fetuses with a suspected spinal abnormality. The clinical impact of iuMR may be numerically less than with brain abnormalities, but is still sufficient to warrant its use, especially if there is any uncertainty about the US imaging, and particularly as a relatively high proportion of diagnoses on US imaging are false-positives.

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Acknowledgements

The authors would like to thank SPARKS, Sir Jules Thorn, and Sheffield’s Special Trustees, all of whom supported this study financially. We also wish to thank the staff from all of the participating centres whose hard work made the study possible.

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Correspondence to Paul D. Griffiths.

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Griffiths, P.D., Widjaja, E., Paley, M.N.J. et al. Imaging the fetal spine using in utero MR: diagnostic accuracy and impact on management. Pediatr Radiol 36, 927–933 (2006). https://doi.org/10.1007/s00247-006-0234-y

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  • DOI: https://doi.org/10.1007/s00247-006-0234-y

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