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01.07.2007 | Original Article

Structural linear measurements in the newborn brain: accuracy of cranial ultrasound compared to MRI

verfasst von: Lara M. Leijser, Latha Srinivasan, Mary A. Rutherford, Serena J. Counsell, Joanna M. Allsop, Frances M. Cowan

Erschienen in: Pediatric Radiology | Ausgabe 7/2007

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Abstract

Background

Structural size in the neonatal brain is of clinical importance. Cranial ultrasonography (cUS) is the primary method used for evaluating the neonatal brain and it is important to know whether linear measurements made using this technique are accurate.

Objective

To compare linear measurements of different cerebral structures made from neonatal cUS and contemporaneous MRI.

Materials and methods

Preterm and term infants studies with cUS and MRI on the same day were studied. Linear measurements made using both techniques from many cerebral structures were compared using a paired t-test.

Results

A total of 44 sets of scans from 26 preterm and 8 term infants were assessed. Small but significant differences between the cUS and MRI measurements (P<0.05) were found for the ventricular index, the posterior horn depth of the lateral ventricle, the extracerebral space and interhemispheric fissure, and the cortex of the cingulate gyrus. No significant differences were found for any other measurements.

Conclusion

Linear measurements from cUS are accurate for most neonatal cerebral structures. Significant differences compared to MRI were found for a few structures, but only for the cortex were the absolute differences marked and possibly of clinical importance.

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Titel: Structural linear measurements in the newborn brain: accuracy of cranial ultrasound compared to MRI
verfasst von: Lara M. Leijser
Latha Srinivasan
Mary A. Rutherford
Serena J. Counsell
Joanna M. Allsop
Frances M. Cowan
Publikationsdatum: 01.07.2007
Verlag: Springer-Verlag
Erschienen in: Pediatric Radiology / Ausgabe 7/2007
Print ISSN: 0301-0449
Elektronische ISSN: 1432-1998
DOI: https://doi.org/10.1007/s00247-007-0485-2

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Structural linear measurements in the newborn brain: accuracy of cranial ultrasound compared to MRI