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Transverse cerebellar diameter on cranial ultrasound scan in preterm neonates in an Australian population
M Swaminathan1, M Davies, P Davis
1Division of Neonatal Services, The Royal Women's Hospital, Melbourne, Victoria, Australia.
Objective:
Fetal measurement of transverse cerebellar diameter (TCD) has been shown to correlate well with gestational age (GA), even in the presence of growth retardation. The aim of this study was to define the normal range of TCD in preterm neonates in an Australian population between 23 and 32 weeks GA.
Methodology:
Infants admitted to the Royal Women's Hospital, Melbourne, having routine cranial ultrasound scans (< 1500 g and/or of gestational age
Results:
106 infants < 1500 g and/or of GA
Conclusion:
This is the only study of TCD measurement using cranial ultrasound in a group of preterm newborns, and forms the basis for nomograms of TCD which can be used as a tool to assist in the assessment of GA, even in growth-retarded preterm newborns, and in the diagnosis of cerebellar hypoplasia.