A contrastive study of corpus callosum area in very preterm and full-term infants

LIU Rui-Ke; LIU Fang; LI Jian-Ying; WU Xiu-Fang

doi:10.7499/j.issn.1008-8830.2014.05.007

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Chinese Journal of Contemporary Pediatrics ›› 2014, Vol. 16 ›› Issue (5) : 478-482. DOI: 10.7499/j.issn.1008-8830.2014.05.007

CLINICAL RESEARCH

A contrastive study of corpus callosum area in very preterm and full-term infants

LIU Rui-Ke¹, LIU Fang², LI Jian-Ying¹, WU Xiu-Fang¹

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Abstract

Objective To compare the differences between full-term and VLBW premature infants at term equivalent for the whole and sub-regional corpus callosum areas in order to provide reference for monitoring the extrauterine development of corpus callosum in VLBW premature infants. Methods Brain MR image data of 24 term infants with a gestational age of 39 weeks were collected within 24 hours after birth. Brain MR image of 30 VLBW neonates at 39 weeks' gestational age equivalent were successfully obtained. Routine T1WI, T2WI and DWI were applied. T1-weighted images on the mid-sagittal slice were selected, analyzed and measured. Forty-nine eligible MR images of them were chosen, 21 cases from the full-term infant group and 28 cases from the premature infant group. Corpus callosum and brain MR images were then sketched by two radiographic doctors. All data were analyzed by the Image Processing Function of MATLAB R2010a, and the whole corpus callosum and six sub-regions were obtained. Results The whole corpus callosum, anterior mid-body, posterior mid-body, isthmus and splenium area in the premature infant group were smaller than those in the full-term infant group (P<0.05), but the differences of Genu and rostral body area between the two groups was not statistically significant (P>0.05). Conclusions The areas of the whole corpus callosum, anterior mid-body, posterior mid-body, isthmus and splenium in VLBW preterm infants at term are reduced, suggesting that the posterior end of the corpus callosum is probably most vulnerable to insults following pathogenic factors.

Key words

Brain / Corpus callosum / Magnetic resonance imaging / Gestational age / Premature infant

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LIU Rui-Ke, LIU Fang, LI Jian-Ying, WU Xiu-Fang. A contrastive study of corpus callosum area in very preterm and full-term infants[J]. Chinese Journal of Contemporary Pediatrics. 2014, 16(5): 478-482 https://doi.org/10.7499/j.issn.1008-8830.2014.05.007

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