title: Magnetization Transfer and Amide Proton Transfer MRI of Neonatal Brain Development.
abstract: Purpose.This study aims to evaluate the process of brain development in neonates using combined amide proton transfer (APT) imaging and conventional magnetization transfer (MT) imaging.Materials and Methods.Case data were reviewed for all patients hospitalized in our institution's neonatal ward. Patients underwent APT and MT imaging (a single protocol) immediately following the routine MR examination. Single-slice APT/MT axial imaging was performed at the level of the basal ganglia. APT and MT ratio (MTR) measurements were performed in multiple brain regions of interest (ROIs). Data was statistically analyzed in order to assess for significant differences between the different regions of the brain or correlation with patient gestational age.Results.A total of 38 neonates were included in the study, with ages ranging from 27 to 41 weeks' corrected gestational age. There were statistically significant differences in both APT and MTR measurements between the frontal lobes, basal ganglia, and occipital lobes (APT: frontal lobe versus occipital lobeP= 0.031 and other groupsP= 0.00; MTR: frontal lobe versus occipital lobeP= 0.034 and other groupsP= 0.00). Furthermore, APT and MTR in above brain regions exhibited positive linear correlations with patient gestational age.Conclusions.APT/MT imaging can provide valuable information about the process of the neonatal brain development at the molecular level.
authors.affiliation: Department of Radiology, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Heping District, Shenyang 110004, China.
authors.forename: Yang
authors.identifier: 0000-0002-7452-0725
authors.initials: Y
authors.lastname: Zheng
authors.affiliation: Department of Radiology, Shengjing Hospital of China Medical University, No. 36, Sanhao Street, Heping District, Shenyang 110004, China.
authors.forename: Xiaoming
authors.identifier: 0000-0003-0276-2466
authors.initials: X
authors.lastname: Wang
authors.affiliation: Division of MR Research, Department of Radiology, Johns Hopkins University, Baltimore, MD, USA; Philips Healthcare, Beijing, China.
authors.forename: Xuna
authors.initials: X
authors.lastname: Zhao
mesh_terms: D001479:Basal Ganglia / Q000000981:diagnostic imaging* / Q000254:growth & development / Q000648:ultrastructure; D001921:Brain / Q000000981:diagnostic imaging* / Q000254:growth & development / Q000648:ultrastructure; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn / Q000254:growth & development* / Q000502:physiology; D057054:Molecular Imaging / Q000379:methods*; D011247:Pregnancy