Document Detail

Transient Hyperintensity in the Subthalamic Nucleus and Globus Pallidus of Newborns on T1-Weighted Images.
MedLine Citation:
PMID:  21511869     Owner:  NLM     Status:  Publisher    
BACKGROUND AND PURPOSE: In the brains of newborns, changes in signal intensity in most structures can be explained by the development of myelination. However, there are some structures for which signal intensity changes cannot be accounted for by myelination alone. We examined the STN and globus pallidus signal intensities and tried to determine whether a relationship exists between the signal intensity and the postnatal age or the gestational age at the examination. MATERIALS AND METHODS: We examined T1WI and T2WI obtained from 79 neonates who showed normal development at their 2-year follow-up examinations. We performed both qualitative and quantitative (signal intensity ratio to the thalamus) evaluation of the STN and globus pallidus signals, and we examined the correlation between signal intensity changes and the age of neonates. RESULTS: With increasing postnatal age at examination, the high signal intensity on the T1WI for both STN and globus pallidus diminished. Although the disappearance of this hyperintensity was well correlated with the postnatal age at examination for both the qualitative and quantitative studies, there was no correlation with gestational age at examination. For the T2WI, there was no correlation with either the postnatal age or the gestational age at examination. CONCLUSIONS: Signal intensity on T1WI in the STN and globus pallidus is not related to the gestational age at examination; instead, signal intensities on T1WI seem to be more dependent upon the postnatal age at examination.
T Taoka; N Aida; T Ochi; Y Takahashi; T Akashi; T Miyasaka; A Iwamura; M Sakamoto; K Kichikawa
Related Documents :
22922519 - Anteroposterior thickening of the femoral neck with aging decreases the "offset" in men.
15247079 - Functional aging and gradual senescence in zebrafish.
21557249 - Otologic diagnoses in the elderly: current utilization and predicted workload increase.
21339699 - Differing age related trajectories of dysfunction in several organ systems in opiate de...
21489069 - Understanding young and older male drivers' willingness to drive while intoxicated: the...
21246459 - Midface lifting: current standards.
21884309 - Maturation of eeg power spectra in early adolescence: a longitudinal study.
2960629 - Self-reported assertion of males with and without a physical disability: a cross-cultur...
19268969 - The value of quantitative eeg in differential diagnosis of alzheimer's disease and subc...
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-21
Journal Detail:
Title:  AJNR. American journal of neuroradiology     Volume:  -     ISSN:  1936-959X     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003708     Medline TA:  AJNR Am J Neuroradiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Departments of Radiology and Pediatrics, Nara Medical University, Nara, Japan; and Department of Radiology, Kanagawa Children's Medical Center, Yokohama, Japan.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  CSF Flow through the Upper Cervical Spinal Canal in Chiari I Malformation.
Next Document:  Respiratory-gated 18F-FDG PET imaging in lung cancer: effects on sensitivity and specificity.