Document Detail

Sonographic measurements of the neonatal thyroid gland.
MedLine Citation:
PMID:  9315183     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to establish the normal dimensions of the thyroid gland in euthyroid neonates. Ultrasonographic evaluation of the thyroid gland was performed in the first week of life in 68 term neonates whose gestational ages at birth were 37 to 41 weeks and whose birth weights ranged from 2570 to 4790 g. Measurements of the thyroid lobes were done in transverse, anteroposterior, and longitudinal planes. All neonates had age-appropriate thyroid stimulating hormone levels at birth. Mean +/- 2 standard deviations for thyroid volume were 472 mm3 and 1430 mm3. The mean measurements for the sum of both lobes for transverse, anteroposterior, and longitudinal dimensions were 13.9 mm, 15.1 mm, and 34.6 mm, respectively. No significant correlation of these measurements was found for gestational age, birth weight, or thyroid-stimulating hormone levels. The correlation coefficient between these measurements and total volume was 0.64 or less. Term euthyroid neonates were found to have a thyroid gland volume ranging between 472 mm3 and 1430 mm3. In term neonates sonographic measurements of thyroid lobes should be obtained in all three planes for reliable assessment of thyroid volume.
A Vade; M E Gottschalk; E M Yetter; P Subbaiah
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine     Volume:  16     ISSN:  0278-4297     ISO Abbreviation:  J Ultrasound Med     Publication Date:  1997 Jun 
Date Detail:
Created Date:  1997-10-30     Completed Date:  1997-10-30     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8211547     Medline TA:  J Ultrasound Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  395-9     Citation Subset:  IM    
Department of Radiology, Loyola University Medical Center, Maywood, IL 60153, USA.
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MeSH Terms
Infant, Newborn
Prospective Studies
Reference Values
Regression Analysis
Thyroid Gland / anatomy & histology,  ultrasonography*

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