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Thyroid volumes in newborns of different gestational ages: normative data
  1. S Kurtoglu1,
  2. M A Ozturk1,
  3. E Koklu2,
  4. T Gunes2,
  5. M Akcakus2,
  6. A Yikilmaz3,
  7. D Buyukkayhan1,
  8. N Hatipoglu4
  1. 1
    Department of Pediatrics, Division of Neonatology and Division of Pediatric Endocrinology and Metabolism, Erciyes University, School of Medicine, Kayseri, Turkey
  2. 2
    Department of Pediatrics, Division of Neonatology, Erciyes University, School of Medicine, Kayseri, Turkey
  3. 3
    Department of Radiology, Division of Pediatric Radiology, Erciyes University, School of Medicine, Kayseri, Turkey
  4. 4
    Department of Pediatrics, Division of Pediatric Endocrinology and Metabolism, Erciyes University, School of Medicine, Kayseri, Turkey
  1. Dr S Kurtoglu, Erciyes University, School of Medicine, Department of Pediatrics, Division of Neonatology and Pediatric Endocrinology and Metabolism, Kayseri/Turkey; selimk{at}erciyes.edu.tr

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Reference ranges for thyroid volumes in newborns of different gestational ages have not been previously determined. We assessed thyroid volume within the first week of life in a sufficient number of neonates of different gestational ages to establish normal ranges for babies born in Turkey. In addition, we evaluated interobserver and intraobserver variations in sonographic measurement of thyroid volume.

The inclusion criteria for our study were1:

  • gestation between 25 and 42 weeks;

  • birth weight between the 10th and 90th percentiles of mean gestational age related birth weight;

  • blood thyroglobulin concentration 2–54 ng/ml.

We included neonates whose mothers did …

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