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[Ultrasonographically determined thyroid gland volume in children]
V Klingmüller1, A Otten, R H Bödeker
1Röntgenabteilung Pädiatrie, Medizinisches Zentrum für Radiologie, Justus-Liebig-Universität, Giessen.
Insights
Thyroid volume in children and adolescents was measured using sonography. Results show thyroid size increases with age, with no significant sex-based differences in overall volume.
Area of Science:
- Pediatric endocrinology
- Diagnostic imaging
- Human anatomy
Background:
- Thyroid gland size is a key indicator of endocrine health in children.
- Establishing normative data for thyroid volume is essential for diagnosing thyroid abnormalities.
Purpose of the Study:
- To evaluate thyroid gland size in a pediatric population using sonography.
- To establish reference ranges for thyroid volume across different age groups and sexes.
Main Methods:
- Sonographic evaluation of thyroid gland size.
- Data collected from 199 boys and 237 girls aged one month to 17 years.
- Analysis of thyroid volume in relation to age, sex, body length, weight, and body surface area.
Main Results:
- Thyroid volume increases with age, with specific values provided for different age milestones.
- The right thyroid lobe is typically larger than the left.
- Thyroid volume showed minimal correlation with age-independent body metrics in schoolchildren.
- No significant differences in thyroid volume were observed between sexes.
Conclusions:
- Sonography provides reliable measurements of pediatric thyroid volume.
- Thyroid volume demonstrates consistent growth throughout childhood and adolescence.
- Established reference ranges are crucial for pediatric thyroid assessments.
Abstract:
The size of the thyroid was evaluated by sonography in 199 boys and 237 girls age one month to 17 years. The volume is 1.2/1.06 ml in boys/girls during the first month, 1.2/1.6 ml at the end of the first year of life, 1.7/2.4 ml at age four, 3.2/3.4 ml with eight years and up to the age of 12 years 5.7/5.7 ml. In juveniles older than 12 years the average volume is 8 ml, sex independently. However, the range appears to be rather wide (1.5-14.5 ml). The right lobe is usually larger than the left one. The rates of the length of the right lobe and the body length, of the total volume and the body weight, and of the total volume and the body surface area are almost independent of age for schoolchildren. There is no significant difference of the thyroid volume between the sexes.
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