Objective To explore the application of multi-slice spiral CT in measuring the size and volume of thyroid gland in normal children. Methods A total of 240 children aged 8，9，10，11 years old were prospectively selected from the department of Radiology, Children’s Hospital Affiliated to Chongqing Medical University from June 2017 to September 2019, including 30 boys and 30 girls in each age group. The body surface area of children was calculated, the anterior and posterior diameters, inner and outer diameters, the S-I diameters and the volumes of thyroid glands on both sides of children were measured. The thyroid measurement values of children at all ages, the thyroid measurement values of boys and girls at the same age, the thyroid measurement values of left lobe and right lobe of children at the same age were compared. The relationship between the thyroid measurement values of children and its influencing factors was analyzed. Results The thyroid volume in the right lobe was larger than that in the left lobe in children aged 8~11 years old groups (P<0.05). In the 8 years old group, the thyroid volume in male children was larger than that in female children (P<0.05). In other groups, the thyroid volume in female children was larger than that in male children (P<0.05). The thyroid volume was positively correlated with children's body weight, body mass index and body surface area in children aged 8~11 years old groups (P<0.05). Conclusions Multi-slice spiral CT can measure the size and volume of thyroid gland in children, which has clinical significance for the diagnosis and treatment of thyroid diseases in children.
Key words
Children /
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Thyroid /
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Multi-slice spiral CT /
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Volume /
Body surface area /
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Body mass index
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