Uysal Emine, Öztürk Mehmet
Department of Radiology, Selçuk University Faculty of Medicine, Konya, Turkey.
Ultrasound Q. 2019 Sep;35(3):297-300. doi: 10.1097/RUQ.0000000000000426.
The local shear wave speed (in meters per second) and Young modulus (in kilopascals) of normal thyroid glands were defined in healthy children to determine reference values.This prospective study assessed 107 pediatric cases (age interval, 3-17 years; mean, 9.37 ± 3.68 years), including 52 boys and 55 girls. The study group included children without thyroid gland disease (autoimmune, infectious, or neoplastic). Data about the sex, age, weight, height, and body mass index (BMI) of the subjects were recorded for all subjects. Elasticity values were measured from 3 different sites in both thyroid lobes and averaged.Median values for elasticity and shear wave velocity measured in bilateral thyroid lobes were 6.38 ± 1.97 kPa (range, 3.00-12.5 kPa) and 1.45 ± 0.21 m/s (range, 1.03-2.04 m/s) on the right and 8.81 ± 3.00 kPa (range, 3.80-22.6 kPa) and 1.69 ± 0.26 m/s (range, 1.13-2.68 m/s) on the left. There was no significant difference between the elasticity values for the right and left thyroid lobes between boys and girls. There was a positive correlation between right thyroid lobe mean elasticity (in kilopascals) and shear wave velocity (in meters per second) values with age, BMI, and right thyroid lobe volume in the whole group. No significant correlation was found between left thyroid lobe mean elasticity (in kilopascals) and shear wave velocity (in meters per second) values with age, BMI, and left thyroid lobe volume in the study population.This study determined mean elasticity and shear wave velocity values for thyroid gland in healthy children. This information can be used as a baseline for the investigation of thyroid diseases.
为确定参考值，对健康儿童正常甲状腺的局部剪切波速度（米/秒）和杨氏模量（千帕）进行了定义。这项前瞻性研究评估了107例儿科病例（年龄范围3至17岁；平均年龄9.37±3.68岁），其中包括52名男孩和55名女孩。研究组包括无甲状腺疾病（自身免疫性、感染性或肿瘤性）的儿童。记录了所有受试者的性别、年龄、体重、身高和体重指数（BMI）数据。在双侧甲状腺叶的3个不同部位测量弹性值并取平均值。右侧甲状腺叶弹性和剪切波速度的中位数分别为6.38±1.97kPa（范围3.00至12.5kPa）和1.45±0.21m/s（范围1.03至2.04m/s），左侧分别为8.81±3.00kPa（范围3.80至22.6kPa）和1.69±0.26m/s（范围1.13至2.68m/s）。男孩和女孩左右甲状腺叶的弹性值之间无显著差异。在整个研究组中，右侧甲状腺叶平均弹性（千帕）和剪切波速度（米/秒）值与年龄、BMI以及右侧甲状腺叶体积呈正相关。在研究人群中，左侧甲状腺叶平均弹性（千帕）和剪切波速度（米/秒）值与年龄、BMI以及左侧甲状腺叶体积之间未发现显著相关性。本研究确定了健康儿童甲状腺的平均弹性和剪切波速度值。这些信息可作为甲状腺疾病研究的基线。
