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Clinical, biochemical, and radiological follow-up results of children and adolescents with Hashimoto’s thyroiditis: a single-center experience

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Published/Copyright: June 15, 2021

Abstract

Objectives

Hashimoto’s thyroiditis (HT) is the most common cause of goiter and acquired hypothyroidism in children and adolescents, especially in areas without endemic iodine deficiency. We aimed to evaluate the follow-up results of children and adolescents diagnosed with HT, including clinical, biochemical, and radiological findings and treatment approaches.

Methods

HT patients, who were diagnosed between 2012 and 2018 years in a single-center, were assessed retrospectively.

Results

Two hundred and twenty-four cases were included in the study, 75.9% of whom were girls (female/male ratio: 3.1) and 66.5% were pubertal. The median age of the cases at first admission was 12.5 (9.2–15) years. The median follow-up period of 196 patients, who continued their follow-up regularly, was 2.1 (0.7–4.8) years. When autoantibody levels were analyzed according to gender, mean anti-Tg levels were higher in girls (p=0.028), whereas anti-TPO levels were similar (p=0.372). A nodule was detected in the ultrasonographic follow-up of 29 (13%) patients. Papillary thyroid carcinoma was observed in 10.3% (n=3) of those with nodules. When the last ultrasonography findings of 188 patients with available radiological follow-up data were compared with their initial evaluation, the rate of heterogeneous parenchymal echogenicity increased significantly (p=0.008). The need for l-thyroxine dosage augmented over time.

Conclusions

Although HT is more common in adolescent girls, it can be encountered in both genders and at all ages in childhood. The incidence of malignancy was not higher in patients with nodules associated with HT than the reported incidences of malignancy in nodules not associated with HT.


Corresponding author: Prof. Dr. Olcay Evliyaoğlu, Division of Pediatric Endocrinology, Faculty of Medicine, İstanbul University – Cerrahpaşa, İstanbul, Turkey, Phone: +90 2124143000, E-mail:

  1. Research funding: None declared.

  2. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: Authors state no conflict of interest.

  4. Informed consent: Not applicable.

  5. Ethical approval: This study was performed in line with the principles of the Declaration of Helsinki and was approved by the local Ethics Committee (Approval number: 2018-4264).

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Received: 2021-01-16
Accepted: 2021-04-26
Published Online: 2021-06-15
Published in Print: 2021-08-26

© 2021 Walter de Gruyter GmbH, Berlin/Boston

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