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Correlation of TSH with the risk of paediatric thyroid carcinoma

Harvey K Chiu1, Srinath Sanda, Patricia Y Fechner

  • 1Division of Endocrinology, Department of Pediatrics, Seattle Children's Hospital, University of Washington Medical Center, Seattle, Washington 98105, USA. harvey.chiu@seattlechildrens.org

Clinical Endocrinology
|March 13, 2012
PubMed

Insights

Pediatric thyroid cancer risk is linked to elevated thyroid-stimulating hormone (TSH) levels. A TSH level of 2.50 mIU/l or higher may indicate a higher risk of malignancy in children.

Area of Science:

  • Endocrinology
  • Paediatric Oncology
  • Thyroid Research

Background:

  • Paediatric thyroid cancer is a rare condition with evolving risk factor understanding.
  • Thyroid-stimulating hormone (TSH) levels have not been previously correlated with paediatric thyroid cancer risk.

Purpose of the Study:

  • To investigate the association between thyroid-stimulating hormone (TSH) levels and the diagnosis of differentiated thyroid carcinoma in paediatric patients.
  • To determine if TSH levels can serve as a predictive marker for paediatric thyroid cancer.

Main Methods:

  • Retrospective case-controlled study involving 78 paediatric patients (ages 3-20) undergoing thyroidectomy.
  • Preoperative TSH values were correlated with final pathology results of thyroid tissue specimens.
  • Patients with and without thyroid cancer were compared, excluding confounding factors affecting TSH.

Main Results:

  • Paediatric thyroid carcinoma diagnosis was significantly associated with elevated TSH levels (average 2.32 ± 0.51 mIU/l vs. 1.08 ± 0.14 mIU/l).
  • A TSH level ≥ 2.50 mIU/l showed a significantly increased odds ratio for thyroid cancer (OR 8.05).
  • The normal TSH range considered was 0.40-2.49 mIU/l.

Conclusions:

  • Elevated TSH levels, specifically ≥ 2.50 mIU/l, are associated with paediatric thyroid carcinoma.
  • TSH levels may aid in identifying paediatric patients with thyroid nodules at higher risk for malignancy.
  • Further research can refine the role of TSH in paediatric thyroid nodule evaluation.
Abstract

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