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Child With Suspected Hyperthyroidism

Home / Clinical Resources / Referral Guidelines / Child With Suspected Hyperthyroidism

Clinical Topic

  • Hypothyroidism

Resource Type

  • Referral Guidelines

Publication Date

June 23, 2021

Contributor

Indrajit Majumdar and Teresa Quattrin

PDF Download

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Differential diagnosis for hyperthyroidism

  • Graves’ disease,
  • Thyrotoxic phase of thyroiditis,
  • Surreptitious ingestion of levothyroxine
  • Rare causes in children:
    • TSH- dependent hyperthyroidism including pituitary TSH-secreting tumors
    • Resistance to thyroid hormone
    • Toxic multinodular goiter
    • Solitary thyroid nodule

Additional Information

Laboratory Abnormalities:

  • Typical pattern: Free T4, T3 levels will be elevated and TSH will be suppressed in the hyperthyroid state [other than in the uncommon TSH-dependent hyperthyroid states like pituitary tumors].
  • Anti-thyroid antibodies [thyroid peroxidase antibody, thyroglobulin antibodies, thyroid receptor antibodies, thyroid stimulating immunoglobulin] are useful for etiological diagnosis.
  • Liver function and total white count abnormalities are not uncommon in individuals with hyperthyroidism; ESR may be elevated in non- autoimmune thyroiditis.
  • Thyroid ultrasound may reveal a hyper-vascular, enlarged thyroid gland with or without any dominant nodules
  • Other tests: Complete metabolic panel, complete blood count, and ESR
  • Radiological studies:
    • Thyroid ultrasound : hyper-vascular, enlarged thyroid gland with or without any dominant nodules
    • radioactive iodine uptake: increased uptake

Treatment of Hyperthyroidism requires close supervision and involves:

  • Decrease the production of thyroid hormones:
  • Medications to decrease thyroid hormone production: methimazole, propylthiouracil, carbimazole
  • Definitive therapy to consider
  • Radioactive iodine ablation (can be done in older children)
  • Surgical thyroidectomy (Need an experienced thyroid surgeon)
  • Supportive care can include β-blockage to control the adrenergic effects associated with hyperthyroidism, avoidance of  excessive activity, and close monitoring of cardiovascular, musculoskeletal and neurological status.

Link to patient education material from Pediatric Endocrine Society https://www.pedsendo.org/assets/patients_families/EdMat/Hyperthyroidism.pdf

Suggested References and Additional Reading

  • Bahn Chair RS, Burch HB, Cooper DS, Garber JR, Greenlee MC, Klein I, et al. Hyperthyroidism and other causes of thyrotoxicosis: management guidelines of the American Thyroid Association and American Association of Clinical Endocrinologists. Thyroid : official journal of the American Thyroid Association. 2011;21(6):593-646. Epub 2011/04/23. doi: 10.1089/thy.2010.0417. PubMed PMID: 21510801. http://online.liebertpub.com/doi/full/10.1089/thy.2010.0417
  • Bauer AJ. Approach to the pediatric patient with Graves’ disease: when is definitive therapy warranted? The Journal of clinical endocrinology and metabolism. 2011;96(3):580-8. Epub 2011/03/08. doi: 10.1210/jc.2010-0898. PubMed PMID: 21378220. http://press.endocrine.org/doi/pdf/10.1210/jc.2010-0898.

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