Thyroid stimulating immunoglobulin is often negative in children with Graves' disease

Samar N. Rahhal, Erica A. Eugster

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Background: The diagnosis of Graves' disease (GD) is typically confirmed with a thyroid stimulating immunoglobulin (TSI) titer. While TSI is reported to be positive in >90% of patients with GD, our anecdotal experience suggests that TSI negative GD may be more common in children. Aim: To investigate the incidence of TSI negative GD in our population and to compare patients with TSI negative vs TSI positive GD. Methods: Charts of children with GD seen in our pediatric endocrinology clinic over the past 5 years were reviewed. Results: Fifty-seven patients with GD were included. TSI was negative in 43% of patients. No significant differences were found in children with TSI negative vs TSI positive GD. Conclusions: In patients with GD, the finding of a negative TSI titer usually creates diagnostic uncertainty. However, the fact that nearly half of our patients with GD were TSI negative suggests that this is common in children.

Original languageEnglish (US)
Pages (from-to)1085-1088
Number of pages4
JournalJournal of Pediatric Endocrinology and Metabolism
Volume21
Issue number11
DOIs
StatePublished - Nov 2008

Keywords

  • Graves' disease
  • Hyperthyroidism
  • Thyroid antibodies
  • Thyroid binding inhibitory immunoglobulin
  • Thyroid stimulating immunoglobulin

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Pediatrics, Perinatology, and Child Health

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