• We report the case of a 5-year-old hyperthyroid boy with normal serum T4 levels and elevated serum T3 levels. The findings are diagnostic of T3 thyrotoxicosis, a condition that has been very infrequently reported in childhood. We postulate that low dietary iodine intake may be an etiologic factor in some cases of T3 thyrotoxicosis.
(Am J Dis Child 132:374-375, 1978)
Weiss EB, Oberg G, Rosenthal IM. T3 Thyrotoxicosis in a Child. Am J Dis Child. 1978;132(4):374–375. doi:10.1001/archpedi.1978.02120290046007
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