Recurrence and heterogeneity in painless thyrotoxic lymphocytic thyroiditis. Report of five cases
H. C. Taylor and L. R. Sheeler
Five patients had recurrent episodes of spontaneously resolving
thyrotoxicosis (SRT). Three displayed only the classic low-intake variety
of this disorder, while two had alternating episodes of high-uptake and
low-uptake thyrotoxicosis. Two of the three with low uptake only who had
thyrotropin displacement activity (TDA) assays had negative results on this
test, while one of the patients with alternating high- and low-uptake
thyrotoxicosis had a positive TDA assay result, suggesting that the
pathogenesis in the two types of SRT may differ.