Eighty consecutive patients with typical subacute thyroiditis were evaluated. Sex distribution showed a higher incidence in females (F/M 3.2/1), with a mean age of 44 yr. In the majority of patients (51/80 = 66%) the onset of the disease was between June and September (46% in July and August). The remaining cases were distributed in the other months without a clear monthly prevalence. These results indicate that the seasonal distribution of subacute thyroiditis is almost superimposable to that of established infections due to some enteroviruses (Echovirus, Coxsackie A and B viruses), suggesting that summer enterovirus infections may be responsible for a large proportion of cases of subacute thyroiditis.
Differentiated thyroid cancer is a rare malignancy, but leaves numerous survivors for life-long follow-up. The cornerstone in current guidelines for follow-up is by measuring the thyroid specific tumour marker, thyroglobulin in serum. Most patients can be followed by this method, but some thyroid cancer patients have antithyroglobulin antibodies in serum, both at diagnosis and after treatment, where follow-up is commenced. These antibodies interfere technically in the immunological methods for measuring thyroglobulin, and the antithyroglobulin antibody positive patients are thus eliminated from following current guidelines. In recent years studies have indicated that following the concentration of antithyroglobulin antibodies in serum may be a surrogate marker for recurrence of the thyroid carcinoma. This has recently resulted in publication of an expert position paper, providing a flow scheme for these particular patients. The current review summarises the literature which is the basis for the paper.
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