Occurrence of Thyroid Cancer

FOR many years there has been disagreement over the incidence of carcinoma of the thyroid gland. Some authorities have claimed that it is a relatively common disease, and others have maintained that it is extremely rare. Such differences of opinion about a basic fact have led to irreconcilable differences in matters of judgment. Much of the controversy over the management of nodular goiter, for example, stems from conflicting opinions about the incidence of thyroid cancer. This has been a subject of discussion since the beginning of this century. Müller and Speese,1 in one of the first reviews of thyroid cancer . . .