“…One cannot exclude the possibility that we are dealing with a coincidental finding. The prevalence of thyroid carcinomas depends on geographic factors (Cuello et al, 1969 ;Hakama, 1969;Fukunaga and Yatani, 1975), and at autopsy Mortensen (USA, 1955) and Kind (Switzerland, 1966) found 2.1 and 0.3% Ogburn and Block, 1956Ellenberg et al, 1962Fields et al, 1964Laing et al, 1969Heimann, 1970Krementz et al, 1971Trout et al, 1972Hajjar and Salti, 1973Malette et al, 1974Petro and Hardy, 1975Uehlinger, 1975Kairaluoma et al, 1976LiVolsi et al, 1976 of thyroid carcinomas respectively. Medullary thyroid carcinomas amounted for 6% of cases in Woolner et al's (1961) study.…”