During the period 1953-1971, 20 cases of chordoma were reported to the Finnish Cancer Registry. Twelve of the patients were males. The mean annual (crude) incidence of chordoma in Finland was 0.30/10(6) in males, and 0.18/10(6) in females. Fifteen of the tumours were sacral, three vertebral, and two cranial. Local recurrences were common, and distant… (More)
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