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Abstract
There is presented clinical and morphological characteristics of post-Chernobyl papillary thyroid cancer in 936 children and adolescents. In general, carcinoma of these patients featured by locally advanced growth - 57.4% (387 of 674 patients with this sign could be assessed), metastases in regional lymph nodes - 73,7% (N1b in 40.7 %) and internal organs - 11.1%. The mean duration of follow-up was 12,4 ± 3,5 years (range 4.3 to 19.6 years) including children 14,6 ± 2,7 years (range 8.8 to 19.6 years) and adolescents - 10,1 ± 3,1 years (range 4.3 to 18.8 years). Overall survival for the 20-year period was 96,6% ± 1,2%. The causes of death were suicide (7), injuries and accidents (5), secondary malignancies (1), somatic diseases (2). Only in two patients the death was related to the main disease - lung metastases. Free-recurrence survival for the cohort of post-Chernobyl carcinomas was 92,7% ± 1,0%.References
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