Multifocal papillary thyroid cancer in children and adults. Lecture

Thyroid cancer is the 9th most common in world. Thus, year 2020, 586.000 cases of thyroid were registered worldwide. The incidence rate among women 10.1 per 100 thousand population, and men — 3.1 population. In Ukraine, 2019, standardized (world standard) was 6.9 100.000 population (2.8 men, 10.5 women). structure malignant neoplasms cervical spine, ranks first place aged 18 29 (19.9 %), fourth both (8.3 %, 30 54 (8.1 %). Over past 40 years, increased (in particular, papillary cancer) observed countries, which can be explained by various factors, for example, overdiagnosis, a change prevalence modified risk factors. period from 1989 to 2012, 115 137 annual increase 5 6 respectively. Multifocality characteristic feature that much more pediatric patients than adults, but number studies children limited, associated with lower disease children. results investigations on multifocality predictors its role influencing relapse, persistence, survival are conflicting adults Among factors multifocality, smaller controversies concerns links metastasis lymphatic nodes, radiation anamnesis, childhood age, bilaterality primary lobe presence contralateral benign nodes adults). Other as have controversial significance deserve attention further research. identification reliable especially help preoperative data analysis, well stratification will facilitate complex decision‑making process correct treatment tactics cancer.