RESUMO
The aim of this study is to analyze and identify the main predictors that may indicate multifocal growth of PTC. Materials and methods: The main and control groups included patients with the category of malignant multifocal process T1-3mN0Mx (n=109) and unifocal T1-T3N0Mx (n=50) respectively, who underwent thyroidectomy with lymphadenectomy.Ultrasound characteristics of the nodes, tissue changes of the thyroid gland were taken into account. Results: Fibrous changes can be considered as one of the risk factors of the presence of additional PTC lesion. Discussion: There is no unambiguity in the definition of predictors of multifocal PTC growth. Conclusions: No clear predictors of multifocal PTC have been identified. It is advisable to improve the quality of ultrasound, to focus on single-focus PTC in patients with fibrinous changes in the thyroid gland at normal levels of TSH.