The parental origin of the missing short arm of the X chromosome has an impact on overweight, kidney, eye, and lipids, which suggests a potential effect of an as-yet-undetermined X chromosome gene imprinting.

These recommendations are created by the group of delegates of the National Societies, which declare their willingness to participate in the preparation of the revised version of the Polish Guidelines. The members of the Working Group have been chosen from the specialists involved in medical care of patients with thyroid carcinoma. Directly before the preparation of the Polish national recommendations the American Thyroid Association (ATA) published its own guidelines together with a wide comment fulfilling evidence-based medicine (EBM) criteria. ATA Guidelines are consistent with National Comprehensive Cancer Network (NCCN) Recommendation. According to the members of the Working Group, it is necessary to adapt them to both the specific Polish epidemiological situation as well as to the rules referring to the Polish health system. Therefore, the Polish recommendations constitute a consensus of the experts' group, based on ATA information. The experts analysed previous Polish Guidelines, published in 2010, and other available Diagnostics and Treatment of Thyroid Carcinoma Barbara Jarząb et al.

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The prevalence of MS is high among European obese children whatever criteria are used. There is an urgent need to achieve consensus concerning the definition of MS in adolescents and children.

Objective: Clinical studies suggest that the thyroid autoantibodies and/or hypothyroidism are not present in Turner’s syndrome (TS) patients before the age of 8 years and are more frequent in patients with the X isochromosome. The aim of the study was to analyze the dynamics of thyroid dysfunction in girls with TS. Design: 86 TS patients with a median age of 10.6 years were followed for 4.6 ± 3.0 years. Outcomes: The prevalence of thyroid abnormalities increased from 25.5 to 50% during the follow-up. Finally, 31 (36%) patients had positive thyroid autoantibodies and 27 (31.4%) had subclinical hypothyroidism. Hashimoto’s thyroiditis was diagnosed in 15 patients. Median age of developing thyroid antibodies and subclinical hypothyroidism was 14.1 and 14.8 years, respectively. The youngest hypothyroid patient was 1.8 years old and the youngest girl with positive anti-thyroid antibodies was 5.5 years old. Autoantibodies appeared mainly after the age of 13. The risk of developing subclinical hypothyroidism was greatest between 12 and 14 years of age. The prevalence of thyroid abnormalities was not related to the karyotype. Conclusions: Thyroid autoimmunity and dysfunctions in TS may start early, their prevalence increases with age, independently of karyotype and without any clinical symptoms and signs.