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Aim: In this study, it was aimed to evaluate the clinical, antropometric and laboratory findings of female patients diagnosed with central precocious puberty and to determine the laboratory value with the best diagnostic accuracy in the diagnosis of central precocious puberty. Material and Methods: Female patients whose breast development began before the age of 8 years were included in the study. The data of the patients were obtained by retrospectively examining file records. The chronogical age, age at the time of onset of the complaint, antropometric variables, bone age and hormonal tests were recorded. The patients whose bone age/chronological age ratio was >1 and in whom pubertal response was obtained to gonodotropin releasing hormone stimulation test were considered central precocious puberty and the patients who did not meet these criteria were considered premature thelarche. Receiver operating charecteristic curve (ROC) analysis was performed to determine the diagnostic accuracy of the laboratory variables. Results: Fifty one patients with idiopathic central precocious puberty and 36 patients with premature thelarche were included in the study. In the patients with central precocious puberty, the height standard deviation score, bone age and bone age/chronological age ratio were found to be significantly higher compared to the patients with premature thelarche. The basal luteinizing hormone, basal follicle stimulating hormone, basal luteinizing hormone/follicle stimulating hormone, peak luteinizing hormone, peak follicle stimulating hormone and peak luteinizing hormone/follicle stimulating hormone values were found to be significantly higher in the patients with central precocious puberty. When the cut-off value for the peak luteinizing hormone/follicle stimulating hormone ratio was taken as >0.24, the sensitivity was found to be 100% and specificity was found to be 84%. When the cut-off value for the basal follicle stimulating hormone was taken as >1.9 IU/L, the sensitivity was found to be 71% and specificity was found to be 68%. When the cut-off value for the basal luteinizing hormone was taken as >0.1 IU/L, the sensitivity was found to be 71% and specificity was found to be 64%. Conclusions : In female children, a peak luteinizing hormone/follicle stimulating hormone ratio of >0.24 can be used in the diagnosis of central precocious puberty. However, the findings should be assessed in association with the clinical and antropometric variables. [ABSTRACT FROM AUTHOR]

Aim: The aim of this study was to evaluate clinical and laboratory findings and determine the prevalence of celiac disease (CD) in children with Hashimoto thyroiditis (HT)., Material and Methods: The data of a total of 80 patients with positive anti-thyroid antibodies who were aged between 6 and 17.9 years were retrospectively studied. Age, gender, complaints at the time of presentation, family history of thyroid disorders, clinical and laboratory findings were recorded. The levels of thyrotropin, free thyroxin, thyroid autoantibodies (thyroid peroxidase and thyroglobulin antibodies), immunoglobulin A (IgA), anti-tissue transglutaminase antibodies (IgA-tTG), and thyroid ultrasonography findings were enrolled., Results: Eighty patients (65 females (81.2%) and 15 males (18,8%)) were included in the study. Family history of thyroid disease was present in 38 (47.5%) patients. The most common complaints at the time of presentation were goiter (%30) and weight gain (%25). Forty three (53.8%), 23 (28.7%), and 14 (17.5%) patients presented with euthyroidism, subclinical hypothyroidism and obvious hypothyroidism. Thirty seven (46.2%) patients had goiter. IgA-tTG was found to be positive after a diagnosis of HT was made in only one patient (1.25%) and the diagnosis of CD was confirmed when intestinal biopsy of this patient revealed villus atrophy, crypt hyperplasia and increase in the intraepithelial lymphocyte count., Conclusions: In our study, it was found that the most common complaints at presentation in patients with a diagnosis of hashimoto thyroiditis included goiter, weakness and weight gain and the prevalence of celiac diseases was found to be 1.25% (1/80). This study shows that the prevalence of CD in patients with a diagnosis of HT is higher compared to the prevalence in the healthy pediatric population.