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BEREKET, ABDULLAH

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BEREKET

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2008 - 200912010 - 20151
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Author: AYDINER, ELİF × Subject: CHILDREN ×

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    PublicationOpen Access
    Normative Data of Thyroid Volume-Ultrasonographic Evaluation of 422 Subjects Aged 0-55 Years
    (GALENOS YAYINCILIK, 2015-06-05) BEREKET, ABDULLAH; Aydiner, Omer; Aydiner, Elif Karakoc; Akpinar, Ihsan; Turan, Serap; Bereket, Abdullah
    Objective: To establish local normative data of thyroid volume assessed by ultrasonography in subjects aged 0-55 years living in Istanbul, Turkey. Methods: Subjects without any known history of thyroid disease, of major surgery and/or chronic disease were enrolled in the study and evaluated by physical examination and thyroid ultrasonography. Thyroid gland and isthmus at usual location, each lateral lobe volume with three dimensions, ectopic thyroid tissue and echogenicity of the gland were assessed. Results: Initially, 494 subjects were enrolled in the study. Subjects showing heterogeneous thyroid parenchyma (n=21) and/or nodule (n=51) in ultrasonography were excluded. Final analysis covered 422 subjects (216 males, 206 females). Thyroid volume was found to significantly correlate with height, weight, age and body surface area (r=0.661, r=0.712, r=0.772 and r=0.779, respectively; p<0.0001 for all). These correlations were even stronger in subjects younger than 18 years (r=0.758, r=0.800, r=0.815 and r=0.802, respectively; p<0.0001 for all). Conclusion: The study provides updated reference norms for thyroid volume in Turkish subjects which can be used in the diagnosis and follow-up of patients with thyroid diseases.
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    Screening of Parents and Siblings of Patients with Thyroid Dysgenesis by Thyroid Function Tests and Ultrasound
    (KARGER, 2008) BEREKET, ABDULLAH; Karakoc, Elif; Turan, Serap; Akpinar, Ihsan; Isguven, Pinar; Adal, Erdal; Haklar, Goncaguel; Dede, Fuat; Bereket, Abdullah
    Aims: To investigate the frequency of thyroid dysgenesis (TD) in first-degree relatives of TD cases. Methods: 244 first-degree relatives of 82 TD cases were screened by thyroid ultrasound (USG), T-4, fT(4) and TSH. USG was also performed in 220 unrelated, age- and sex-matched healthy controls to obtain normative data for thyroid volumes. Results: Specific diagnoses of indexes were 35 ectopia, 22 athyreosis, 14 severe hypoplasia, 8 hypoplasia, and 3 hemiagenesis/asymmetric hypoplasia. In 5 of 77 families (6.5%), there were 2 cases with known symptomatic TD. A total of 10 cases made familial symptomatic TD ratio 12% (10/82) in our cohort. Screening of 244 asymptomatic family members did not reveal new cases with overt hypothyroidism. However, low thyroid volume in 15 and slightly elevated TSH in 6 family members and both in 1 family member were detected (7.4% for low thyroid volume, 3.2% for high TSH). Thus, the ratio of affected (symptomatic and asymptomatic) family members among families of TD cases was found to be 8.7%. Conclusions: 12% of TD cases are familial in our cohort. Screening of asymptomatic family members of TD revealed an additional 7.4% mild hypoplasia and 3.2% hyperthyrotropinemia without overt hypothyroidism which points out the importance of genetic factors in pathogenesis. Copyright (C) 2008 S. Karger AG, Basel